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In Add-On Cards

Our most popular products, based on sales and updated frequently.
81
4 Ports USB 3.0 Type-A PCIe Expansion Card 5Gbps NEC Chipset, RIITOP PCI-E x1 to USB 3.0 Adapter Card on Desktop PC Computer for Win 11/10 (No Additional Power Required)
4 Ports USB 3.0 Type-A PCIe Expansion Card 5Gbps NEC Chipset, RIITOP PCI-E x1 to USB 3.0 Adapter Card on Desktop PC Computer for Win 11/10 (No Additional Power Required)
  • Type: USB3.0 expansion card
  • External USB Ports: 4-port USB 3.0
  • Model #: PCET4U3N-HT
  • Item #: 9SIARE9KBC9895
  • Return Policy: View Return Policy
Limited Time Offer
$23.99
Free Shipping

No issues once everything was installed

83
StarTech.com PEX1S1P950 PCIe Card with Serial and Parallel Port - PCI Express Combo Adapter Card with 1x DB25 Parallel Port & 1x RS232 Serial Port - Expansion/Controller Card - PCIe Printer Card
StarTech.com PEX1S1P950 PCIe Card with Serial and Parallel Port - PCI Express Combo Adapter Card with 1x DB25 Parallel Port & 1x RS232 Serial Port - Expansion/Controller Card - PCIe Printer Card
  • Type: PCIe Card with Serial and Parallel Port
  • External Ports: DB-25 (25 pin, D-Sub) DB-9 (9 pin, D-Sub)
  • Standard: PCI Express x1
  • Model #: PEX1S1P950
  • Item #: N82E16815158473
  • Return Policy: 30-Day Return Policy
Save 27%
$46.99
$64.99
$7.02 Shipping
86
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
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
  • Item #: 9SIA6ZPKSB9248
  • Return Policy: View Return Policy
Save 8%
$124.96
$136.31
87
5-Port USB PCIe Card, 10Gbps USB 3.1 Gen 2 PCIe Card w/ 1x USB-C & 2x USB-A, 1x 2 Port IDC (Internal 5Gbps USB Header Expansion), USB C PCIe Card, PCI Express USB Controller - Windows/macOS/Linux (PEX
5-Port USB PCIe Card, 10Gbps USB 3.1 Gen 2 PCIe Card w/ 1x USB-C & 2x USB-A, 1x 2 Port IDC (Internal 5Gbps USB Header Expansion), USB C PCIe Card, PCI Express USB Controller - Windows/macOS/Linux (PEX
  • Type: USB 3.2 (10 Gbps) PCIe Card
  • External USB Ports: 2 x USB 3.2 Gen 2x1 USB Type-A (9 pin, 10 Gbps) 1 x USB 3.2 Gen 2x1 USB Type-C (24 pin, 10 Gbps)
  • Internal Ports: 1 x IDC (20 pin, USB 3.0, Motherboard Header) 1 x SATA Power (15 pin)
  • Standard: Industry Standards: PCI Express Base Specification Rev. 3.0 USB 3.2 Specifications UASP (USB Attached SCSI Protocol) Rev. 1.0
  • Model #: PEXUSB312A1C1H
  • Item #: N82E16815158475
  • Return Policy: 30-Day Return Policy
Save 30%
$61.99
$88.99
$7.02 Shipping

Build quality High Speed Works great

91
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
$231.59
$233.69
$29.99 Shipping
92
4 Port USB 3.0 PCIe Card 5Gpbs, RIITOP PCI-e to USB3.0 Expansion Adapter Card Controller, Low Profile Bracket, for Windows 11, 10, 8.x, 7, Vista, XP Desktop PCs
4 Port USB 3.0 PCIe Card 5Gpbs, RIITOP PCI-e to USB3.0 Expansion Adapter Card Controller, Low Profile Bracket, for Windows 11, 10, 8.x, 7, Vista, XP Desktop PCs
  • Type: USB3.0 expansion card
  • Model #: PCET4U3NEC-S
  • Item #: 9SIARE9K6S4387
  • Return Policy: View Return Policy
Limited Time Offer
$21.99
Free Shipping
93
Asus Thunderboltex 3 Thunderbolt/Usb Adapter
Asus Thunderboltex 3 Thunderbolt/Usb Adapter
$73.88
Free Shipping
94
QNAP QM2-2P10G1TB Dual M.2 2280 PCIe NVMe SSD & 10GbE Expansion Card
QNAP QM2-2P10G1TB Dual M.2 2280 PCIe NVMe SSD & 10GbE Expansion Card
  • Type: PCIe NVMe SSD
  • Part Number: QM2-2P10G1TB
  • Model #: QM2-2P10G1TB
  • Item #: 9SIC4NEKSU1561
  • Return Policy: View Return Policy
$396.90
Free Shipping
95
QNAP QM2 SERIES, 2 X PCIE 2280 M.2 SSD SLOTS, PCIE GEN3 X 4 , 2 X INTEL I225LM 2.5GBE NBASE-T PORT PCIE GEN3X4 2XINTEL I225LM 2.5GBE
QNAP QM2 SERIES, 2 X PCIE 2280 M.2 SSD SLOTS, PCIE GEN3 X 4 , 2 X INTEL I225LM 2.5GBE NBASE-T PORT PCIE GEN3X4 2XINTEL I225LM 2.5GBE
  • Type: PCI Express 3.0 x4 to M.2 Card
  • External Ports: 2 x 2.5GbE RJ-45
  • Internal Ports: 2 x M.2 2280 PCIe (Gen3 x2) NVMe SSD slots
  • Dimensions: 2.71" x 6.01" x 0.81"
  • Model #: QM2-2P2G2T
  • Item #: 0D9-00WT-00001
  • Return Policy: 30-Day Return Policy
$193.99
Free Shipping
96
SYBA 8" Molex 4-pin Male to 15-pin SATA Power Cable Model SY-PWCB-SATA
SYBA 8" Molex 4-pin Male to 15-pin SATA Power Cable Model SY-PWCB-SATA
  • Type: PCI to SATA Card
  • Weight: 0.1
  • Model #: SY-PWCB-SATA
  • Item #: 9SIA3XW6JU4611
  • Return Policy: View Return Policy
$6.99
Free Shipping

I have ordered and used many of these cables in the past. It's a no-nonsense, simple cable in a plastic oem wrap that does the job with no fuss.

97
For RTL8723BE Wifi 300Mbps+Bluetooth 4.0 MINI PCI-E Card 753077-001 for 470 455 450 G2
For RTL8723BE Wifi 300Mbps+Bluetooth 4.0 MINI PCI-E Card 753077-001 for 470 455 450 G2
$12.99
Free Shipping
98
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
Free Shipping

Installed m.2, plugged it in the PCI slot and fires it up. Drive showed up no fuss. Windows 11.

99
SYBA SI-MPE40125 4 Port SATA III Mini PCI-e Expansion Card Marvel 9215 Chipset
SYBA SI-MPE40125 4 Port SATA III Mini PCI-e Expansion Card Marvel 9215 Chipset
  • Type: PCI Express Controller Card
  • External Ports: 4 x SATA III
  • Compatibility: Compatible with PCI-E Mini Card specification revision 1.2 Compliant with Serial ATA Specification 3.1 Supports communication speeds of 6.0 Gbps, 3.0 Gbps, and 1.5 Gbps
  • Package Contents: Mini PCI-Express to SATA Host Controller Card User Manual Sotware Driver CD SATA Cable
  • Model #: SI-MPE40125
  • Item #: N82E16815124184
  • Return Policy: 30-Day Return Policy
$27.99
Free Shipping

Adds 4 SATA ports through an otherwise hard to use Mini PCIe port. The card runs an option ROM on boot and shows you all the drives connected and at what speed. All my drives were immediately detected in Windows 10 with no further driver install needed. The card has onboard LEDs to show detection and activity for each individual port. In the box was 4 SATA cables and two Mini PCIe hold down screws.