LABOR DAY 4-DAY SALE

Save on HDTVs, laptops, tablets and more.

Shop the sale ›

Ends Monday.

Current Offers

  • (104)
  • (377)
  • (4)

Brand

  • (111)
  • (86)
  • (82)
  • (29)
  • (19)
  • (15)
  • (12)
  • (11)
  • (11)
  • (10)
  • (7)
  • (6)
  • (5)
  • (5)
  • (5)
  • (5)
  • (4)
  • (4)
  • (4)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)

Price

to
  • (48)
  • (88)
  • (54)
  • (32)
  • (22)
  • (83)
  • (58)
  • (38)
  • (19)
  • (16)
  • (8)
  • (5)
  • (5)
  • (10)

Sold By

  • (355)
  • (131)

Customer Rating

  • (33)
  • (34)
  • (129)
  • (137)
  • (139)
  • (142)

Form Factor

  • (15)
  • (2)
  • (2)

Drive Interface

  • (20)
  • (14)
  • (4)
  • (2)
  • (1)

Rotation Speed

  • (13)
  • (3)

Color

  • (85)
  • (14)
  • (11)
  • (7)
  • (4)
  • (3)
  • (3)
  • (2)
  • (1)

Features

  • (36)
  • (29)
  • (27)
  • (26)
  • (24)
  • (23)
  • (23)
  • (22)
  • (22)
  • (21)
  • (21)
  • (20)
  • (18)
  • (13)
  • (11)
  • (10)
  • (9)
  • (9)
  • (9)
  • (8)
  • (8)
  • (7)
  • (7)
  • (7)
  • (7)
  • (7)
  • (7)
  • (6)
  • (6)
  • (6)
  • (6)
  • (6)
  • (5)
  • (5)
  • (5)
  • (5)
  • (5)
  • (5)
  • (5)
  • (5)
  • (4)
  • (4)
  • (4)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)

Hard Drive Size

  • (1)
  • (9)
  • (10)
  • (9)
  • (3)

Length of Cable

  • (3)
  • (8)

Collection

  • (1)

Condition

  • (479)
  • (7)
  • (12)

Accessories Resources


Accessories Questions

Ask fellow shoppers and Best Buy staff. Share your answers.

486 items
Sort by:
Items per page:
APC - Back-UPS 700VA UPS - Black - Larger Front
  • Model: BN700MC
  • SKU: 8062046
340 joules of protection; 8 outlets; 2 power-saving outlets; 5' power cord
$74.99
On Sale
Save $25 (Reg. $99.99)
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

APC - Power Saving Back-UPS XS 1500 - Black - Larger Front
  • Model: BX1500G
  • SKU: 9307831
1500VA/865W - 5 x NEMA 5-15R - Battery Backup System, 5 x NEMA 5-15R - Surge-protected
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$169.99
On Sale
Save $30 (Reg. $199.99)
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

CyberPower - 450VA Battery Back-Up System - Black - Larger Front
  • Model: SE450G
  • SKU: 3938808
ENERGY STAR Certified
890 joules of protection; 8 surge-protected outlets; phone line protection; standby topology; simulated sine wave output; GreenPower UPS high-efficiency design
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$44.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

CyberPower - 650VA Battery Back-Up System - Black - Larger Front
  • Model: SX650G
  • SKU: 3938826
ENERGY STAR Certified
8 surge-protected outlets; phone line protection; standby topology; simulated sine wave output; GreenPower UPS design
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$64.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

CyberPower - 1500VA Battery Back-Up System - Black - Larger Front
  • Model: LX1500GU
  • SKU: 3938817
ENERGY STAR Certified
890 joules of protection; 10 surge-protected outlets; phone line protection; AVR (Automatic Voltage Regulation); Line Interactive topology; GreenPower UPS Bypass design; multifunction LCD
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$159.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

CyberPower - 850VA Battery Back-Up System - Black - Larger Front
  • Model: LE850G
  • SKU: 3938799
1030 joules of protection; 12 surge-protected outlets; phone line protection; AVR (Automatic Voltage Regulation); Line Interactive and standby topologies; GreenPower UPS Bypass design
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$89.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

CyberPower - 1000VA Battery Back-Up System - Black - Larger Front
  • Model: LE1000DG
  • SKU: 3938835
1030 joules of protection; 12 surge-protected outlets; phone line protection; AVR (Automatic Voltage Regulation); Line Interactive and standby topologies; GreenPower UPS Bypass design; multifunction LCD
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$109.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

APC - Back-UPS 450VA Network 40 UPS - Black - Larger Front
  • Model: BN4001
  • SKU: 7271045
365 joules of protection; 4 battery-backup and surge-protection outlets, 4 surge-only outlets; Ethernet line protection; push button circuit breaker; battery failure notification; audible alarms
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$64.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

APC - Back-UPS 600VA UPS - Black - Larger Front
  • Model: BN600G
  • SKU: 8057123
340 joules of protection; 8 outlets; 5' cord; up to 43 minutes battery run time
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$74.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

APC - Back-UPS 1080VA UPS - Black - Larger Front
  • Model: BN1080G
  • SKU: 8074044
354 joules of protection; 8 outlets; 6' power cord
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

CyberPower - 625VA Battery Back-Up System - Black - Larger Front
  • Model: CP625HG
  • SKU: 9926091
890 joules of protection; 8 surge-protected outlets; cable line protection; 5' power cord
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$64.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

CyberPower - 825VA Battery Back-Up System - Black - Angle
  • Model: CP825AVRG
  • SKU: 9926082
1030 joules of protection; 8 surge-protected outlets; cable line protection; 6' power cord
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$89.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

APC - Back-UPS 125VA Network UPS - White - Larger Front
  • Model: BGE70
  • SKU: 5374005
90 joules of protection; 3 surge-protected outlets with battery backup; designed for low-power devices; status indicator lights; wall-mountable design; 6' cord
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$39.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

APC - Back-UPS XS 1300 VA Tower UPS - Larger Front
  • Model: BX1300G
  • SKU: 9307797
1300VA/780W - 4.2 Minute Full Load - 5 x NEMA 5-15R - Battery Backup System, 5 x NEMA 5-15R - Surge-protected
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$179.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

Seagate - Backup Plus Fast 4TB External USB 3.0 Portable Hard Drive - Black - Larger Front
  • Model: STDA4000100
  • SKU: 5127078
USB 3.0 interface; Seagate Dashboard; Save and Share features; Seagate Mobile Backup app; USB-powered; metal construction; data transfer rates up to 220MB/sec.
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$229.99
On Sale
Save $20 (Reg. $249.99)
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

CyberPower - 425VA SL-Series Battery Back-Up System - Angle
  • Model: SE425G
  • SKU: 6201585
585-joule rating; 8 widely spaced outlets; EMI/RFI filters; LED indicators; audible alarms; resettable circuit breaker
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$44.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

Panamax - Power Management and Battery Backup System - Angle
  • Model: MX5102
  • SKU: 9435417
Compatible with high-definition home theater systems; automatic voltage monitoring; 4 outlet banks; linear AC noise filtration
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$597.99
On Sale
Save $52 (Reg. $649.98)
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

CyberPower - 500VA Battery Back-Up System - Larger Front
  • Model: SX500G
  • SKU: 9761119
890 joules of protection; 8 surge-protected outlets; RJ-11 phone and RG-6 coaxial protection; LED indicators; GreenPower technology
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

Monster - Core Power 650 6-Outlet Surge Protector - White - Larger Front
  • Model: 121887-00
  • SKU: 4270011
1080 joules of protection; 6 surge-protected outlets; 2 USB ports; Fire Proof technology; EMI/RFI filtration; wall-mount design
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$34.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

Monster - Core Power 350 3-Outlet Surge Protector - White - Larger Front
  • Model: 121886-00
  • SKU: 4270039
540 joules of protection; 3 surge-protected outlets; 2 USB ports; Fire Proof technology; EMI/RFI filtration; wall-mount design; rugged case
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$29.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

CyberPower - 1500VA Intelligent LCD Series Battery Back-Up System - Black - Larger Front
  • Model: LX1500G
  • SKU: 8884338
1500 joules of protection; 8 surge-protected outlets; coaxial and RJ-11 phone line/RJ-45 network protection; AVR (Automatic Voltage Regulation); GreenPower UPS ByPass technology; 6' cord
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$159.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

APC - Back-UPS 550VA Battery Back-Up System - Larger Front
  • Model: BE550G
  • SKU: 1304809450
340 joules of protection; 4 battery back-up and surge-protected outlets and 4 surge-protected-only outlets; data line protection; PowerChute software; automatic diagnostic testing
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$67.98
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

CyberPower - 700VA Smart App Series Battery Back-Up System - Black - Larger Front
  • Model: OR700LCDRM1U
  • SKU: 1006435
CYBERPOWER 700VA Smart App Series Battery Back-Up System: 1030 joules of protection; 6 outlets, including 4 battery- and surge-protected outlets; phone/network line protection; front-panel LCD; 10' cord
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$225.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

CyberPower - 500VA Smart App Series Battery Back-Up System - Black - Larger Front
  • Model: OR500LCDRM1U
  • SKU: 1230421
CYBERPOWER Smart App Series 500VA Battery Back-Up System: 1030 joules of protection; 6 surge-protected outlets; RJ-11, RJ-45 and phone line protection; intelligent LCD diagnostic display; AVR (Automatic Voltage Regulation) technology; 1U rack-mountable
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$175.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

APC - 750VA Battery Back-Up System - Black - Larger Front
  • Model: BE750G
  • SKU: 8540322
Up to 70 minutes battery backup; 10 outlets; phone, fax, modem and DSL protection; battery backup protection
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$109.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare