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High Speed Mini PCI-Express Turn 4 Ports RS422 RS485 Industrial Serial Port Card
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  • $255.02 
  • Free Shipping
009s 16x PCI Express Riser Card PCI-E Extender USB3.0 SATA to 6Pin Mining Miner
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009s 16x PCI Express Riser Card PCI-E Extender USB3.0 SATA to 6Pin Mining Miner
  • Type: PCI Express to USB / SATA Card
  • Model #: PGBTCARD002
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  • $19.18 
  • Free Shipping
Plugadget  Pci-E Pci Express 3.0 Gen3 X4 To 5 SATA III Card PCIE to SATA3.0 Expansion Card 5 Ports for IPFS 6G Transfer Speed JMS585
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Plugadget Pci-E Pci Express 3.0 Gen3 X4 To 5 SATA III Card PCIE to SATA3.0 Expansion Card 5 Ports for IPFS 6G Transfer Speed JMS585
  • Type: PCI Express to SATA Card
  • External Ports: 5 SATA 3.0 PORTS
  • Data Transfer Rate: 6.0 Gbps
  • Model #: PGADDON003
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  • $74.99 
  • Free Shipping
U3-019-7P 7 Ports PCI-E to USB 3.0 HUB PCI Express Expansion Card Adapter 5Gbps for Motherboard
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  • $55.57 - $57.97
Fresco FL1100 4x USB 3.0 PCI Express Card PCI-e USB3.0 Host Controller Adapter
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  • $42.17 
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  • $40.77 - $42.17
Syba 8 port Non-RAID SATA III 6Gbp/s to M.2 B+M Key Adapter PCI-e 3.0 x2 Bandwith - SI-ADA40170
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Syba 8 port Non-RAID SATA III 6Gbp/s to M.2 B+M Key Adapter PCI-e 3.0 x2 Bandwith - SI-ADA40170
  • Type: Controller Card
  • Operating Systems Supported: Windows 10, 8/8.1, 98SE, ME, 2000, XP, XP-64bit, Vista, Vista-64bit, 7, 7-64bit, Linux
  • Package Contents: (1) M.2 Gigabit LAN Module (2) Mini SAS To 4 x SATA Cable (1) Manual
  • Model #: SI-ADA40170
RIITOP PCIe to Oculink Adapter for eGPU [1-Port], PCIe Gen4 x4 to Oculink SFF-8612/SFF-8611 Card
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  • $95.13 
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External USB3.0 Port Power eSATA Port Internal USB 3.0 9pin USB Header PCIe Card With 15pin SATA Power Socket (NEC / Renesas uP
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  • $60.74 
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PCI Serial Port Card PCI To 2 Ports RS232 COM Converter Card
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PCI Serial Port Card PCI To 2 Ports RS232 COM Converter Card

Limited time offer, ends 03/15

  • Type: Controller Card
  • Model #: CL-HD-Addon-116
  •  
  • $70.20 
  • Free Shipping
Vszerda PCI-E X16 Adapter Card PCI-E X16 Interface Protection Card PCI-E X16 164-Pin Graphics Card Test Protection Card (X16)
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  • $51.78 
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Bestselling Add-On Cards Reviews:

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
Edward W.
12/7/2024 8:37:33 PM
Great update for older PC's

“ This card is a great way to add a USB 3.0 interface to older PC's whose motherboard only supplies USB 2.0. ”

MAIWO 4-Port pcie to USB 3.0 (Type-A) Expansion Card, pcie USB Add on Card, Internal USB3 Hub Converter for Desktop PC Host Card Support Windows 10/8/7/XP and MAC OS 10.8.2 Above
Martin C.
6/15/2024 6:15:09 AM
Plug 'n Play, Flawless MOTU Audio Interface

“ I would wholeheartedly recommend this to anyone looking for a PCIe FireWire card. ”

VANTEC 2+1 FireWire 800/400 PCIe Combo Host Card Model UGT-FW210