TOP DEALS FOR MOM

Save on activity trackers, laptops, headphones and more.

Shop the deals ›


Ends Saturday.

Current Offers
  • (50)
  • (218)
  • (36)
  • (2)
Brand
  • (55)
  • (24)
  • (17)
  • (15)
  • (11)
  • (9)
  • (8)
  • (7)
  • (7)
  • (6)
  • (6)
  • (6)
  • (6)
  • (5)
  • (5)
  • (5)
  • (5)
  • (5)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (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)
  • (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)
  • (1)
Price
  • (78)
  • (73)
  • (58)
  • (32)
  • (19)
  • (41)
  • (6)
  • (4)
  • (5)
  • (2)
  • (4)
  • (1)
  • (1)
Customer Reviews
  • (22)
  • (26)
  • (80)
  • (95)
  • (95)
  • (97)
Mount Type
  • (6)
Speaker Design
  • (5)
  • (2)
  • (3)
Number of Speakers
  • (13)
  • (2)
  • (1)
Subwoofer Size
  • (1)
  • (1)
  • (1)
  • (12)
  • (13)
  • (5)
  • (2)
  • (1)
Features
  • (38)
  • (29)
  • (16)
  • (9)
  • (9)
  • (8)
  • (7)
  • (4)
  • (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)
  • (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)
Color
  • (103)
  • (33)
  • (11)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
RMS Power
  • (1)
  • (6)
  • (12)
  • (2)
Wattage
  • (11)
  • (19)
  • (9)
  • (5)
Collection
  • (19)
  • (2)
Condition
  • (324)
  • (5)

Computer Cards & Components Resources


Computer Cards & Components Questions

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

Sort by:
Items per page:
  • Model: PROSUB800BLA
  • SKU: 7656422
300W RMS power; 8" driver; 20-150Hz frequency response
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.

$399.98
Open-Box from: $359.99
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

83%
(55 Reviews)
12%
(8 Reviews)
1%
(1 Review)
1%
(1 Review)
3%
(2 Reviews)
Value for Price:
4.4
Sound Quality:
4.7
Appearance:
4.5
Power:
4.7
  • Model: CX850M
  • SKU: 5043083
Designed for basic system builds and desktop PC upgrades; ATX 12V compliant; 80 PLUS Bronze certified; semi-modular cable management; over- and under-voltage, over-power and short-circuit protection
  5.0  (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.

$119.99
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%
(3 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
  • Model: CP-9020061-NA
  • SKU: 8324202
ATX 12V/EPS 12V compliant; large-diameter, thermally controlled fan; flexible modular cabling system; over- and under-voltage, over-power and short-circuit protection
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.

$84.99
On Sale
Save $15 (Reg. $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

78%
(201 Reviews)
18%
(46 Reviews)
1%
(2 Reviews)
1%
(2 Reviews)
2%
(4 Reviews)
Value for Price:
4.5
Compatibility:
4.8
Features:
4.8
Ease of Installation:
4.6
  • Model: SP-850M
  • SKU: 5438543
Supports most multiple-core high-end graphics cards and CPUs; ATX 12V compliant; +12V rail; modular cable management; 140mm cooling fan
$122.99
Clearance
Save $7 (Reg. $129.99)
Original Price:

The price at which Best Buy first offered this product for sale on 06/24/2012.

Intermediate markdowns may have taken place since that date.

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%
(65 Reviews)
19%
(17 Reviews)
2%
(2 Reviews)
1%
(1 Review)
3%
(3 Reviews)
Value for Price:
4.3
Compatibility:
4.6
Features:
4.6
Ease of Installation:
4.7
  • Model: CMPSU850HX
  • SKU: 9506876
Supports ATX 12V 2.3 and EPS 12V 2.91 standards; backwards compatible with ATX 12V 2.01; active power factor correction; component protection
  5.0  (6 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.

$150.99
On Sale
Save $19 (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

Rating Breakdown

100%
(6 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
4.8
Compatibility:
5
Features:
5
Ease of Installation:
5
  • Model: CMPSU750HX
  • SKU: 9506778
Supports ATX 12V 2.3 and EPS 12V 2.91 standards; backwards compatible with ATX 12V 2.01; active power factor correction; component protection
  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.

$149.99
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: CP-9020036-NA
  • SKU: 7353328
Desktop PC power supply; ATX 12V 2.31, 2.2 and 2.01 compliant; EPS 2.92 compliant; DSP (Digital Signal Processor) control; Corsair Link integration; ultraquiet, 140mm dual-ball-bearing fan
  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.

$184.99
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:
4.5
Compatibility:
5
Features:
5
Ease of Installation:
5
  • Model: PROMON800
  • SKU: 7656379
150W peak power handling; 4-1/2" midrange, 4-1/2" planar low-frequency woofer and 1" pure aluminum dome tweeter cones; wall-mountable (with optional mounting kit, not 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.

$144.99
Open-Box from: $129.99
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%
(69 Reviews)
18%
(15 Reviews)
1%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
4.6
Sound Quality:
4.7
Appearance:
4.8
Power:
4.7
  • Model: SW6.5
  • SKU: 5856705
800W dynamic amplifier power (200W RMS); 6-1/2" long-throw, front-firing subwoofer driver; digital power amplifier; two 6-1/2" anodized aluminum cone passive radiators
  5.0  (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.

$499.99
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%
(3 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
5
Sound Quality:
5
Appearance:
5
Power:
4.5
  • Model: VP450
  • SKU: 4070566
Delivers 450 watts of continuous power; ATX12V 2.3 compliant; 120mm fan; dual +12V rails; heavy-duty protection circuitry
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.

$39.99
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%
(6 Reviews)
50%
(6 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
4.4
Compatibility:
4.8
Features:
4.6
Ease of Installation:
4.6
  • 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%
(136 Reviews)
33%
(75 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: CP-9020044-NA
  • SKU: 7353415
Desktop PC power supply; ATX 12V 2.31, 2.2 and 2.01 compliant; EPS 2.92 compliant; ultraquiet, dual-ball-bearing 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.

$180.99
On Sale
Save $19 (Reg. $199.99)
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:
1
Compatibility:
5
Features:
5
Ease of Installation:
5
  • Model: APLB-12
  • SKU: 1305850970
40 Hz to 4 kHz - 8 Ohm - 98 dB Sensitivity
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

$97.79
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

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. $32.99)
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: CP-9020054-NA
  • SKU: 2878007
CORSAIR RM Series 650W Power Supply: ATX 12V v2.4 and EPS 2.92 compliant; Zero RPM fan mode
  3.7  (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.

$107.99
On Sale
Save $12 (Reg. $119.99)
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)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
33%
(1 Review)
Value for Price:
3
Compatibility:
4
Features:
4.5
Ease of Installation:
4.5
Select 2 to 4 items to Compare