DISCOVER TOP DEALS

Save on HDTVs, laptops, tablets and more.

Shop now ›


Current Offers
  • (25)
  • (96)
Brand
  • (35)
  • (17)
  • (13)
  • (7)
  • (6)
  • (6)
  • (4)
  • (4)
  • (4)
  • (3)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
Price
to
  • (11)
  • (11)
  • (9)
  • (4)
  • (7)
  • (28)
  • (11)
  • (9)
  • (8)
  • (8)
  • (10)
  • (3)
  • (1)
  • (8)
Customer Rating
  • (6)
  • (8)
  • (23)
  • (23)
  • (23)
  • (23)
Included Components
  • (2)
  • (1)
  • (1)
Form Factor
  • (7)
  • (2)
  • (2)
  • (2)
  • (2)
Rotation Speed
  • (4)
  • (3)
External Hard Drive Type
  • (5)
  • (2)
Interfaces
  • (7)
  • (2)
  • (2)
  • (2)
Drive Interface
  • (7)
  • (2)
  • (2)
  • (2)
Color
  • (56)
  • (5)
  • (3)
  • (1)
  • (1)
  • (1)
Features
  • (32)
  • (21)
  • (9)
  • (8)
  • (4)
  • (3)
  • (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)
Number of Channels
  • (12)
  • (6)
  • (4)
  • (1)
  • (1)
Hard Drive Size
  • (1)
  • (8)
  • (9)
  • (16)
  • (1)
  • (3)
Collection
  • (3)
Condition
  • (124)
  • (4)
  • (1)

Computer Cards & Components Resources


Computer Cards & Components Questions

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

Sort by:
Items per page:
  • 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

$42.99
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%
(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: MM8077
  • SKU: 8311068
Marantz audio technology; current feedback discrete power amplifier topology; high-current power supply with toroidal power transformer; XLR (balanced) and RCA (unbalanced) inputs
  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.

$2,399.98
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

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
Features:
5
  • 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.

$216.99
On Sale
Save $33 (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

Rating Breakdown

81%
(54 Reviews)
11%
(7 Reviews)
6%
(4 Reviews)
2%
(1 Review)
0%
(0 Reviews)
Value for Price:
4.3
Ease of Use:
4.3
Performance:
5
Ease of Installation:
5
  • Model: STEA1000400
  • SKU: 7028043
USB 3.0 interface; portable design; USB-powered, plug-and-play functionality; drag-and-drop file management; up to 4.8 Gbps data transfer rates via USB 3.0
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

73%
(212 Reviews)
22%
(64 Reviews)
4%
(11 Reviews)
0%
(1 Review)
1%
(4 Reviews)
Value for Price:
4.6
Ease of Use:
4.8
Performance:
4.7
Ease of Installation:
4.8
  • Model: 470510
  • SKU: 4202200
WEBOOST Drive 4G-X Cell Phone Signal Booster: Compatible with most cellular carriers and devices; enhances voice and data signals; supports multiple devices; antennas and power supply included
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.

$479.99
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: STBX500100
  • SKU: 5878364
USB 3.0 interface; USB-powered, plug-and-play design; drag-and-drop file management; up to 4.8 Gbps data transfer rate via USB 3.0
  4.9  (8 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.

$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

87%
(7 Reviews)
13%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
5
Ease of Use:
5
Performance:
5
Ease of Installation:
5
  • Model: 0G02428
  • SKU: 6699399
USB 3.0 interface; USB-powered; data transfer rate up to 5 Gbps
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

Rating Breakdown

86%
(31 Reviews)
11%
(4 Reviews)
3%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
4.5
Ease of Use:
4.8
Performance:
4.7
Ease of Installation:
4.6
  • Model: A3 1550.1D
  • SKU: 1306881294
15 Hz to 250 Hz - MOSFET Power Supply
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

$289.99
On Sale
Save $40 (Reg. $329.99)
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: PRO3600
  • SKU: 1309643585
Bridgeable - 20 Hz to 28 kHz - MOSFET Power Supply - 2 x 27 W @ 4 Ohm - 2 x 550 W @ 2 Ohm
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

$369.99
On Sale
Save $50 (Reg. $419.99)
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: A6 1900.1D
  • SKU: 1306881232
15 Hz to 250 Hz - MOSFET Power Supply
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

$369.99
On Sale
Save $370 (Reg. $739.99)
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: A3 850.1D
  • SKU: 1306881270
15 Hz to 250 Hz - MOSFET Power Supply
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

$199.99
On Sale
Save $30 (Reg. $229.99)
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: A3 1050.1D
  • SKU: 1306881287
15 Hz to 250 Hz - MOSFET Power Supply
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

$249.99
On Sale
Save $30 (Reg. $279.99)
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: A3 85.2
  • SKU: 1306306865
Bridgeable - 15 Hz to 25 kHz - MOSFET Power Supply - 2 x 85 W @ 4 Ohm - 2 x 150 W @ 2 Ohm
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

$149.99
On Sale
Save $20 (Reg. $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

  • Model: PRO4500
  • SKU: 1308755043
Bridgeable - MOSFET Power Supply - 2 x 500 W @ 4 Ohm - 2 x 1 kW @ 2 Ohm
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

$326.24
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: OPTI2601D
  • SKU: 1306606699
90 dB SNR - 0.5% THD - 10 Hz to 250 Hz - MOSFET Power Supply - 1 x 610 W @ 4 Ohm - 1 x 1.07 kW @ 2 Ohm
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. $385.99)
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