4TH OF JULY DEALS

Save on HDTVs, laptops, cameras and more.

Shop the deals ›

Ends Thursday.

Current Offers
  • (85)
  • (421)
Brand
  • (48)
  • (32)
  • (25)
  • (24)
  • (23)
  • (21)
  • (20)
  • (20)
  • (16)
  • (14)
  • (11)
  • (11)
  • (10)
  • (10)
  • (9)
  • (9)
  • (8)
  • (8)
  • (7)
  • (7)
  • (7)
  • (6)
  • (6)
  • (6)
  • (5)
  • (5)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (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)
  • (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
  • (84)
  • (112)
  • (42)
  • (42)
  • (28)
  • (82)
  • (36)
  • (20)
  • (5)
  • (10)
  • (14)
  • (10)
  • (10)
  • (46)
Customer Reviews
  • (11)
  • (5)
  • (10)
  • (10)
  • (10)
  • (10)
  • (54)
  • (51)
  • (51)
  • (50)
  • (23)
Voltage
  • (3)
  • (1)
  • (1)
  • (1)
Included Components
  • (1)
  • (1)
Compatibility
  • (2)
  • (1)
Features
  • (101)
  • (92)
  • (90)
  • (54)
  • (45)
  • (43)
  • (40)
  • (18)
  • (17)
  • (13)
  • (13)
  • (10)
  • (9)
  • (6)
  • (6)
  • (6)
  • (5)
  • (5)
  • (5)
  • (5)
  • (5)
  • (4)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (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)
Color
  • (138)
  • (89)
  • (25)
  • (12)
  • (10)
  • (2)
  • (1)
  • (1)
  • (1)
Wattage
  • (14)
  • (12)
  • (3)
  • (2)
Collection
  • (14)
  • (2)
Condition
  • (536)
  • (5)
  • (2)

Computer Cards & Components Resources


Computer Cards & Components Questions

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

Sort by:
Items per page:
  • Model: RC2-00001
  • SKU: 6723127
Designed exclusively for Surface Pro 3; includes a USB port for charging additional devices
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.

$56.99
On Sale
Save $23 (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

Rating Breakdown

75%
(113 Reviews)
18%
(27 Reviews)
5%
(7 Reviews)
1%
(1 Review)
1%
(1 Review)
  • Model: MC4X110
  • SKU: 5062419
From our expanded online assortment; compatible with most instruments and mixers with a 1/4" connector; 18-bit analog-to-digital and digital-to-analog processing; 200 programs; up to 3 simultaneous effects
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

  • 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

78%
(46 Reviews)
20%
(12 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
2%
(1 Review)
Value for Price:
4
Compatibility:
5
Features:
5
Ease of Installation:
3
  • Model: 100-W1-0600-K1
  • SKU: 8511029
ATX 12V and EPS 12V compliant; ultraquiet, intelligent auto fan; OVP (over-voltage protection); UVP (under-voltage protection); OCP (over-current protection); OPP (over-power protection)
  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.

$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%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
  • 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: 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: CAPT01-B1
  • SKU: 5396167
From our expanded online assortment; compatible with most Sanus EcoSystem accessories; three 5V USB ports; 12V lights-only connections; 12V always-on connections; light on/off switches
  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.

$169.99
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)
  • Model: CX750
  • SKU: 1305830385
110 V AC, 220 V AC Input Voltage - Internal - ATI CrossFire Supported - NVIDIA SLI Supported - 85% Efficiency - 750 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

$91.61
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: V-400
  • SKU: 1307797594
400W
  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

$19.99
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:
4.5
Ease of Installation:
5
  • 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

$49.51
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: 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: RS400-PSARJ3-US
  • SKU: 1305174403
ATX 12V compliant; over-voltage, over-current, over-power and short circuit protection; dual +12V rails
  4.5  (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

$31.64
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

75%
(3 Reviews)
0%
(0 Reviews)
25%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
4.3
Compatibility:
4.7
Features:
4.3
Ease of Installation:
4.3
  • Model: 3Q9-00001
  • SKU: 7524004
Compatible with Microsoft Surface Pro 3; 48W power supply; mini DisplayPort video output; Gigabit Ethernet port; 3 USB 3.0 ports and 2 USB 2.0 ports; 3.5mm audio input/output jack; security lock slot
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

74%
(198 Reviews)
22%
(59 Reviews)
3%
(8 Reviews)
0%
(1 Review)
1%
(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

$49.99
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

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.

$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

Select 2 to 4 items to Compare