4TH OF JULY 4 DAY SALE

Save on HDTVs, laptops, tablets and more.

Shop the sale ›

Ends Monday.

Current Offers
  • (3)
  • (12)
Brand
  • (5)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
Price
to
  • (7)
  • (4)
  • (1)
Features
  • (3)
Color
  • (7)
  • (1)
Customer Reviews
  • (1)
  • (6)
  • (5)
  • (5)
  • (3)
Length of Cable
  • (1)
Wattage
  • (4)
  • (3)
  • (1)
Condition
  • (12)

Computer Cards & Components Resources


Computer Cards & Components Questions

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

Sort by:
  • Model: PSYBIOCON069
  • SKU: 1305503173
PCI Express 2.0 x1 - Plug-in Card - 3 USB Port(s) - 3 USB 3.0 Port(s)
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

$27.28
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

  • Model: USB3SMBADAP6
  • SKU: 1306420370
USB for Card Reader, Hard Drive, Motherboard - 6" - 1 Pack - 2 x Type A Female USB - 1 x IDC Female USB Header - Nickel-plated Connectors - Black
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

$16.20
On Sale
Save $2.79 (Reg. $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

  • Model: PEX1S1P952
  • SKU: 1309422555
1 x 25-pin DB-25 Female IEEE 1284 Parallel
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

$45.99
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

  • Model: SP-650P
  • SKU: 8733872
Supports Intel® ATX 12V v2.3 and EPS 12V standards; 120mm cooling fan; high-current and single +12V rail; 80 PLUS Bronze certified; active PFC (power factor correction) with universal AC input
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.

$69.99
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

77%
(47 Reviews)
21%
(13 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
2%
(1 Review)
Value for Price:
4
Compatibility:
5
Features:
5
Ease of Installation:
3
  • Model: PCI2S2PMC
  • SKU: 1308970729
2 x 9-pin DB-9 Male RS-232 Serial, 2 x 25-pin DB-25 Female IEEE 1284 Parallel PCI-X - 1 Pack
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

$37.54
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

  • Model: DX-400WPS
  • SKU: 8311052
Compatible with Intel® and AMD multicore processors; ATX 12V v2.2 compliance
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

59%
(137 Reviews)
33%
(76 Reviews)
4%
(9 Reviews)
1%
(2 Reviews)
3%
(8 Reviews)
Value for Price:
4.4
Compatibility:
4.6
Features:
4.3
Ease of Installation:
4.6
  • Model: 900489
  • SKU: 5416092
Designed to power PCs; ATX 12V compliant; fully modular design; advanced circuit protection; four 6-pin EMI-filtered PCI Express graphics card power leads; 120mm cooling fan
  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.

$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

Rating Breakdown

0%
(0 Reviews)
100%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
5
Compatibility:
5
Features:
5
Ease of Installation:
5
  • 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
  3.3  (3 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

34%
(1 Review)
33%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
33%
(1 Review)
Value for Price:
3.3
Compatibility:
3.7
Features:
4.3
Ease of Installation:
4
  • Model: 900347
  • SKU: 4665556
Designed to power PCs; ATX 12V compliant; over-current, over-voltage and short-circuit protection; one 6-pin and one 6+2-pin PCI Express connector; 135mm cooling fan
  1.0  (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.

$54.99
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)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
100%
(1 Review)
Value for Price:
1
Compatibility:
1
Features:
1
Ease of Installation:
2
  • Model: NP-1BM-0550A
  • SKU: 1935018
Compatible with 4th Gen Intel® Core™ processors; ATX 12V compliant; 135mm fan; IFCT (intelligent fan control technology)
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.

$71.99
On Sale
Save $8 (Reg. $79.99)
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

  • Model: 900490
  • SKU: 5416108
Designed to power PCs; ATX 12V compliant; fully modular design; advanced circuit protection; four 6-pin EMI-filtered PCI Express graphics card power leads; 120mm cooling fan
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

  • 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
  3.3  (3 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

$41.62
On Sale
Save $18.37 (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

34%
(1 Review)
33%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
33%
(1 Review)
Value for Price:
3.3
Compatibility:
3.7
Features:
4.3
Ease of Installation:
4
Select 2 to 4 items to Compare