TOP DEALS FOR MOM

Save on activity trackers, laptops, headphones and more.

Shop the deals ›


Ends Saturday.

Current Offers
  • (370)
  • (1,175)
  • (7)
Brand
  • (668)
  • (192)
  • (144)
  • (131)
  • (98)
  • (91)
  • (53)
  • (28)
  • (23)
  • (23)
  • (19)
  • (17)
  • (16)
  • (13)
  • (12)
  • (12)
  • (10)
  • (9)
  • (8)
  • (7)
  • (6)
  • (6)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (3)
  • (3)
  • (3)
  • (3)
  • (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)
Price
  • (863)
  • (415)
  • (190)
  • (63)
  • (22)
  • (45)
  • (13)
  • (5)
  • (5)
  • (2)
  • (4)
  • (4)
  • (5)
  • (16)
Format
  • (1)
Genre
  • (1)
  • (1)
Color
  • (213)
  • (6)
  • (5)
Memory Type
  • (303)
  • (190)
  • (190)
  • (140)
  • (126)
  • (64)
  • (41)
  • (40)
  • (27)
  • (24)
  • (20)
  • (15)
  • (13)
  • (9)
  • (6)
  • (5)
  • (3)
  • (3)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
Customer Reviews
  • (5)
  • (37)
  • (71)
  • (72)
  • (72)
  • (76)
Collection
  • (1)
Condition
  • (1,646)
  • (6)
  • (2)

Networking Resources


Networking Questions

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

Sort by:
Items per page:
  • Model: MN4096SD3-1333
  • SKU: 3779273
4 GB (1 x 4 GB) - DDR3 SDRAM - 1333 MHz DDR3-1333/PC3-10666 - Non-ECC - Unbuffered - 204-pin SoDIMM PNY 4GB DDR3 SDRAM Memory Module
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.

$29.99
On Sale
Save $15 (Reg. $44.99)
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

68%
(254 Reviews)
20%
(72 Reviews)
4%
(14 Reviews)
2%
(6 Reviews)
6%
(23 Reviews)
Value for Price:
4.3
Ease of Use:
4.5
Performance:
4.3
Ease of Installation:
4.6
  • Model: MD1024SD1-400
  • SKU: 7642688
1GB - 400MHz DDR400/PC3200 - DDR SDRAM - 184-pin PNY Optima 1GB DDR SDRAM Memory Module
$32.99
Clearance
Save $2 (Reg. $34.99)
Original Price:

The price at which Best Buy first offered this product for sale on 02/05/2006.

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

68%
(64 Reviews)
27%
(26 Reviews)
3%
(3 Reviews)
2%
(2 Reviews)
0%
(0 Reviews)
Value for Price:
4.1
Ease of Use:
4.8
Performance:
4.6
Ease of Installation:
4.9
  • Model: CMZ8GX3M2A1600C9
  • SKU: 1853347
8 GB (2 x 4 GB) - DDR3 SDRAM - 1600 MHz DDR3-1600/PC3-12800 - Non-ECC - Unbuffered - 240-pin DIMM
  4.8  (5 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.

$64.99
On Sale
Save $30 (Reg. $94.99)
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

80%
(4 Reviews)
20%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
4.3
Ease of Use:
4.8
Performance:
5
Ease of Installation:
4.8
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: CMP32GX3M4X1600C10
  • SKU: 4852569
32 GB (4 x 8 GB) - DDR3 SDRAM - 1600 MHz DDR3-1600/PC3-12800 - Non-ECC - Unbuffered - 240-pin DIMM
  5.0  (1 Review)
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.

$369.99
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%
(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: KTA-MB800K2/4G
  • SKU: 3508627
4GB (2 x 2GB) - 800MHz DDR2-800/PC2-6400 - DDR2 SDRAM - 200-pin SoDIMM
  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.

$54.99
On Sale
Save $26 (Reg. $80.99)
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
Ease of Use:
5
Performance:
5
Ease of Installation:
5
  • Model: CVR-X2-SFP
  • SKU: 1305461060
1000Base-X - 2 x Expansion Slots - 1 x SFP Slots - Internal
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

$124.99
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: MD2048KD1-400
  • SKU: 9994764
2GB (2 x 1GB) - 400MHz DDR400/PC3200 - DDR SDRAM - 184-pin DIMM
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.

$47.99
On Sale
Save $7 (Reg. $54.99)
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: CMZ16GX3M4X1600C9
  • SKU: 4715224
16 GB (4 x 4 GB) - DDR3 SDRAM - 1600 MHz DDR3-1600/PC3-12800 - Non-ECC - Unbuffered - 240-pin DIMM
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
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: KTA-MB800/2G
  • SKU: 9791599
2GB (1 x 2GB) - 800MHz DDR2-800/PC2-6400 - DDR2 SDRAM - 200-pin SoDIMM
  4.0  (1 Review)
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
On Sale
Save $8 (Reg. $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

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: ET91000SFP2C
  • SKU: 1310010253
1 x Network (RJ-45) - No - 10/100/1000Base-T - 1 x Expansion Slots - 1 x SFP Slots - Internal
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

$138.83
On Sale
Save $17.16 (Reg. $155.99)
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: CGFEB1015-120
  • SKU: 1305420265
1 x RJ-45 , 1 x SC - 10/100/1000Base-T, 1000Base-LX
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

$887.99
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: CGFEB1024-120
  • SKU: 1305420197
1 x RJ-45 , 1 x SC - 10/100/1000Base-T, 1000Base-LX
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

$1,243.99
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: CFETF1013-205
  • SKU: 1305876246
1 x RJ-45 , 1 x SC - 100Base-TX, 100Base-FX
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

$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: CGFEB1013-120
  • SKU: 1305420173
1 x RJ-45 , 1 x SC - 10/100/1000Base-T, 1000Base-SX
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

$438.99
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