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SYBA 5 x Port Non-RAID SATA III 6 Gbp/s PCI-e x4 Controller Card Model SI-PEX40139
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SYBA 5 x Port Non-RAID SATA III 6 Gbp/s PCI-e x4 Controller Card Model SI-PEX40139

Limited time offer, ends 09/15

  • Type: PCI Express to SATA Card
  • Internal Ports: 5 x SATA III 6 Gb/s
  • Data Transfer Rate: Up to 1700 MB/s
  • Model #: SI-PEX40139
  • $51.57 - $52.97
SYBA PCI-Express 2-Port DB9 RS232 Serial Card with Low Profile Bracket - RoHS Model SD-PEX15022
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SYBA PCI-Express 2-Port DB9 RS232 Serial Card with Low Profile Bracket - RoHS Model SD-PEX15022
  • Type: PCI Express to Serial Port Card
  • External Ports: 2 x Serial Ports
  • Operating Systems Supported: Supports Windows 2000, XP 32/64-bit, Server 2003 32/64-bit, Vista 32/64-bit, Server 2008 32/64-bit
  • Weight: 0.35
  • Model #: SD-PEX15022
  •  
  • $26.23 
  • Free Shipping
SYBA USB 3.0 4-port PCI-Express x1 Controller Card, VLI VL80x Chip Model SD-PEX20133
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SYBA USB 3.0 4-port PCI-Express x1 Controller Card, VLI VL80x Chip Model SD-PEX20133
  • Type: PCI Express to USB Card
  • External USB Ports: 4x USB Ports
  • Standard: USB 3.0
  • Data Transfer Rate: Up to 5.0 Gbps
  • Model #: SD-PEX20133
  •  
  • $52.35 
  • Free Shipping
SYBA 4 x Port Non-RAID SATA III 6 Gbp/s and M.2 B Key 2242 PCI-e x4 Controller Card Model SI-PEX40138
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SYBA 4 x Port Non-RAID SATA III 6 Gbp/s and M.2 B Key 2242 PCI-e x4 Controller Card Model SI-PEX40138
  • Type: PCI Express to SATA Card
  • Internal Ports: 4 x SATA III + 1 x M.2 B-Key
  • Data Transfer Rate: Up to 1700 MB/s
  • Package Contents: (1) 4 Port SATA + M.2 B-key PCI-e x4 Controller (4) SATA Cables (1) Manaul
  • Model #: SI-PEX40138
  •  
  • $53.98 
  • Free Shipping
2 SATA expansion card, PCI-E 3.0 GEN3 JMICRON + JMB582 chip, 6Gbit/s expansion adapter card with thin bracket
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2 SATA expansion card, PCI-E 3.0 GEN3 JMICRON + JMB582 chip, 6Gbit/s expansion adapter card with thin bracket
  • Type: PCI Express to SATA Card
  • External 1394 Ports: 2x 1394 Ports
  • Internal Ports: 2 x SATA
  • Data Transfer Rate: Support 6.0Gbps, 3.0Gbps and 1.5Gbp
  • Model #: SN-01
  •  
  • $35.99 
SYBA 2-Port USB 3.0 PCI-Express Card, x1, Etron Chipset EJ168A with Full & Low Profile Brackets Model SD-PEX20158
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SYBA 2-Port USB 3.0 PCI-Express Card, x1, Etron Chipset EJ168A with Full & Low Profile Brackets Model SD-PEX20158
  • Operating Systems Supported: Windows 7 Vista XP Server 2008
  • Weight: 0.1
  • Package Contents: 1 x USB3.0 PCIe Host Controller Card 1 x Driver CD 1 x User Manual 1 x Low Profile Bracket
  • Model #: SD-PEX20158
SYBA PCI to Serial 2-port host controller card Model SD-PCI-2S
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SYBA PCI to Serial 2-port host controller card Model SD-PCI-2S

Limited time offer, ends 09/19

  • Type: PCI to Serial Port Card
  • External Ports: 2x DB9 serial port connectors
  • Operating Systems Supported: Windows 98SE/ME/2000/XP/NT4.0, Linux & DOS Operating System
  • Weight: 0.4
  • Model #: SD-PCI-2S
SYBA SI-PEX10010 Parallel 1 Port PCI-e Controller Card with Full & Low Profile Brackets, WCH382L Chipset
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SYBA SI-PEX10010 Parallel 1 Port PCI-e Controller Card with Full & Low Profile Brackets, WCH382L Chipset

Limited time offer, ends 09/19

  • Type: PCI Express to Parallel Port
  • External Ports: 1 x Parallel Port
  • Operating Systems Supported: Windows 7 Windows Vista Windows XP Server 2012 Server 2008 Server 2003 Server 2000(32bit only) Windows ME Windows 98SE Windows 98 Linux Kernel 2.4 & 2.6 Mac 10.4 & above
  • Package Contents: 1-port Parallel PCI-e Controller Card Driver CD User Manual Low Profile Bracke
  • Model #: SI-PEX10010
SYBA USB 3.0 SuperSpeed 2-port PCI-Express Controller Card NEC uPD720200 Chipset Model SY-PEX20045
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SYBA USB 3.0 SuperSpeed 2-port PCI-Express Controller Card NEC uPD720200 Chipset Model SY-PEX20045

Limited time offer, ends 09/19

  • Type: PCI Express to USB Card
  • External USB Ports: 2x USB Ports
  • Standard: USB 3.0
  • Data Transfer Rate: Up to 5.0 Gbps
  • Model #: SY-PEX20045
M.2 NVME to PCIe 3.0 x4 Adapter with Aluminum Heatsink Solution
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DERAPID MPE-AXE3000H Wi-Fi 6E Mini PCIe Wireless Card, AX5400 with Bluetooth 5.3, 802.11ax Tri-Band (6GHz/5GHz/2.4GHz), MU-MIMO, for Windows 11/10 64-bit Laptop/PC
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DERAPID MPE-AXE3000H Wi-Fi 6E Mini PCIe Wireless Card, AX5400 with Bluetooth 5.3, 802.11ax Tri-Band (6GHz/5GHz/2.4GHz), MU-MIMO, for Windows 11/10 64-bit Laptop/PC
  • Part Number: AX5400
  • Type: PCIe Card
  • External USB Ports: Mini PCI Express
  • Internal USB Ports: Mini PCIE
  • Model #: MPE-AXE3000H
  •  
  • $45.99 
Weastlinks PCIE PCI-E to 2 Port SATA 1X 4X 8X 16X PCI-E Cards PCI Express to 2 SATA 3.0 2-Port SATA III 6Gbps Expansion Adapter Boards
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Weastlinks PCIE PCI-E to 2 Port SATA 1X 4X 8X 16X PCI-E Cards PCI Express to 2 SATA 3.0 2-Port SATA III 6Gbps Expansion Adapter Boards

Limited time offer, ends 09/14

  • Type: PCI Express to SATA Card
  • External USB Ports: 2x SATA III
  • Model #: WLSATAC010
SYBA SI-MPE40150 2 Ports SATA III Full Height MiniPCIE Controller Card (Jmicro Chipset)
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SYBA SI-MPE40150 2 Ports SATA III Full Height MiniPCIE Controller Card (Jmicro Chipset)

Limited time offer, ends 09/19

  • Type: MiniPCIE Controller Card
  • External Ports: 2 x SATA III Ports
  • Internal Ports: 1 x Mini PCIe Slot
  • Data Transfer Rate: 6.0 Gbps
  • Model #: SI-MPE40150
Weastlinks PCI To 2 Port SATA RAID Controller Card Sil3112 chipset SATA PCI Serial ATA Host Controller Card
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Weastlinks PCI To 2 Port SATA RAID Controller Card Sil3112 chipset SATA PCI Serial ATA Host Controller Card

Limited time offer, ends 09/13

  • Type: PCI Express to SATA Card
  • External USB Ports: 2 Port
  • Model #: WLSATAC023
  •  
  • $79.18 
  • Free Shipping
SYBA M.2 (B & M-Key) PCI-e interface Single Port Gigabit Ethernet Modules Model SI-PEX24054
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SYBA M.2 (B & M-Key) PCI-e interface Single Port Gigabit Ethernet Modules Model SI-PEX24054

Limited time offer, ends 09/15

  • Type: M.2 (B & M-Key) PCI-e to Gigabit Ethernet
  • External Ports: Gigabit Ethernet Port
  • Internal Ports: M.2 (B & M-Key) PCI-e
  • Compatibility: PC Motherboard with B & M key M.2 Slot
  • Model #: SI-PEX24054
  • $35.79 - $37.19
MSI ThunderboltM3 Add-On Card
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MSI
MSI ThunderboltM3 Add-On Card
  • Type: PCI Express to Thunderbolt
  • External Ports: 2 x Thunderbolt 3 port (type C) 1 x 5 pin TB header 2 x DisplayPort input ports
  • Specifications: Chipset: Intel Thunderbolt 3 controller Interface: PCIe 3.0 x4 Capabilities: Supports Display Port 1.2 with max. 4K x 2K @60/24 Hz Accessories: 1 x TB header cable
  • Thunderbolt 3: Yes
  • Model #: ThunderboltM3
Weastlinks Desktop PCI-Express PCI-e to PCI Adapter Card PCIe to Dual Pci Slot Expansion Card USB 3.0 Add on Cards Convertor
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  •  
  • $46.63 
  • Free Shipping
Weastlinks PCI-e PCIE to SATA Card PCI-E Adapter PCI Express to 4 SATA 3 Converter 4 Port SATA III 6G Expansion Controller Card Adapter IPFS
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Weastlinks PCI-e PCIE to SATA Card PCI-E Adapter PCI Express to 4 SATA 3 Converter 4 Port SATA III 6G Expansion Controller Card Adapter IPFS

Limited time offer, ends 09/15

  • Type: PCI Express to SATA Card
  • External USB Ports: 4x SATA III
  • Model #: WLSATAC002
Weastlinks PCI-E PCIE to 4 Port Raid SATA3.0 6G PCIE 4 SATA Raid Card PCI-E 4 Ports SATA Raid PCI Express 4X Marvell 88SE9230 Chip
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Weastlinks PCI-E PCIE to 4 Port Raid SATA3.0 6G PCIE 4 SATA Raid Card PCI-E 4 Ports SATA Raid PCI Express 4X Marvell 88SE9230 Chip

Limited time offer, ends 09/13

  • Type: PCI Express to SATA Card
  • External USB Ports: 4x SATA III
  • Model #: WLSATAC004
  •  
  • $133.04 
  • Free Shipping
eShinreal Quad PCIe 3.0 x16 to M.2 NVMe SSD Adapter(Without SSD)-PLX8747
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Xiwai U.2 U2 Kit SFF-8639 NVME PCIe SSD Adapter & Cable for Mainboard Intel SSD 750 p3600 p3700 M.2 SFF-8643
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StarTech.com PEXUSB321C 1-Port USB 3.2 Gen 2x2 PCIe Card - USB-C SuperSpeed 20Gbps PCI Express 3.0 x4 Host Controller Card - USB Type-C PCIe Add-On Adapter Card - Expansion Card - Windows & Linux
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StarTech.com PEXUSB321C 1-Port USB 3.2 Gen 2x2 PCIe Card - USB-C SuperSpeed 20Gbps PCI Express 3.0 x4 Host Controller Card - USB Type-C PCIe Add-On Adapter Card - Expansion Card - Windows & Linux
  • Type: PCI Express to USB Card
  • External USB Ports: USB Type-C (24 pin, Gen 2x2, 20Gbps)
  • Standard: USB 3.2 Specification Rev. 1.0 PCI Express Base Specification Rev. 3.0 Intel xHCI Specification Rev. 1.1 UASP (USB Attached SCSI Protocol) Rev. 1.0
  • Data Transfer Rate: 20Gbps
  • Model #: PEXUSB321C
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
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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

Limited time offer, ends 09/30

  • Type: PCI Express to USB Card
  • External USB Ports: 4-port USB 3.0
  • Specifications: Bus Type:PCI ExpressType Standard:Profile (LP bracket incl.) Chipset:VIA VL805 Interface: USB 3.0 Port Type and Rate :USB 3.0 - 5 Gbit/s Connector Type(s): 1 - PCI Express x1 Male External Ports: 2 - USB Type-A (9 pin) USB 3.0 Female Internal Ports : 2 x US 3.0 Internal Ports (20 pin connector) front panel for floppy bay Internal Ports : 1 - Molex 4 pin Plug
  • Package Contents: 1 x PCIe USB 3.0 PCI express card
  • Model #: PCE4USB-RD1
  •  
  • $23.69 
  • Free Shipping
  • $21.42 - $23.69
867M Atheros Killer 1435 NGFF 802.11AC BT4.1 Wave 2 MU-MIMO Wireless WIFI Card
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  •  
  • $21.99 
  • Free Shipping
StarTech.com PEXUSB314A2V2 4-Port USB PCIe Card - 10Gbps USB 3.1/3.2 Gen 2 Type-A PCI Express Expansion Card with 2 Controllers - 4x USB-A - USB PCIe Add-On Adapter Card - Windows/Mac/Linux
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StarTech.com PEXUSB314A2V2 4-Port USB PCIe Card - 10Gbps USB 3.1/3.2 Gen 2 Type-A PCI Express Expansion Card with 2 Controllers - 4x USB-A - USB PCIe Add-On Adapter Card - Windows/Mac/Linux
  • Type: PCI Express to USB Card
  • External USB Ports: 4 x USB 3.2 USB Type-A (9 pin, Gen 2, 10 Gbps)
  • Standard: USB 3.1 Specification Rev. 1.0 USB Specification Rev. 2.0 PCI Express Base Specification Rev. 2.0 Intel xHCI Specification Rev. 1.1 UASP (USB Attached SCSI Protocol) Rev. 1.0
  • Data Transfer Rate: USB 3.2 Gen 2 - 10 Gbit/s
  • Model #: PEXUSB314A2V2
RTL8821CE 802.11AC 1X1 Wi-Fi+BT 4.2 Combo Adapter Card FRU 01AX710 wireless netowrk card For Lenovo laptop
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  •  
  • $15.99 
  • 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