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PCI 2 PORT RS-422/485 Adapter Card
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  •  
  • $118.99 –
  • Free Shipping
Sierra MC7700 4G LTE HSPA+ GSM GPRS EDGE Wireless 3G WWAN For Thinkpad X220 T420
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  •  
  • $38.99 –
  • Free Shipping
HP Ethernet 10Gb 2-port 530SFP+ Adapter
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HP Ethernet 10Gb 2-port 530SFP+ Adapter
  • Weight: 0.79
  • Parts: 1 Year
  • Model #: 652503-B21
  •  
  • $899.65 –
  • $11.99 Shipping
Icy Dock MB987M2P-2B | 1 x M.2 NVMe SSD to PCIe 3.0 x4 Adapter with Heat Sink | EZConvert Ex Pro
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Icy Dock MB987M2P-2B | 1 x M.2 NVMe SSD to PCIe 3.0 x4 Adapter with Heat Sink | EZConvert Ex Pro
  • Type: PCI Express to M.2 Card
  • External USB Ports: 4x PCIe 4.0
  • Data Transfer Rate: Up to 32Gbps (Depending on SSD Speed)
  • Compatibility: NVMe
  • Model #: MB987M2P-2B
HP Serial Port Flex IO V3 5B895AA
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HP
HP Serial Port Flex IO V3 5B895AA
  • Brand: HP
  • Type: PCI Express to Serial Port Card
  • Model #: 5B895AA
Linkreal 2 Ports PCIe 3.0 x8 Host Adapter Card for U.2 (SFF-8639) PCIe-NVMe SSD
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Linkreal 2 Ports PCIe 3.0 x8 Host Adapter Card for U.2 (SFF-8639) PCIe-NVMe SSD
  • Type: PCI Express Controller Card
  • Internal Ports: 2 Port SFF-8643
  • Standard: PCIe x8 to 2-Port U.2 NVMe SSD Adapter
  • Data Transfer Rate: 6.0 Gbps
  • Model #: LRNV93N8
  •  
  • $60.00 –
  • $15.00 Shipping
Siig 4-Port Superspeed Usb 3.0 Pcie Card - Quad Core
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Siig 4-Port Superspeed Usb 3.0 Pcie Card - Quad Core
  • Brand: SIIG, Inc
  • Weight: 0.22
  • Model #: JUP40811S1
  •  
  • $130.21 –
  • $10.00 Shipping
Linkreal 4 Port PCIe 3.0 x16 to U.2 NVMe SSD Adapter with SFF-8643 Connector and PLX8747 Chipset For Servers
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Linkreal 4 Port PCIe 3.0 x16 to U.2 NVMe SSD Adapter with SFF-8643 Connector and PLX8747 Chipset For Servers
  • Type: PCI Express Controller Card
  • Internal Ports: 4 Port SFF-8643
  • Standard: PCIe NVMe Adapter
  • Data Transfer Rate: 6.0 Gbps
  • Model #: LRNV9347-4I
  •  
  • $288.00 –
  • $15.00 Shipping
Linkreal PCI Express 3.0 x8 to 2 x U.2 (SFF-8643) NVMe SSD Adapter
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Linkreal PCI Express 3.0 x8 to 2 x U.2 (SFF-8643) NVMe SSD Adapter
  • Type: PCI Express Controller Card
  • Internal Ports: 2 Ports SFF-8643
  • Standard: PCIe to 2 port SFF-8643 U.2 SSD NVMe Adapter
  • Data Transfer Rate: 6.0 Gbps
  • Model #: LRNV9347L-2I
  •  
  • $195.00 –
  • $15.00 Shipping
PCI Express x1 to PCI Bridge card PEX8112-AA66 Chipset pci slot converter card
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  •  
  • $79.20 –
  • Free Shipping

Bestselling Add-On Cards Reviews:

Anonymous
3/30/2026 11:29:09 PM
Great Value! Invisible!

“ NO, I bought this PCIx card and badda bing, badda boom it was working just fine immediately. ”

SYBA SI-PEX40110 M.2 M-Key NVMe PCI-e to PCI-e x4 Converter Card
Shawn S.
1/27/2026 9:32:37 AM
Excellent product at the best price I could find online

“ This replaced another StarTech powered PCI USB hub that uses a driver that is incompatible with Star Citizen, of all things. ”

StarTech.com PEXUSB3S7 7 Port PCI Express USB 3.0 Card - Standard & Low-Profile - SATA Power - UASP Support - 1 Internal & 6 External USB 3.0 Ports
David K.
1/1/2026 7:14:55 PM
Renesas Controller For Nvidia 3D Vision Emitter

“ I needed a PCIE usb card with a Renesas USB controller for my Nvidia 3D Vision emitter. ”

StarTech.com 2 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - SATA Power Model PEXUSB3S24
Tim M.
12/31/2025 7:34:04 PM
BOOM. More USB ports than I can shake a stick at

“ Many many many more USB-A style though blue not red ports to add to your system. ”

PCIe USB 3.0 Card 7 Port, RIITOP PCI-e Express x1 to 7 Port USB3.0 Expansion Controller Card Adapter, NEC Chipset, No Need Power Supply (NOT Compatible 2U Case)
10/23/2024 12:00:48 AM
Maybe a Necessity if You Have USB-C on Front Panel

“ The PCI-E 1X to USB 3.2 GEN1 5Gbps 20pin Front Panel Header allows you to connect the USB-C front panel header to your PCI-E 1X slot ”

PCI-E 1X to USB 3.2 GEN1 5Gbps 20pin Front Panel Header (to Type-c Front Panel Header) + USB 3.0 19Pin Socket Expansion Card,Type-E Internal 20-pin Front Panel Connector Riser Card
Michael V.
11/16/2023 2:36:31 AM
East plug and play installation

“ Plugged right in and now I have a raft of USB ports. ”

PCI-E to 8 Port USB 3.0 (2xUSB-C, 6x USB-A ) Expansion Card 5Gbps, External PCI Express USB3.0 Adapter Card For Desktop PC PCI-e 1x, Support Windows 10/8/7/XP
Anonymous
11/11/2023 7:00:07 PM
Plug it in and it works. Just what I wanted.

“ Simple USB3.0 Add-on Card with 19/20 pin header. ”

4 Port PCIE PCI-e to USB 3.0 (2 x Type A+ 20 Pin Internal) Expansion Card Hub Controller PCI Express Card Adapter w/ Molex Power