MEMORIAL DAY DEALS

Save on HDTVs, laptops, tablets and more.

Shop the deals ›


Current Offers
  • (67)
  • (445)
  • (1)
  • (6)
Brand
  • (45)
  • (44)
  • (39)
  • (34)
  • (31)
  • (29)
  • (25)
  • (24)
  • (18)
  • (18)
  • (17)
  • (15)
  • (15)
  • (12)
  • (12)
  • (10)
  • (10)
  • (9)
  • (9)
  • (8)
  • (6)
  • (6)
  • (6)
  • (5)
  • (5)
  • (5)
  • (5)
  • (4)
  • (4)
  • (4)
  • (3)
  • (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)
  • (1)
  • (1)
Price
  • (123)
  • (83)
  • (76)
  • (44)
  • (37)
  • (97)
  • (34)
  • (14)
  • (7)
  • (5)
  • (6)
  • (3)
  • (4)
Customer Reviews
  • (10)
  • (21)
  • (53)
  • (57)
  • (57)
  • (62)
Form Factor
  • (22)
  • (15)
  • (10)
  • (7)
  • (2)
  • (1)
Video Memory Capacity
  • (9)
  • (17)
  • (2)
Graphics Processing Unit (GPU)
  • (5)
  • (5)
  • (4)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
Maximum Resolution
  • (11)
  • (5)
  • (2)
Video Memory Type
  • (24)
  • (5)
  • (3)
  • (1)
  • (1)
Interfaces
  • (20)
  • (8)
  • (1)
  • (1)
Drive Interface
  • (20)
  • (8)
  • (1)
  • (1)
Color
  • (69)
  • (15)
  • (11)
  • (4)
Condition
  • (529)
  • (4)

Networking Resources


Networking Questions

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

Sort by:
Items per page:
  • Model: NS-PCCUP53
  • SKU: 5621006
Adds SuperSpeed USB 3.0 functionality to your PC; up to 5 Gbps data transfer rate per port; backward compatible with USB 2.0 and 1.1 devices
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
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%
(20 Reviews)
30%
(9 Reviews)
3%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
Value for Price:
5
Compatibility:
5
Features:
5
Ease of Installation:
5
  • Model: CN-GP1111-S1
  • SKU: 1310577077
PCI Express x4 - 2 Port(s) - 2 x Network (RJ-45) - Twisted Pair - Full-height
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

$97.98
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: ADD-PCIE-2RJ45
  • SKU: 1310022423
PCI Express x4 - 2 Port(s) - 2 x Network (RJ-45) - Twisted Pair
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

$80.24
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: ADD-PCIE-1RJ45
  • SKU: 1310022409
PCI Express x4 - 1 Port(s) - 1 x Network (RJ-45) - Twisted Pair
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

$25.28
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: ADD-PCIE-4RJ45
  • SKU: 1310022430
PCI Express x4 - 4 Port(s) - 4 x Network (RJ-45) - Twisted Pair
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

$162.99
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: 04G-P4-3979-KB
  • SKU: 2496109
4GB GDDR5 memory; PCI Express 3.0 interface; DVI-I, DVI-D, HDMI and DisplayPort outputs; 1190MHz clock speed with 1342MHz boost clock speed; Precision X16 and OCScanner software
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.

$379.99
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%
(75 Reviews)
19%
(19 Reviews)
2%
(2 Reviews)
1%
(1 Review)
3%
(3 Reviews)
  • Model: 9001G4012510000
  • SKU: 9855169
4GB GDDR5 memory; PCI Express interface; dual-link DVI-I, HDMI 2.0 and 3 DisplayPort 1.2 outputs; 1050MHz base clock and 1178MHz boost clock speeds
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%
(84 Reviews)
15%
(15 Reviews)
3%
(3 Reviews)
1%
(1 Review)
0%
(0 Reviews)
Image coming soon
  • Model: 02G-P4-3759-KB
  • SKU: 4906008
2GB GDDR5 memory; PCI Express interface; DisplayPort, HDMI and DVI-I connectors; 5400MHz effective clock speed; 128-bit memory interface
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.

$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

75%
(126 Reviews)
17%
(28 Reviews)
6%
(10 Reviews)
0%
(0 Reviews)
2%
(3 Reviews)
Value for Price:
4.5
Compatibility:
4.7
Features:
4.5
Ease of Installation:
4.7
  • Model: 02G-P4-3069-KB
  • SKU: 6820043
2GB GDDR5 memory; PCI Express 3.0 interface; HDMI, DVI-I, DVI-D and DisplayPort 1.2 interfaces; Superclocked+ design; 192-bit memory; NVIDIA Adaptive Vertical Sync
$149.99
On Sale
Save $90 (Reg. $239.99)
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%
(76 Reviews)
25%
(27 Reviews)
2%
(2 Reviews)
1%
(1 Review)
2%
(2 Reviews)
Value for Price:
4.2
Compatibility:
4.7
Features:
4.7
Ease of Installation:
4.6
  • Model: ADD-PCIE-2SFP
  • SKU: 1310022416
PCI Express x4 - Optical Fiber
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

$381.91
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: ADD-PCIE-1SFP
  • SKU: 1310022447
PCI Express x4 - Optical Fiber
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

$283.99
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: 02G-P4-2968-KR
  • SKU: 4047283
2GB GDDR5 memory; PCI Express 3.0 interface; DVI-I, HDMI and DisplayPort outputs; 1304MHz clock speed with 1367MHz boost clock speed; EVGA Precision X and OC Scanner X software 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.

$219.99
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

85%
(24 Reviews)
11%
(3 Reviews)
4%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
  • Model: R9-290X-EDBD
  • SKU: 1310289680
XFX Black Edition AMD Radeon R9 290X 4GB DDR5 PCI Express 3.0 Graphics Card: 4GB DDR5 memory; PCI Express interface; 1 HDMI, 1 DisplayPort 1.2 and 2 DVI outputs; 1050MHz clock speed; 512-bit memory interface; AMD Catalyst software
  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

$410.99
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)
  • Model: R9-270X-CDFR
  • SKU: 2091002
2GB DDR5 memory; PCI Express 3.0 interface; HDMI, 2 Mini DisplayPort and 2 DVI outputs; Catalyst driver software 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.

$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

69%
(75 Reviews)
21%
(22 Reviews)
1%
(1 Review)
3%
(3 Reviews)
6%
(6 Reviews)
Value for Price:
4.5
Compatibility:
4.7
Features:
4.7
Ease of Installation:
4.8
  • Model: 9001G4012500000
  • SKU: 9855141
4GB GDDR5 memory; PCI Express interface; dual-link DVI-I, HDMI 2.0 and 3 DisplayPort 1.2 outputs; 1126MHz base clock and 1216MHz boost clock speeds
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%
(25 Reviews)
16%
(5 Reviews)
3%
(1 Review)
3%
(1 Review)
0%
(0 Reviews)
Select 2 to 4 items to Compare