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3X PCI-E to PCI Adapter Card PCIE to 2 PCI Slot Support Capture Card Golden Tax Card Sound Card Parallel Port Card
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  • $100.99 –
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Vszerda USB 3.1 Gen II 10Gbps 2-Port Full-Duplex Controller X4 Slot Card Type-C and Type-A Ports Components Other SI-PEX20189
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  • $37.99 –
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PCI-e 3.0 16X to 4 Ports PCIe 4X/16X Expansion Card,PCIe Bifurcation x16 to x4x4x4x4 Split Card with SATA Power Port
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  • $69.35 –
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M2 pcie adapter adapter PCI e M.2 NVME M Key 2280 SSD controller M.2 ssd pcie converter PCI express to M2 adapter with heatsink
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  • $49.69 –
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CERRXIAN M.2 NGFF to PCI-e 16x Graphics Riser Card,90 Degree Right M.2 NGFF Key to PCI-Express 16X Extension Cable
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  • $58.68 –
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PCIE 4.0 Extension Cable, Black 16x Shielded High Speed GPU Riser Cable with PCI Express Port for GPU Extension Card,
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  • $62.39 –
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NFHK 7 Ports PCI-E to USB 3.0 HUB PCI Express Expansion Card Adapter 5Gbps for Motherboard
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  • $56.39 –
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Sintech PCI-e 3.0 16X to 4 Ports PCIe 4X/16X Expansion Card,PCIe Bifurcation x16 to x4x4x4x4 Split Card with SATA Power Port
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  • $67.69 –
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HOOCCC P2A PCIe 4.0 x16 to Dual x8 Split Card, Gen4 Bifurcation Riser with Clock Chip, 6-Layer PCB 5µm Gold Plated, SATA/4-Pin Power, Low-Profile for Dual GPUs NVMe SSDs
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HOOCCC P2A PCIe 4.0 x16 to Dual x8 Split Card, Gen4 Bifurcation Riser with Clock Chip, 6-Layer PCB 5µm Gold Plated, SATA/4-Pin Power, Low-Profile for Dual GPUs NVMe SSDs
  • Brand: HOOCCC
  • Series: Adapter Card
  • Type: PCI Express Controller Card
  • External USB Ports: PCI Express
  • Model #: P2A-4PIN
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  • $42.99 –
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Sintech PCI-e 3.0 16X to 4 Ports PCIe 4X/16X Expansion Card,PCIe Bifurcation x16 to x4x4x4x4 Split Card with SATA Power Port
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  • $68.29 –
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SUNIX 2-port RS-232 Universal PCI Serial Board Model SER5037A
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SUNIX 2-port RS-232 Universal PCI Serial Board Model SER5037A

Limited time offer, ends 10/24

  • Type: PCI to Serial Port Card
  • Specifications: Serial Communication -Interface: RS-232 -Controller: SUNIX SUN1989 (16C950 UART Compatible) -Bus: Universal PCI 64/32bit 3.3V/5V PCI Ver 3.0, 2.3, 2.2, 2.1 -No. of Port: 2-port -IRQ & IO: Assigned by System -FIFO: 128 byte (Hardware) -Signal: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND, RI -Baud rate: 50 bps to 115.2 Kbps -Data bit: 5,6,7,8 -Stop bit: 1,1.5,2 -Parity: None, Even, Odd, Space, Mark -Flow Control: None, Xon/Xoff, RTS/CTS -Protection: +/-2KV ESD protection for each signal Human Body Model (HBM) -PCB connector: DB9 Male Driver Support -Windows Client: XP/Vista/7/8/8.1 (X86/X64) -Windows Server: 2000 / 2003 / 2008 / 2008 R2 / 2012 / 2012 R2 (X86/X64) -Windows Embedded: Windows CE 4.2/5.0/6.0 XP Embedded / POSReady 2009 / POSReady 7 / Embedded System -Linux: Linux 2.4.x / 2.6.x / 3.x -DO...
  • Model #: SER5037A
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  • $139.96 –
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2 Digit LCD Display PC computer analyzer motherboard PCI diagnostic card computer post tester for desktop pc
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  • $12.99 –
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ciciglow High Speed TypeC PCIE Expansion Card for Desktop PC System Support for
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  • $72.99 –
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PCI-E 3.0 M.2 M-Key to Oculink SFF-8612 SFF-8611 Host Adapter for ThinkBook 14+ External Graphics Card & SSD
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  • $54.99 –
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MZHOU PCI-E to PCI-E Adapter Card PCI-E 1X to 4X PCIe USB3.0 Converter Extender Adapter Card Expansion Kit for Windows Linux Mac
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  • $91.09 –
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Chi a Mining Riser 10 Port PCIE SATA Card PCI Express SATA Controller PCIE to SATA3 Expansion Card PCI E X4 SATA 3 6Gbps ASM1166 Grey
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  • $35.73 –
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PCI-E 3.0 x16 1 to 4 Split Card Gen3 PCIe-Bifurcation x16 to x4x4x4x4 Expansion Card 20.2mm Spaced Slots SATA Power Supply Port
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  • $70.27 –
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10-Port PCIe SATA 3.0 Expansion Card, x1 Lane with 10 SATA Data Cables, Supports 6Gbps SSD/HDD Storage Upgrade for Desktop PC
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U.2 to PCIE Expansion Card,SFF 8639 to PCIE 3.0 x4 Riser Card,PCI-E 3.0 X4 SATA Adapter,for 2.5" U.2 NVME SSD and 2.5" SATA SSD.
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Giving a computer additional capabilities requires fitting the computer with an add-on card, also called an expansion card, interface card or just plain card. Expansion controller cards have sockets that connect to conductors carrying data within the system. The connector you use depends on the card and computer. Cards provide communications interfaces, extra memory, video sound I/O capabilities, system interfaces for discs or tape backup devices and additional processors in general. Controller cards are an excellent example of an add-on card because the card acts as an interface for the motherboard, and other computer components like HDD, optical drives and keyboards. Add-on cards are suitable for use with printers and other devices in office environments.

Add-on Cards Improve Audio for Gaming, Movies and Music

Having a computer with a dynamite sound card or audio system makes gaming, watching movies and listening to music a lot more enjoyable and immersive. The sound card is an add-on card that facilitates each audio component, including multimedia applications such as music composition, presentations, audio editing and entertainment. Most PCs offer a standard sound experience, and improving the audio quality is simple with sound card accessories. Some standard accessories in the collection are USB audio interfaces, high-performance headphone amplifiers and virtual 7.1 channel surround sound systems. You can also add parallel printer cards to increase or upgrade the system.

PC Game Controllers Raise the Full Immersion Experience

Kicking your gaming to a whole new level of experience necessitates selecting a PC game controller that mirrors the gear handled in real-life situations. Some players feel comfortable using straightforward game controllers, like racing wheels or flight joysticks. Those who want the ultimate experience with full immersion in their favorite game need to consider empowering their system's performance. With the introduction of more elaborate controllers, such as VR headsets, rudder pedals, pro racing wheel stands and flight simulation, the upside is the new controllers require no new add-on cards. Plug the game controller USB cable into your system and Windows® 10 will detect it, and you are set up. Being immersed in your gaming scenario means using suitable PC game controllers. The performance will leave you feeling like you just flew a plane or raced a car like a professional, without leaving your house. As you track your statistics and see how much your game scores improve, empowering your system with quality PC controllers will prove worthwhile.

VR Accessories Possibilities Are Endless

Distinguishing the many uses of Virtual Reality (VR) accessories goes beyond gaming. Many fields in the educational and business community utilize VR accessories for vocational training, engineering and designing. The accessories begin with headsets, cables, connectors, 3D glasses, Bluetooth® remote controls and carrying cases. Some accessories come as a bundle, so you have gear and hardware upgrades like controller cards. Once the equipment is in place, you can begin gaming, training or virtual conceptualizing with high efficiency. The possibilities for you to produce and discover using the VR equipment and software are endless.

Bestselling Add-On Cards Reviews:

michael p.
7/3/2026 9:46:15 PM
Works great.

“ For those who don't know, you can put any size PCIE addon card from x1 to x16 into a PCIE x16 slot and it will work just fine. ”

EN-Labs USB C Motherboard Header PCIe Card, USB 3.2 20Pin Internal Connector PCI Express Card for Front Panel, USB 10Gbps Type-E A-Key & USB 2.0 Type-A Female Expansion Card with Full-Profile Bracket
Yung C.
7/27/2023 6:03:02 PM
Well made card with some frustration during installation

“ Better construction and heat distribution then the more expensive Dell add on card. ”

ASUS HYPER M.2 X16 Gen 4 Card, PCIe 4.0/3.0 to 4 x M.2 NVMe Slots, Up to 256 Gbps