4 DAY SALE

Save on HDTVs, laptops, tablets and more.

Shop the sale ›


Ends Monday.

Current Offers
  • (6)
  • (9)
Brand
  • (6)
  • (2)
  • (1)
  • (1)
Price
  • (9)
  • (1)
Features
  • (1)
Color
  • (4)
  • (2)
  • (1)
Customer Reviews
  • (3)
  • (5)
  • (6)
  • (6)
  • (6)
Condition
  • (10)

Computer Cards & Components Resources


Computer Cards & Components Questions

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

Sort by:
Image coming soon
  • Model: DX-PCCNG50
  • SKU: 1260005
Up to 1000 Mbps data transfer rate; easy setup; 10/100/1000 Mbps auto sensing
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.

$9.99
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: PCI1PECP
  • SKU: 1307740095
Compatible with printers, scanners, Zip drives, memory card readers and CD-R/RW drives; up to 1.5 Mbps data transfer rate; easy installation
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

$29.37
On Sale
Save $8.62 (Reg. $37.99)
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: PEX1P
  • SKU: 1307716052
Fits most PCs with a PCI Express slot; up to 1.5 Mbps data transfer rate
  4.7  (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

$28.50
On Sale
Save $7.49 (Reg. $35.99)
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

67%
(2 Reviews)
33%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
4.7
Compatibility:
5
Features:
4.7
Ease of Installation:
4.3
  • Model: PEX1P
  • SKU: 9658074
Fits most PCs with a PCI Express slot; up to 1.5 Mbps data transfer rate
  4.7  (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.

$23.99
On Sale
Save $5 (Reg. $28.99)
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

67%
(2 Reviews)
33%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
4.7
Compatibility:
5
Features:
4.7
Ease of Installation:
4.3
  • Model: PCIIDE2
  • SKU: 1312125849
2 x 40-pin IDC Male Ultra ATA/133 (ATA-7) Ultra ATA
  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

$34.86
On Sale
Save $12.13 (Reg. $46.99)
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%
(1 Review)
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: 900544
  • SKU: 7370106
Adds 4 USB 3.0 ports to your existing PC; installs into most PCI Express slots; fits most PCI Express slot adapters; supports USB 3.0 data transfer rate; plug-and-play connectivity
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.

$27.99
On Sale
Save $2 (Reg. $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

Rating Breakdown

69%
(11 Reviews)
6%
(1 Review)
0%
(0 Reviews)
6%
(1 Review)
19%
(3 Reviews)
Value for Price:
4.4
Compatibility:
4.4
Features:
4.1
Ease of Installation:
4.8
  • Model: PCIIDE2
  • SKU: 9700623
2 x 40-pin IDC Male Ultra ATA/133 (ATA-7) Ultra ATA
  5.0  (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.

$30.99
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%
(1 Review)
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: PCI1PECP
  • SKU: 9601787
Compatible with printers, scanners, Zip drives, memory card readers and CD-R/RW drives; up to 1.5 Mbps data transfer rate; easy installation
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.

$22.99
On Sale
Save $2 (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

  • Model: 900544
  • SKU: 1306901626
Adds 4 USB 3.0 ports to your existing PC; installs into most PCI Express slots; fits most PCI Express slot adapters; supports USB 3.0 data transfer rate; plug-and-play connectivity
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

$29.44
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

69%
(11 Reviews)
6%
(1 Review)
0%
(0 Reviews)
6%
(1 Review)
19%
(3 Reviews)
Value for Price:
4.4
Compatibility:
4.4
Features:
4.1
Ease of Installation:
4.8
  • Model: SC-SA4011-S2
  • SKU: 1308979937
4 x 7-pin Serial ATA/150 Serial ATA
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

$72.43
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

Select 2 to 4 items to Compare