4TH OF JULY DEALS

Save on HDTVs, laptops, cameras and more.

Shop the deals ›

Ends Thursday.

Current Offers
  • (35)
  • (96)
  • (14)
Brand
  • (30)
  • (8)
  • (8)
  • (6)
  • (5)
  • (5)
  • (4)
  • (4)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
Price
  • (33)
  • (20)
  • (12)
  • (10)
  • (5)
  • (9)
  • (4)
  • (3)
  • (1)
Customer Reviews
  • (20)
  • (1)
  • (3)
  • (3)
  • (3)
  • (3)
  • (60)
  • (59)
  • (57)
  • (46)
  • (13)
Rotation Speed
  • (13)
Features
  • (5)
  • (4)
  • (4)
  • (3)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
Class Rating
  • (2)
External Hard Drive Type
  • (13)
  • (1)
Interfaces
  • (13)
  • (7)
Drive Interface
  • (14)
  • (8)
  • (1)
Compatibility
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
Color
  • (34)
  • (26)
  • (7)
  • (4)
  • (4)
  • (4)
  • (4)
  • (2)
  • (1)
  • (1)
Hard Drive Size
  • (1)
  • (1)
  • (6)
  • (7)
Collection
  • (4)
  • (3)
Condition
  • (97)
  • (7)

Computer Cards & Components Resources


Computer Cards & Components Questions

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

Sort by:
Items per page:
  • Model: A23BPZ-3
  • SKU: 2760593
Ideal for use with vehicle keyless entry modules, garage door openers and Bluetooth devices; 12V; 65 mAh
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.

$5.49
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%
(163 Reviews)
14%
(28 Reviews)
4%
(7 Reviews)
0%
(0 Reviews)
1%
(1 Review)
Value for Price:
4.1
Quality:
4.7
Battery Life:
4.5
  • Model: SDSDRX3-032G-A21
  • SKU: 6315018
Compatible with most host devices with an SDHC/SDXC slot; 32GB capacity; up to 45MB/sec. read and write speeds; Advanced Error Correction Code engine
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 $74 (Reg. $97.99)
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

88%
(22 Reviews)
12%
(3 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
5
Capacity:
4.7
Durability:
4.7
  • Model: NAL219R3A
  • SKU: 4728037
Only at Best Buy
Compatible with Apple iPhone 6 and most nonmetal cases; expands antenna system to help improve cell service, faster data speeds and longer battery life; pairs automatically with your device's antenna
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

42%
(58 Reviews)
16%
(22 Reviews)
7%
(9 Reviews)
9%
(12 Reviews)
26%
(36 Reviews)
  • Model: NAM220R3A
  • SKU: 4729027
Only at Best Buy
Compatible with Apple iPhone 6 Plus and most nonmetal cases; expands antenna system to help improve cell service, faster data speeds and longer battery life; pairs automatically with your device's antenna
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

33%
(30 Reviews)
10%
(9 Reviews)
8%
(7 Reviews)
11%
(10 Reviews)
38%
(36 Reviews)
  • Model: HDTC810XK3A1
  • SKU: 2243046
USB 3.0 interface; NTI Backup Now EZ software; data transfer rate of up to 5 Gbps; 8MB buffer
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
On Sale
Save $15 (Reg. $74.99)
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

72%
(141 Reviews)
24%
(46 Reviews)
1%
(2 Reviews)
2%
(3 Reviews)
1%
(1 Review)
  • Model: DX-11A3
  • SKU: 6918211
Compatible with select Apple 30-pin-enabled iPhone® and iPod® models; charge and sync capabilities; low-profile connector; 3' length
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.

$4.99
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

70%
(175 Reviews)
24%
(60 Reviews)
5%
(13 Reviews)
0%
(1 Review)
1%
(2 Reviews)
  • Model: DX-10A3
  • SKU: 6918257
Compatible with select Apple 30-pin-enabled iPhone® and iPod® models; charge and sync capabilities; low-profile connector; 3' length
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.

$4.99
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

70%
(175 Reviews)
24%
(60 Reviews)
5%
(13 Reviews)
0%
(1 Review)
1%
(2 Reviews)
  • Model: DX-12A3
  • SKU: 6918248
Compatible with select Apple 30-pin-enabled iPhone® and iPod® models; charge and sync capabilities; low-profile connector; 3' length
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.

$4.99
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

70%
(175 Reviews)
24%
(60 Reviews)
5%
(13 Reviews)
0%
(1 Review)
1%
(2 Reviews)
  • Model: SDSDRX3-064G-A21
  • SKU: 6315009
Compatible with most host devices with an SDXC slot; 64GB capacity; up to 45MB/sec. read and write speeds; Advanced Error Correction Code engine
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.

$41.99
On Sale
Save $158 (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

81%
(13 Reviews)
19%
(3 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
4.7
Capacity:
4.7
Durability:
4
  • Model: CMZ16GX3M2A1600C10
  • SKU: 5323849
Designed for desktops; 16GB total memory; operates at 1600MHz; heat-spreading design; Intel® XMP (Extreme Memory Profile) support
$113.99
Clearance
Save $6 (Reg. $119.99)
Original Price:

The price at which Best Buy first offered this product for sale on 06/23/2013.

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

81%
(47 Reviews)
17%
(10 Reviews)
2%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
4.5
Ease of Use:
5
Performance:
4.9
Ease of Installation:
4.9
  • Model: HDTC705XS3A1
  • SKU: 8915147
USB 3.0/2.0 interface; Cloud-enabled backup; internal shock sensor; ramp-loading technology; pocket-size design; data transfer rates up to 5 Gbps; 8MB buffer
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.

$55.99
On Sale
Save $14 (Reg. $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

64%
(337 Reviews)
29%
(154 Reviews)
4%
(22 Reviews)
1%
(7 Reviews)
2%
(8 Reviews)
Value for Price:
4.4
Ease of Use:
4.6
Performance:
4.5
Ease of Installation:
4.6
  • Model: DFP20-1342BA3A
  • SKU: 3700211
DIMPLEX Jayden Media Console for Most Flat-Panel TVs Up to 50": Fixed wooden shelves; LED flame technology; thermostat-controlled, fan-forced heater; pass-through sides
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.

$449.99
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: A721-3-RE
  • SKU: 1305022384
Acrylonitrile Butadiene Styrene (ABS), Polyvinyl Chloride (PVC)
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

$200.99
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: A721-3-BK
  • SKU: 1305022377
Acrylonitrile Butadiene Styrene (ABS), Polyvinyl Chloride (PVC)
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

$200.99
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: DDR3A21
  • SKU: 7077032
DROBO USB 3.0 4-Bay DAS Array: USB 3.0 interface; four 3.5" expansion bays; supports up to 4 hard drives or solid state drives; BeyondRAID storage technology; carrierless drive bay design; Kensington security slot
$292.99
On Sale
Save $6.01 (Reg. $299)
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