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510 items
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Startech - PCI Express Riser Card x16 Left Slot Adapter - 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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$19.76
Startech - PCI Express Riser Card x8 to x16 Left Slot Adapter for 1U Servers - 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

$15.65
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
VisionTek - 4-Port USB 3.0 PCI Express Expansion Card - Larger Front
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  • Model: 900544
  • SKU: 7370106
Adds 4 USB 3.0 ports to your existing PC; installs into most PCI Express slots; fits most PCI Express slot adapters; supports USB 3.0 data transfer rate; plug-and-play connectivity
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.

$29.99
Sapphire - Radeon R9 Fury X Graphic Card-1.05 Ghz Core-4 GB Hbm-PCI Express 3.0-Dual Slot Space Required - Multi - Larger Front
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  • Model: 21246-00-40G
  • SKU: 1314295632
4096 bit Bus Width - CrossFire - Liquid Cooler - OpenGL 4.5, OpenCL 2.0, DirectX 12 - 3 x DisplayPort - 1 x HDMI - PC - 4 x Monitors Supported
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

$682.28
SIIG - Active ExpressCard/34 Adapter - 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

$11.93
On Sale
Save $5.08 (Reg. $17.01)
EVGA - GeForce GT 730 Graphic Card-902MHz Core-2 GB GDDR5 SDRAM-PCI Express 2.0 x16-Low-profile-Single Slot - Multi - Larger Front
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  • Model: 02G-P3-3733-KR
  • SKU: 1311706162
5000 MHz Memory Clock - 64 bit Bus Width - 4096 x 2160 - DirectX 12, OpenGL 4.4, OpenCL - 1 x HDMI - 1 x VGA - 1 x Total Number of DVI
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

$73.50
Startech - PCI Express Parallel Adapter Card - Black - Larger Front
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  • Model: PEX1P
  • SKU: 1307716052
Fits most PCs with a PCI Express slot; up to 1.5 Mbps data transfer rate
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

$26.89
VisionTek - 4-Port USB 3.0 PCI Express Expansion Card - Larger Front
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  • Model: 900544
  • SKU: 1306901626
Adds 4 USB 3.0 ports to your existing PC; installs into most PCI Express slots; fits most PCI Express slot adapters; supports USB 3.0 data transfer rate; plug-and-play connectivity
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

$29.25
On Sale
Save $10.74 (Reg. $39.99)
GIGABYTE - Ultradurable VGA GeForce GTX 970 Graphic Card-1.11GHz Core-4GB GDDR5 SDRAM-PCI Express 3.0-Dual Slot - Multi - Larger Front
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  • Model: GV-N970WF3OC-4GD
  • SKU: 1312471106
256 bit Bus Width - 4096 x 2160 - SLI - Fan Cooler - DirectX 12, OpenGL 4.4 - 1 x DisplayPort - 1 x HDMI - 2 x Total Number of DVI - 4 x Monitors Supported - Dual Link DVI Supported
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

$416.31
StarTech.com - PCI Express 10/100 Mbps Ethernet Fiber SFP PCIe Network Card Adapter NIC - Multi - Larger Front
You may compare up to four items at a time.

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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

$65.26
On Sale
Save $18.73 (Reg. $83.99)
Buffalo Technology - USB 3.0 PCI Express Card - Green - Angle
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  • Model: IFC-PCIE2U3S2
  • SKU: 5525257
Compatible with most desktop computers with a PCI Express x1 card slot; lets you connect most USB 3.0 and USB 2.0 devices; 2 USB 3.0 ports; data transfer rates up to 5 Gbps
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.

$38.99
On Sale
Save $1 (Reg. $39.99)
SYBA Multimedia - Syba SY-EXP60001 1x Express Card Compact Flash Adapter - Larger Front
You may compare up to four items at a time.

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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

$25.39
On Sale
Save $41.60 (Reg. $66.99)
Startech - ExpressCard-to-CardBus Laptop Adapter PC Card - Black - Larger Front
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  • Model: CB2EC
  • SKU: 9706239
Compatible with PC and Mac with a 34mm or 54mm ExpressCard slot; adapts an ExpressCard slot into a CardBus port
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.

$47.99
On Sale
Save $1 (Reg. $48.99)
Startech - PCI Express Parallel Adapter Card - Black - Larger Front
You may compare up to four items at a time.

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Yes, go to compare

  • Model: PEX1P
  • SKU: 9658074
Fits most PCs with a PCI Express slot; up to 1.5 Mbps data transfer rate
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.

$26.99
On Sale
Save $2 (Reg. $28.99)