4TH OF JULY DEALS

Save on HDTVs, laptops, cameras and more.

Shop the deals ›

Ends Thursday.

Shop Category
Current Offers
  • (49)
  • (108)
Brand
  • (56)
  • (27)
  • (23)
  • (21)
  • (12)
  • (6)
  • (4)
  • (4)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
Price
  • (127)
  • (22)
  • (10)
  • (2)
  • (1)
  • (4)
  • (1)
Features
  • (1)
Color
  • (17)
Memory Type
  • (54)
  • (43)
  • (23)
  • (9)
  • (1)
  • (1)
Customer Reviews
  • (1)
  • (2)
  • (3)
  • (3)
  • (3)
  • (3)
  • (8)
  • (8)
  • (8)
  • (8)
  • (4)
Condition
  • (166)
  • (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: D1240-197773-PE
  • SKU: 1307234723
1GB - 667MHz DDR2-667/PC2-5300 - Non-ECC - DDR2 SDRAM - 240-pin
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

$18.51
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

  • Model: INTDB-199241-PE
  • SKU: 1307235010
1GB - 400MHz DDR2-400/PC2-3200 - Non-ECC - DDR2 SDRAM - 240-pin
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

$15.24
On Sale
Save $5.82 (Reg. $21.06)
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: D1240-197780-PE
  • SKU: 1306327266
1GB (1 x 1GB) - 667MHz DDR2-667/PC2-5300 - ECC - DDR2 SDRAM - 240-pin
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

$20.93
On Sale
Save $6.89 (Reg. $27.82)
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: KTH-XW4400C6/1G
  • SKU: 1304812016
1GB (1 x 1GB) - 800MHz DDR2-800/PC2-6400 - DDR2 SDRAM - 240-pin DIMM
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

$15.74
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: AA800D2N5/1G
  • SKU: 1304816410
100% compatible and guaranteed to work
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

$15.66
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: KTH-XW4300/2G
  • SKU: 1304811828
2GB (1 x 2GB) - 667MHz DDR2-667/PC2-5300 - Non-ECC - DDR2 SDRAM - 240-pin
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

$19.79
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

  • Model: CT2KIT25664AA800
  • SKU: 1305173413
4GB (2 x 2GB) - 800MHz DDR2-800/PC2-6400 - Non-ECC - DDR2 SDRAM - 240-pin DIMM
  4.8  (6 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

$62.50
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%
(5 Reviews)
17%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
4.7
Ease of Use:
5
Performance:
4.8
Ease of Installation:
5
  • Model: CT2KIT25664AA667
  • SKU: 1305173390
4GB (2 x 2GB) - 667MHz DDR2-667/PC2-5300 - Non-ECC - DDR2 SDRAM - 240-pin DIMM
  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

$57.38
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)
  • Model: MD1024SD2-667
  • SKU: 1308098522
Designed for desktops; 1GB of memory; 667MHz operating speed; backward compatible with 533HMz
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

$22.99
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%
(44 Reviews)
14%
(8 Reviews)
2%
(1 Review)
0%
(0 Reviews)
9%
(5 Reviews)
Value for Price:
4.7
Ease of Use:
4.6
Performance:
4.4
Ease of Installation:
4.8
  • Model: KVR667D2N5-1GB
  • SKU: 1304811729
1GB (1 x 1GB) - 667MHz DDR2-667/PC2-5300 - Non-ECC - DDR2 SDRAM - 240-pin DIMM
  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

$16.85
On Sale
Save $5.56 (Reg. $22.41)
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:
4
Ease of Use:
5
Performance:
5
Ease of Installation:
5
  • Model: CT12864AA800
  • SKU: 1305173291
1GB - 800MHz DDR2-800/PC2-6400 - Non-ECC - DDR2 SDRAM - 240-pin DIMM
  4.0  (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

$19.67
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

0%
(0 Reviews)
100%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
  • Model: KVR667D2N5/2G
  • SKU: 1305173192
2GB of memory; 667MHz operating speed; backward compatible to 533MHz; 240-pin DIMM
  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

$30.95
On Sale
Save $10.21 (Reg. $41.16)
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:
4.5
Ease of Use:
4.5
Performance:
5
Ease of Installation:
4.5
  • Model: VS2GB800D2
  • SKU: 1305172638
2GB (1 x 2GB) - 800MHz DDR2-800/PC2-6400 - DDR2 SDRAM - 240-pin DIMM
  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

$35.42
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
Ease of Use:
5
Performance:
5
Ease of Installation:
5
  • Model: CT2KIT12864AA800
  • SKU: 1305173352
2GB (2 x 1GB) - 800MHz DDR2-800/PC2-6400 - Non-ECC - DDR2 SDRAM - 240-pin DIMM
  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

$31.97
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: CT25664AA800
  • SKU: 1305173482
2GB - 800MHz DDR2-800/PC2-6400 - Non-ECC - DDR2 SDRAM - 240-pin DIMM
  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

$28.66
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
Ease of Use:
5
Performance:
5
Ease of Installation:
5
Select 2 to 4 items to Compare