LABOR DAY 4-DAY SALE

Save on HDTVs, laptops, tablets and more.

Shop the sale ›

Ends Monday.

Current Offers

  • (4)
  • (26)

Brand

  • (8)
  • (7)
  • (6)
  • (3)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)

Price

to
  • (3)
  • (2)
  • (4)
  • (2)
  • (2)
  • (5)
  • (4)
  • (6)
  • (1)
  • (3)
  • (1)
  • (2)

Sold By

  • (19)
  • (16)

Features

  • (6)
  • (6)
  • (6)
  • (6)
  • (6)
  • (6)
  • (6)
  • (6)
  • (6)
  • (5)
  • (5)
  • (5)
  • (5)
  • (4)
  • (4)
  • (3)
  • (3)
  • (2)

Form Factor

  • (8)
  • (1)

Inputs Outputs

  • (8)
  • (6)

OS Compatibility

  • (6)
  • (6)

Map Coverage Area

  • (5)
  • (5)
  • (5)

Included Components

  • (6)
  • (6)
  • (4)

Color

  • (21)
  • (1)

Customer Rating

  • (4)
  • (6)
  • (15)
  • (15)
  • (15)
  • (17)

Number of Ethernet Ports

  • (8)

Collection

  • (2)

Condition

  • (35)

Computer Cards & Components Resources


Computer Cards & Components Questions

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

35 items
Sort by:
Items per page:
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

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 - 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 - CyberShield DC Power Supply - largeFrontView
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

$122.99
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

Quirky - Contort Power USB and AC Power Supply - White - Larger Front
  • Model: PCON2-WH01
  • SKU: 1310377509
Compatible with most USB- and AC-enabled devices; angled plug; flexible neck; built-in cord management
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

On Sale
(Reg. $24.99)
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

Tripp Lite - 1800VA Battery Back-Up System - largeFrontView
  • Model: HT850UPS
  • SKU: 1305163353
Protects against power surges; 12 total outlets; 400-joule rating; ultracompact and line-interactive
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

$133.99
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

AGPtek - Replacement 85W AC Adapter Power Supply Charger for Apple MacBook Pro 15" - White - White - Larger Front
  • Model: AA2-Vio
  • SKU: 1310276505
85 W Output Power - 110 V AC, 220 V AC Input Voltage - 18.5 V DC Output Voltage - 4.60 A Output Current
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

$27.99
On Sale
Save $12 (Reg. $39.87)
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 PFC Sinewave Series Battery Back-Up System - Larger Front
  • Model: CP1000PFCLCD
  • SKU: 1304804943
CYBERPOWER 1000VA PFC Sinewave Series Battery Back-Up System: 1030 joules of protection; 10 outlets, including 5 battery- and surge-protected outlets; phone/network and cable/coaxial line protection; multifunction LCD panel; 5' cord
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

$139.95
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

Rosewill - Xtreme ATX12V & EPS12V Power Supply - Larger Front
  • Model: RX850-S-B
  • SKU: 1310244740
110 V AC, 220 V AC Input Voltage - Internal - ATI CrossFire Supported - NVIDIA SLI Supported
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

$166.49
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

Furman Sound - F1000-UPS Uninterruptible Power Supply, Voltage Reg/Power Conditioner - Larger Front
  • Model: F1000-UPS
  • SKU: 1311940702
1000 VA/600 W - 120 V AC - 3 Minute - Desktop - 3 Minute - 8
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

$799.00
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

Pioneer - NEX - 7" - Built-In GPS - CD/DVD - Built-In Bluetooth - In-Dash Receiver with Nondetachable Faceplate and Remote - Black - Larger Front
  • Model: AVIC8100NEX
  • SKU: 7047007
Apple® iPhone®-ready; HDMI input; USB input; composite A/V input; auxiliary input; back-up camera input; wired remote input
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

Pioneer - NEX - 6.2" - Built-In GPS - CD/DVD - Built-In Bluetooth - In-Dash Receiver with Partially Detachable Faceplate - Black - Larger Front
  • Model: AVIC5100NEX
  • SKU: 7047098
Apple® iPhone®-ready; 2 rear USB inputs; 2 composite A/V inputs; rear auxiliary input; back-up camera input; wired remote input
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

WD - My Cloud EX4100 24TB 4-Bay External Network Storage (NAS) - Black - Larger Front
  • Model: WDBWZE0240KBK
  • SKU: 4220110
Dual Gigabit Ethernet ports with RJ-45 connectors; 2 USB 3.0 ports; ARM Marvell ARMADA dual-core processor; My Cloud operating system; multiple RAID options
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

Pioneer - NEX - 6.2" - Built-In GPS - CD/DVD - Built-In Bluetooth - In-Dash Receiver with Partially Detachable Faceplate - Black - Larger Front
  • Model: AVIC6100NEX
  • SKU: 7047043
Apple® iPhone®-ready; wireless remote; 2 USB inputs; HDMI, rear auxiliary, back-up camera, wired remote and composite A/V inputs
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

Pioneer - NEX - 7" - Built-In GPS - CD/DVD - Built-In Bluetooth - In-Dash Receiver with Nondetachable Faceplate and Remote - Black - Larger Front
  • Model: AVIC-8100NEX
  • SKU: 1312752601
Apple® iPhone®-ready; HDMI input; USB input; composite A/V input; auxiliary input; back-up camera input; wired remote input
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

$878.36
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

WD - My Cloud EX4100 8TB 4-Bay External Network Storage (NAS) - Black - Larger Front
  • Model: WDBWZE0080KBK
  • SKU: 4220116
Dual Gigabit Ethernet ports with RJ-45 connectors; 2 USB 3.0 ports; ARM Marvell ARMADA dual-core processor; My Cloud operating system; multiple RAID options
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

Pioneer - NEX - 6.2" - Built-In GPS - CD/DVD - Built-In Bluetooth - In-Dash Receiver with Partially Detachable Faceplate - Black - Larger Front
  • Model: AVIC5100NEX
  • SKU: 1312752595
Apple® iPhone®-ready; 2 rear USB inputs; 2 composite A/V inputs; rear auxiliary input; back-up camera input; wired remote input
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

$536.36
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

WD - My Cloud EX4100 24TB 4-Bay External Network Storage (NAS) - Black - Larger Front
  • Model: WDBWZE0240KBK
  • SKU: 1312753615
Dual Gigabit Ethernet ports with RJ-45 connectors; 2 USB 3.0 ports; ARM Marvell ARMADA dual-core processor; My Cloud operating system; multiple RAID options
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

$1,637.99
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

VideoSecu - 4 Channel Stand Alone Real Time Digital Video Recorder Security DVR with 2TB Hard Drive 1YT - Larger Front
  • Model: DVP524D
  • SKU: 1305290158
Save when you buy this bundle. Package includes 4 Channel Stand Alone Real Time Digital Video Recorder, 2TB Hard Drive, Power Supply, Remote Controller; USB Mouse and User Manual and Software CD
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

$314.90
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

Atlona - HDBaseT 16 x 16 HDMI Matrix Switcher - Larger Front
  • Model: AT-PRO2HD1616M
  • SKU: 4775255
From our expanded online assortment; compatible with most HDMI- and DVI-enabled devices and most 3rd-party controllers and IR remotes; supports Dolby and DTS formats; 8 programmable memory presets
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.

$17,999.99
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

WD - My Cloud EX4100 4-Bay External Network Storage (NAS) - Black - Larger Front
  • Model: WDBWZE0000NBK
  • SKU: 4220111
Dual Gigabit Ethernet ports with RJ-45 connectors; 2 USB 3.0 ports; Marvell ARMADA 388 dual-core processor; My Cloud operating system; multiple RAID options
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

WD - My Cloud EX4100 16TB 4-Bay External Network Storage (NAS) - Black - Larger Front
  • Model: WDBWZE0160KBK
  • SKU: 4220114
Dual Gigabit Ethernet ports with RJ-45 connectors; 2 USB 3.0 ports; ARM Marvell ARMADA dual-core processor; My Cloud operating system; multiple RAID options
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