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In Add-On Cards

Our most popular products, based on sales and updated frequently.
61
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
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
  • Item #: N82E16815158470
  • Return Policy: 30-Day Return Policy
Save 23%
$51.99
$67.99
$6.81 Shipping
62
Dual Band Wireless-AC 7260HMW Mini PCI-E BT4.0 Card Intel For HP SPS 710661-001
Dual Band Wireless-AC 7260HMW Mini PCI-E BT4.0 Card Intel For HP SPS 710661-001
  • Type: Controller Card
  • Model #: CL-Wificard3-142
  • Item #: 9SIAFJV7NX0370
  • Return Policy: View Return Policy
$11.99
Free Shipping
63
Asus 90IG0610-MA0R1T PCE-AX3000 WiFi 6 (802.11ax) Adapter with 2 External Antennas.
Asus 90IG0610-MA0R1T PCE-AX3000 WiFi 6 (802.11ax) Adapter with 2 External Antennas.
  • Type: PCI Express to WiFi 6 (802.11ax) Adapter
  • External Ports: WiFi 6 (802.11ax)
  • Internal Ports: PCIe
  • Standard: WiFi 6 (802.11ax)
  • Model #: 90IG0610-MA0R1T
  • Item #: 9SIA4A0K9D5525
  • Return Policy: View Return Policy
$69.99
Free Shipping
64
MSI ThunderboltM3 Add-On Card
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
  • Item #: 9SIC4RPKRD4005
  • Return Policy: View Return Policy
$229.49
$233.69
$29.99 Shipping
65
SYBA USB 3.0 3+1 Port PCI-e Card, Free Low Profile Bracket, Renesas Chipset Model SD-PEX20137
SYBA USB 3.0 3+1 Port PCI-e Card, Free Low Profile Bracket, Renesas Chipset Model SD-PEX20137
  • Type: PCI Express to USB Card
  • External USB Ports: 3x USB Ports
  • Internal USB Ports: 1x USB Port
  • Internal Ports: 1 Molex Power Feed Connector
  • Model #: SD-PEX20137
  • Item #: 9SIA3XW59G8472
  • Return Policy: View Return Policy
$26.99
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100+MB/sec from hard drive low profile bracket more usb3 ports than most other cards

66
GLOTRENDS PA09-SA M.2 SATA Adapter for M.2 NGFF SATA SSD,  With M.2 Screws and SATA Cable
GLOTRENDS PA09-SA M.2 SATA Adapter for M.2 NGFF SATA SSD, With M.2 Screws and SATA Cable
  • Type: PCIe expansion card
  • Model #: 06976007120024
  • Item #: 9SIAMKHJRZ6852
  • Return Policy: View Return Policy
Save 40%
$11.99
$19.99
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Installed m.2, plugged it in the PCI slot and fires it up. Drive showed up no fuss. Windows 11.

67
SYBA PCI-Express 1-Port DB9 RS232 Serial Card with Low Profile Bracket - RoHS Model SD-PEX15021
SYBA PCI-Express 1-Port DB9 RS232 Serial Card with Low Profile Bracket - RoHS Model SD-PEX15021
  • Type: PCI Express to Serial Port Card
  • External Ports: 1 x Serial Port
  • Operating Systems Supported: Windows 2000, XP 32/64-bit, Server 2003 32/64-bit, Vista 32/64-bit, Server 2008 32/64-bit
  • Weight: 1
  • Model #: SD-PEX15021
  • Item #: N82E16815124084
  • Return Policy: 30-Day Return Policy
$17.99
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Low profile. Comes with driver disc easy install. Great price. Works just the it should I would recommend to anyone needing an old style 9 pin RS233 port I/O

68
SYBA 5 x Port Non-RAID SATA III 6 Gbp/s PCI-e x4 Controller Card Model SI-PEX40139
SYBA 5 x Port Non-RAID SATA III 6 Gbp/s PCI-e x4 Controller Card Model SI-PEX40139
  • 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
  • Item #: N82E16816124113
  • Return Policy: 30-Day Return Policy
Save 40%
$29.99
$49.99
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- JMicron JMB535 Chipset - Syba website has full datasheet - Fits in X4, X8 and X16 PCIe slots, usesGen3 x2 - Small - Blue, onboard activity lights (can only be viewed from inside case)

70
Quad M.2 NVMe to PCIe Adapter Expansion Card (PCIe Bifurcation Motherboard is Required), Support 4* M.2 PCIe NVMe SSD
Quad M.2 NVMe to PCIe Adapter Expansion Card (PCIe Bifurcation Motherboard is Required), Support 4* M.2 PCIe NVMe SSD
  • Type: Controller Card
  • Model #: 4NV-PCE16X
  • Item #: 9SIARE9JVF1975
  • Return Policy: View Return Policy
Limited Time Offer
$26.99
Free Shipping
71
StarTech PEXUSB3S42V 4 Port Dual Bus PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - SATA/LP4 Power
StarTech.com Adapter Model PEXUSB3S42V
  • Type: PCI Express
  • Specifications: Industry Standards: - USB 3.0 Specification Rev. 1.0 - USB Battery Charging Specification Rev. 1.2 (Apple Mode only) - PCI Express Base Specification Rev. 2.0 - Intel xHCI Specification Rev. 1.0 Interface: USB 3.0 Connector Type(s): 1 - PCI Express x4 Male External Ports: 4 - USB 3.0 A (9 pin; SuperSpeed) Female Internal Ports: - 1 - LP4 (4 pin; Molex Large Drive Power) Female - 1 - SATA Power (15 pin) Plug Maximum Cable Length: 9.8 ft [3 m] Maximum Data Transfer Rate: 5Gbps per 2 ports - 10Gbps Total Type and Rate: USB 3.0 - 5 Gbit/s UASP Support: Yes
  • Dimensions: 0.59" x 2.17" x 6.57" (W x H x L)
  • Weight: 0.13lb
  • Model #: PEXUSB3S42V
  • Item #: N82E16812400547
  • Return Policy: 30-Day Return Policy
Save 16%
$78.99
$94.99
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Got me up and running has plenty of power have 37 drives external using on Dyconn 12 port usb 3.0

72
StarTech.com PEXUSB3S4V 4 Port PCI Express PCIe SuperSpeed USB 3.0 Controller Card Adapter with UASP - SATA Power - USB 3 PCIe Card
StarTech.com PEXUSB3S4V 4 Port PCI Express PCIe SuperSpeed USB 3.0 Controller Card Adapter with UASP - SATA Power - USB 3 PCIe Card
  • Type: PCI Express to USB Card
  • Internal Ports: 1 x SATA
  • Standard: USB 3.0
  • Data Transfer Rate: Up to 5.0 Gbps
  • Model #: PEXUSB3S4V
  • Item #: N82E16815158354
  • Return Policy: 30-Day Return Policy
Save 66%
OUT OF STOCK
Sold Price: $21.69
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Need 4 more USB ports, and want them to be powered as well? This is your answer. Drivers load perfectly and device operates without a glitch fully loaded. I am running an HP scanjet 5590, Dell CN 3100 color laser, Logitec HD cam, and an 3.0 external HD. All running fast as fast...

73
StarTech.com 7 Port PCI USB Card Adapter Model PCIUSB7
StarTech.com 7 Port PCI USB Card Adapter Model PCIUSB7
  • Type: PCI to USB Card
  • External USB Ports: 4x USB Ports
  • Internal USB Ports: 1x USB Port
  • Internal Ports: 2 - 9 pin IDC (Motherboard Header) Male
  • Model #: PCIUSB7
  • Item #: N82E16815158220
  • Return Policy: 30-Day Return Policy
$32.99
$33.99
$1.99 Shipping

Plugged it into a Windows 7 64 bit pc. Was recognized and worked without any other drivers needed. Everything I plug into it works.

74
StarTech.com PEX8M2E2 x8 Dual M.2 PCIe SSD Adapter - PCIe 3.0 - PCI Express M.2 SSD Adapter Card - For PCIe NVMe and PCIe AHCI M.2 SSDs (PEX8M2E2)
StarTech.com PEX8M2E2 x8 Dual M.2 PCIe SSD Adapter - PCIe 3.0 - PCI Express M.2 SSD Adapter Card - For PCIe NVMe and PCIe AHCI M.2 SSDs (PEX8M2E2)
  • Type: PCI Express to M.2 Card
  • External Ports: 2 x M.2 (PCIe, M-Key, AHCI/NVMe, NGFF)
  • Internal Ports: 1 x PCI Express x8 Male 2 x IDC (2 pin, Motherboard Header)
  • Data Transfer Rate: PCI Express 3.0 (8 Gbps)
  • Model #: PEX8M2E2
  • Item #: 9SIA6ZPK9X9323
  • Return Policy: View Return Policy
$179.20
$183.46
76
ASUS Thunderboltex 3 Thunderbolt/Usb Adapter, PCI Express to USB Card, 	1 x 9 pin TB header, 40Gbps transfer speed
ASUS Thunderboltex 3 Thunderbolt/Usb Adapter, PCI Express to USB Card, 1 x 9 pin TB header, 40Gbps transfer speed
  • Type: PCI Express to USB Card
  • External Ports: 1 x 9 pin TB header
  • Internal Ports: PCI Express 3.0 x4 (compatible with PCI Express x16/x8/x4 slots)
  • Operating Systems Supported: Windows 10 Windows 8.1 64-bit Windows 8 64-bit Windows 7 32-bit Windows 7 64-bit
  • Model #: B-ASUS ThunderboltEX 3
  • Item #: 9SIC3DRKRA3995
  • Return Policy: View Return Policy
$178.92
Free Shipping

Gives you full 10 Gbps USB C bandwidth of a true motherboard header

78
PCIe to 5 Port USB 3.0 (2X Type-C - 3X USB-A) Expansion Card,PCI Express X1 to USB 3.2 Gen1 5Gbps Hub Add on Card,Support Windows 10/8/7/XP and MAC OS 10.8.2 Above
PCIe to 5 Port USB 3.0 (2X Type-C - 3X USB-A) Expansion Card,PCI Express X1 to USB 3.2 Gen1 5Gbps Hub Add on Card,Support Windows 10/8/7/XP and MAC OS 10.8.2 Above
  • Type: PCI Express to USB Card
  • Model #: PCE2USB-AS2
  • Item #: 9SIACJF54C2866
  • Return Policy: View Return Policy
Limited Time Offer
$29.99
Free Shipping
79
SYBA SY-PEX30016 3 Port IEEE 1394 Firewire 2x 1394B & 1x 1394A PCIe 1.1 x1 Card TI XIO2213B Chipset
SYBA SY-PEX30016 3 Port IEEE 1394 Firewire 2x 1394B & 1x 1394A PCIe 1.1 x1 Card TI XIO2213B Chipset
  • Type: PCI Express to 1394 Card
  • External 1394 Ports: 2x 1394b (9-pin, Bi-lingual) 1x 1394a (6-pin)
  • Standard: 1394A/1394B
  • Data Transfer Rate: 800/400/200/100 Mbps
  • Model #: SY-PEX30016
  • Item #: 9SIC1ANKHT9124
  • Return Policy: View Return Policy
$32.00
Free Shipping

Works great right out of the box with all of my different Linux distros that I run on my HTPC. I can boot from 4 different SSD drives or 6 different fibre channel drives on an external array and all of my distros and Windows 7 Ultimate 64 recognizes the firewire and can access my Hitachi firewire drives and firewire cameras.

80
StarTech Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel Port (DB25), PCI Adapter Expansion Card
StarTech Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel Port (DB25), PCI Adapter Expansion Card
  • Type: Parallel Combo Card
  • Package Contents: 2S1P PCI Serial Parallel Combo Card with 16C550 UART 1 x Full-Profile Bracket 2 x Low-Profile Brackets (for Serial Ports) 1 x Low-Profile Bracket (for Parallel Port) 1 x Quick-Start Guide
  • Model #: PCI2S1P2
  • Item #: N82E16815158479
  • Return Policy: 30-Day Return Policy
$38.99
Free Shipping