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78 items
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TP-LINK - Wireless N900 Dual-Band PCI Express Adapter - Multi - Larger Front
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  • Model: TL-WDN4800
  • SKU: 2080127
TP-LINK Wireless N900 Dual-Band PCI Express Adapter: Compatible with 802.11a/b/g/n/ac wireless standards; 2.4GHz and 5.0GHz bands; up to 450 Mbps throughput; 64/128-bit WEP, WPA/WPA2 and WPA-PSK/WPA2-PSK encryptions
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.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$39.99
Dynex™ - PCI Express Ethernet Adapter - Silver/Green - Left
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  • Model: DX-PCCNG50
  • SKU: 1260005
Up to 1000 Mbps data transfer rate; easy setup; 10/100/1000 Mbps auto sensing
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.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$9.99
Monoprice - USB 2.0 Ethernet Adapter ( Wii | Wii U Compatible ) - Multi - Larger Front
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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

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$11.99
On Sale
Save $2.52 (Reg. $14.51)
Prudent Way - IEEE 802.11n - Wi-Fi Adapter for Desktop Computer/Notebook - Multi - Larger Front
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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

$17.29
On Sale
Save $4.32 (Reg. $21.61)
AddOn - 1 Gigabit Ethernet NIC Card w/1 Port 1Gbase-TX RJ45 PCI 32Bit - Multi - Larger Front
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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

$16.58
Amped Wireless - High Power AC1200 Wi-Fi PCI-E Adapter - Black - Larger Front
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  • Model: PCI20E
  • SKU: 4676002
Compatible with 2.4GHz and 5.0GHz 802.11a/b/g/n/ac networks; speeds up to 867 Mbps at 5.0GHz and up to 300 Mbps at 2.4GHz; WEP, WPA and WPA2 wireless security
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.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$79.99
Asus - IEEE 802.11ac - Wi-Fi Adapter for Desktop Computer - Multi - Larger Front
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  • Model: PCE-AC68
  • SKU: 1309952847
PCI Express - 1.27 Gbit/s - 2.40 GHz ISM - 5 GHz UNII - 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

$111.60
StarTech.com - Ethernet Network Adapter Card - Multi - Larger Front
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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

$13.54
D-Link - Dlink DFE-530TXplus D-Link DFE-530TXplus 10/100 Fast Ethernet Desktop Adapter - Multicolor - Larger Front
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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

$16.38
TP-LINK - Archer T9E AC1900 Dual-Band PCI Express Network Adapter - Black - Angle
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  • Model: ARCHER T9E
  • SKU: 1313113241
Speeds up to 1900 Mbps; Heat Sink technology; Beamforming-capable; TP-LINK LIVE 24/7 technical support
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

$79.76
Rosewill - Internal Wireless-N Adapter - IEEE 802.11b/g/n - PCI - 300 MBps - Larger Front
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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

$16.99
SIIG - IEEE 802.11n - Wi-Fi Adapter for Desktop Computer - Larger Front
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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

$25.84
Rosewill - IEEE 802.11n - Wi-Fi Adapter for Desktop Computer - Multi - Larger Front
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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

$39.75
SYBA Multimedia - Gigabit Ethernet PCI-Express Card - Multi - Larger Front
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  • Model: SD-PEX24009
  • SKU: 1306764986
PCI Express x1 - 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

$18.49
On Sale
Save $23.50 (Reg. $41.99)
TRENDnet - Fast Ethernet PCI Adapter - Multi - Larger Front
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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

$13.18
StarTech.com - Fast Ethernet Card - Multi - Larger Front
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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
Rosewill - IEEE 802.11n - Wi-Fi Adapter for Desktop Computer - Larger Front
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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

$17.99
Startech - Dual Port PCI Express Gigabit Ethernet PCIe Network Card Adapter PoE/PSE - Larger Front
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  • Model: ST2000PEXPSE
  • SKU: 1305815696
PCI Express - 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

$121.64
Hiro - Gigabit Ethernet Network Card - Multi - Larger Front
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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

$26.03
Startech - 4 Port PCIe Gigabit Ethernet NIC Network Adapter Card - Larger Front
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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

$197.61
Transition Networks - Fiber Optic Network Card - Larger Front
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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

$90.95
IBM - I340-T2 Intel Ethernet Dual Port Server Adapter - Larger Front
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  • Model: I340-T2
  • SKU: 1306769233
PCI Express x4 - 2 Port(s) - 2 x Network (RJ-45) - Low-profile
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

$142.97
Startech - Gigabit Ethernet Card - Larger Front
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  • Model: EC2000S
  • SKU: 1306914039
ExpressCard - 2 x RJ-45 Network - 10/100/1000Base-T - 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

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$125.24
TRENDnet - IEEE 802.11n - Wi-Fi Adapter for Desktop Computer - Larger Front
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  • Model: TEW-726EC
  • SKU: 1308394440
PCI Express - 600 Mbps - 2.40 GHz ISM - 5 GHz UNII - 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

$32.66
On Sale
Save $10.78 (Reg. $43.44)
Intel - Ethernet Converged Network Adapter X520 - Larger Front
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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

$333.50
On Sale
Save $38.49 (Reg. $371.99)