DISCOVER TOP DEALS

Save on HDTVs, laptops, tablets and more.

Shop now ›


Current Offers
  • (66)
  • (360)
  • (1)
Brand
  • (87)
  • (34)
  • (21)
  • (18)
  • (17)
  • (15)
  • (15)
  • (14)
  • (13)
  • (12)
  • (10)
  • (9)
  • (9)
  • (9)
  • (8)
  • (8)
  • (8)
  • (7)
  • (7)
  • (7)
  • (7)
  • (7)
  • (6)
  • (6)
  • (6)
  • (5)
  • (5)
  • (5)
  • (5)
  • (5)
  • (5)
  • (5)
  • (5)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (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)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
Price
to
  • (147)
  • (72)
  • (65)
  • (40)
  • (41)
  • (76)
  • (13)
  • (12)
  • (4)
  • (8)
  • (6)
  • (10)
  • (6)
  • (45)
Customer Rating
  • (12)
  • (22)
  • (54)
  • (59)
  • (59)
  • (61)
Battery Size
  • (3)
  • (3)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
Amplifier Class
  • (25)
  • (2)
  • (1)
  • (78)
Number of Channels
  • (103)
  • (27)
  • (37)
  • (14)
Features
  • (88)
  • (82)
  • (74)
  • (59)
  • (50)
  • (47)
  • (39)
  • (30)
  • (24)
  • (10)
  • (10)
  • (8)
  • (7)
  • (7)
  • (5)
  • (5)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
Color
  • (142)
  • (90)
  • (19)
  • (18)
  • (3)
  • (3)
Wattage
  • (1)
  • (14)
  • (4)
  • (4)
  • (7)
Collection
  • (5)
Condition
  • (542)
  • (3)

Computer Cards & Components Resources


Computer Cards & Components Questions

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

Sort by:
Items per page:
  • Model: 100-B1-0500-KR
  • SKU: 1017256
Designed to power select computers; 500W continuous power; 80PLUS Bronze certified; high-amperage single-rail design; heavy-duty protections
  5.0  (2 Reviews)
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.

$54.99
On Sale
Save $5 (Reg. $59.99)
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

Rating Breakdown

100%
(2 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
5
Compatibility:
5
Features:
5
Ease of Installation:
5
  • Model: 813-4TF2
  • SKU: 2362122
Alkaline chemistry; reclosable packaging; 4-pack
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.

$5.99
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

Rating Breakdown

52%
(44 Reviews)
36%
(30 Reviews)
11%
(9 Reviews)
1%
(1 Review)
0%
(0 Reviews)
Value for Price:
4.2
Quality:
4.1
Battery Life:
4
  • Model: DYNAMO 500
  • SKU: 9392301
Dual rear-mounted low-turbulence ports; 10" polypropylene cone; high-density cabinet
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.

$499.98
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

Rating Breakdown

81%
(72 Reviews)
9%
(8 Reviews)
6%
(5 Reviews)
2%
(2 Reviews)
2%
(2 Reviews)
Value for Price:
4.4
Sound Quality:
4.7
Appearance:
4.7
Power:
4.6
  • Model: 900346
  • SKU: 4698305
Designed to power PCs; ATX 12V compliant; over-current, over-voltage and short-circuit protection; two 6-pin PCI Express connectors; 120mm cooling fan
  4.5  (2 Reviews)
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

Rating Breakdown

50%
(1 Review)
50%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
4.5
Compatibility:
3.5
Features:
4.5
Ease of Installation:
4
  • Model: 100-B1-0500-KR
  • SKU: 1307711712
Designed to power select computers; 500W continuous power; 80PLUS Bronze certified; high-amperage single-rail design; heavy-duty protections
  5.0  (2 Reviews)
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

$50.20
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

Rating Breakdown

100%
(2 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
5
Compatibility:
5
Features:
5
Ease of Installation:
5
  • Model: Bamf5500/1d
  • SKU: 9027082
D class amp; bridging synchronization; PWM power supply; variable low-pass filter; 4-way protection
  4.5  (4 Reviews)
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.

$299.99
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

Rating Breakdown

50%
(2 Reviews)
50%
(2 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
4.8
Sound Quality:
4.5
Ease of Use:
4.8
Accuracy of Controls:
4.5
  • Model: ERP295
  • SKU: 9186025
From our expanded online assortment; replaces select AT&T, GE, Uniden and V-Tech cordless phone batteries; 2.4V NiMH battery; 750 mAh
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.

$25.99
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

Rating Breakdown

65%
(43 Reviews)
28%
(18 Reviews)
5%
(3 Reviews)
2%
(1 Review)
0%
(0 Reviews)
Value for Price:
3.3
Quality:
4.6
Usefulness:
4.6
Durability:
4.4
  • Model: 900346
  • SKU: 1306354873
Designed to power PCs; ATX 12V compliant; over-current, over-voltage and short-circuit protection; two 6-pin PCI Express connectors; 120mm cooling fan
  4.5  (2 Reviews)
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

$41.08
On Sale
Save $18.91 (Reg. $59.99)
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

Rating Breakdown

50%
(1 Review)
50%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
4.5
Compatibility:
3.5
Features:
4.5
Ease of Installation:
4
  • Model: 100-W1-0500-KR
  • SKU: 1309606733
Internal - 500 W
  5.0  (1 Review)
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

$44.09
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

Rating Breakdown

100%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
  • Model: RZ1-1500D
  • SKU: 8928187
Variable low-pass and subsonic crossover; high-level input; dash-mount remote gain control; compact chassis
  4.5  (2 Reviews)
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.

$91.99
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

Rating Breakdown

50%
(1 Review)
50%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
4.5
Sound Quality:
4.5
Ease of Use:
4.5
Accuracy of Controls:
4.5
  • Model: RZ4-2000D
  • SKU: 8928114
High-pass/low-pass crossover; high-level input; dash-mount remote gain control; compact chassis
  4.0  (1 Review)
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

Rating Breakdown

0%
(0 Reviews)
100%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
  • Model: KSAX3201D
  • SKU: 8818215
800W maximum power output; Class D circuitry; MOSFET power supply
  5.0  (2 Reviews)
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

Rating Breakdown

100%
(2 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
5
Sound Quality:
5
Ease of Use:
5
Accuracy of Controls:
5
  • Model: HD1913-BBY-01
  • SKU: 1306298535
For Gaming Console
  3.0  (4 Reviews)
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

$18.99
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

Rating Breakdown

50%
(2 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
50%
(2 Reviews)
Value for Price:
3.3
Usefulness:
3.3
Durability:
3
Ease of Use:
3.7
  • Model: 850 G2
  • SKU: 5408054
110 V AC, 220 V AC Input Voltage - 3.3 V DC, 5 V DC, 12 V DC, -12 V DC, 5 V DC Output Voltage - 1 Fans - Internal - Modular - ATI CrossFire Supported - NVIDIA SLI Supported
  5.0  (4 Reviews)
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.

$153.99
On Sale
Save $6 (Reg. $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

Rating Breakdown

100%
(4 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
5
Compatibility:
5
Features:
5
Ease of Installation:
5
  • 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

Rating Breakdown

79%
(23 Reviews)
21%
(6 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Select 2 to 4 items to Compare