SAMSUNG 4 DAY SALE

Save on select cell phones, tablets, accessories and more.

Shop now ›

Ends Saturday.

Current Offers
  • (1,199)
  • (854)
  • (531)
  • (23)
Brand
  • (608)
  • (458)
  • (263)
  • (232)
  • (220)
  • (91)
  • (45)
  • (35)
  • (26)
  • (17)
  • (17)
  • (15)
  • (14)
  • (12)
  • (10)
  • (9)
  • (9)
  • (8)
  • (8)
  • (7)
  • (5)
  • (5)
  • (5)
  • (5)
  • (4)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (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)
Price
  • (957)
  • (282)
  • (278)
  • (267)
  • (181)
  • (137)
  • (46)
  • (10)
  • (5)
  • (4)
  • (3)
  • (3)
  • (5)
  • (4)
Customer Reviews
  • (6)
  • (28)
  • (61)
  • (78)
  • (84)
  • (94)
Memory Type
  • (688)
  • (318)
  • (206)
  • (131)
  • (25)
  • (4)
  • (3)
  • (2)
  • (1)
  • (1)
  • (1)
Color
  • (149)
  • (99)
  • (67)
  • (55)
  • (6)
  • (2)
  • (1)
  • (1)
  • (1)
Condition
  • (1,651)
  • (531)

Computer Cards & Components Resources


Computer Cards & Components Questions

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

Sort by:
Items per page:
  • Model: MD2048SD28
  • SKU: 8990283
From our expanded online assortment;

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.

$27.99
On Sale
Save $12 (Reg. $39.99)
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

Rating Breakdown

75%
(157 Reviews)
19%
(39 Reviews)
4%
(8 Reviews)
0%
(1 Review)
2%
(5 Reviews)
Value for Price:
4.3
Ease of Use:
4.8
Performance:
4.6
Ease of Installation:
4.8
  • Model: MN2048SD28
  • SKU: 1201174
Designed for laptops; 2GB of DDR2 SoDIMM memory; operates at 800MHz

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.

$30.99
On Sale
Save $10.50 (Reg. $41.49)
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

Rating Breakdown

69%
(98 Reviews)
24%
(34 Reviews)
4%
(5 Reviews)
1%
(1 Review)
2%
(3 Reviews)
Value for Price:
4.3
Ease of Use:
4.7
Performance:
4.5
Ease of Installation:
4.6
  • Model: 900468
  • SKU: 5390109
Designed for laptops; 2GB of DDR2 memory to improve performance; 800MHz operating speed
  5.0  (1 Review)

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.

$31.99
On Sale
Save $8 (Reg. $39.99)
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

Rating Breakdown

100%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
  • Model: MD4096KD28
  • SKU: 8990167
4GB (2 x 2GB) memory to improve performance; PC2-6400/800MHz operating speed; 240-pin DDR2 dual channel memory modules

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.

$52.99
On Sale
Save $7 (Reg. $59.99)
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

Rating Breakdown

54%
(7 Reviews)
38%
(5 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
8%
(1 Review)
Value for Price:
4.4
Ease of Use:
4.9
Performance:
5
Ease of Installation:
4.8
  • Model: KTA-MB800K
  • SKU: 3508627
4GB (2 x 2GB) - 800MHz DDR2-800/PC2-6400 - DDR2 SDRAM - 200-pin SoDIMM
  4.7  (3 Reviews)

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 $26 (Reg. $80.99)
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

Rating Breakdown

67%
(2 Reviews)
33%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
4
Ease of Use:
5
Performance:
5
Ease of Installation:
5
  • Model: KTA-MB800/
  • SKU: 9791599
2GB (1 x 2GB) - 800MHz DDR2-800/PC2-6400 - DDR2 SDRAM - 200-pin SoDIMM
  4.0  (1 Review)

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
On Sale
Save $8 (Reg. $42.99)
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

Rating Breakdown

0%
(0 Reviews)
100%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
3
Ease of Use:
3
Performance:
3
Ease of Installation:
5
  • Model: KTA-MB667/
  • SKU: 2201038
2GB (1 x 2GB) - 667MHz DDR2 SDRAM - 200-pin
  5.0  (1 Review)

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
On Sale
Save $8 (Reg. $42.99)
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue 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:
4
Ease of Installation:
5
  • Model: 900434
  • SKU: 5390118
Designed for desktops; 2GB of DDR2 memory to improve performance; 800MHz operating speed

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.

$37.99
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

  • Model: MN4096KD26
  • SKU: 8725427
From our expanded online assortment;Compatible with PC2-3200 and PC2-4200 memory slots; operates at up to 667MHz

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 continue with the first four items you've selected?

No Thanks | Yes, continue to compare

Rating Breakdown

75%
(9 Reviews)
8%
(1 Review)
0%
(0 Reviews)
17%
(2 Reviews)
0%
(0 Reviews)
Value for Price:
4.6
Ease of Use:
5
Performance:
5
Ease of Installation:
4.8
  • SKU: 1311907453
1GB (1 x 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

$15.74
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

  • SKU: 1306809724
2 GB - DDR2 SDRAM - 1066 MHz DDR2-1066/PC2-8500 - 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

$41.70
On Sale
Save $25.59 (Reg. $67.29)
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

  • SKU: 1307254127
1GB - 800MHz DDR2-800/PC2-6400 - DDR2 SDRAM - 200-pin SoDIMM
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

$20.79
On Sale
Save $16.06 (Reg. $36.85)
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

  • SKU: 1307253465
1GB - 800MHz DDR2-800/PC2-6400 - ECC - DDR2 SDRAM
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

$27.29
On Sale
Save $9.56 (Reg. $36.85)
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

  • SKU: 1307254103
1GB (1 x 1GB) - 800MHz DDR2-800/PC2-6400 - DDR2 SDRAM - 200-pin SoDIMM
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

$20.79
On Sale
Save $16.06 (Reg. $36.85)
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

  • SKU: 1306342559
Axiom 2GB DDR2 SDRAM Memory Module
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

$38.99
On Sale
Save $22.40 (Reg. $61.39)
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

Select 2 to 4 items to Compare