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SYBA 2 Serial 1 Parallel PCI-e Controller Card with Low Profile Brackets Model SI-PEX50054
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SYBA 2 Serial 1 Parallel PCI-e Controller Card with Low Profile Brackets Model SI-PEX50054
  • Type: PCI Express to Parallel / Serial Port
  • External Ports: 2 x Serial Ports + 1 x Parallel Port
  • Weight: 1
  • Package Contents: PCI-e Multi I/O Card Full Size Bracket for 2 Serial Ports Full Size Bracket for 1 Parallel Port Low Profile Bracket for 1 COM Port Low Profile Bracket for 1 Parallel Port User Manual Driver Mini CD
  • Model #: SI-PEX50054
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
  • 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
Legacy Mini-PCIe Wi-Fi Card for Intel | 7265 Half Mini PCIe Network Card | 867 Mbps with Bluetooth 4.0 Support | HMC WLAN Replacement Part 7265.HMWG Wi-Fi Card 7265HMW
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  • $22.55 
  • Free Shipping
VisionTek Connect Series USB 3.0  2-port PCIe Small Form Factor host adapter card -900598
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VisionTek Connect Series USB 3.0 2-port PCIe Small Form Factor host adapter card -900598
  • Type: PCI Express to USB Card
  • External USB Ports: 2x USB Ports
  • Weight: 0.35
  • Model #: 900598
Mellanox ConnectX-6 VPI 100Gigabit Ethernet Card MCX653106AECATSP
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7 Ports PCI-E to USB 3.2 HUB(2X USB C - 5X USB A 3.2) PCI Express Expansion Card Adapter 10Gbps for Motherboard
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  • $56.29 
  • Free Shipping
Sonnet Allegro USB 3.1, Two-Port USB-C 10Gb PCIe Card (USB3C-2PM-E)
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  • $117.80 
  • Free Shipping
SYBA PCI-Express 2-Port DB9 Serial (RS-232) Card Model SI-PEX15055
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SYBA PCI-Express 2-Port DB9 Serial (RS-232) Card Model SI-PEX15055
  • Type: PCI Express to Serial Port Card
  • External Ports: PCI-Express
  • Internal Ports: 2 x DB9 Serial (RS-232)
  • Data Transfer Rate: up to 115200bps/port
  • Model #: SI-PEX15055
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  • $70.42 
  • Free Shipping
PCIe 3.0 to USB 3.2 Type C Type E 19/20pin Expansion Card 10 Gbps giyqxHw
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PCIe 3.0 to USB 3.2 Type C Type E 19/20pin Expansion Card 10 Gbps giyqxHw
  • Type: Mini PCI Express to PCI Express
  • Model #: KZK-PH68-PF
M.2 NGFF / Key E Card to mPCIe (PCIe+USB) Adapter For Laptop Desktop mPCIe slot
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M.2 NGFF / Key E Card to mPCIe (PCIe+USB) Adapter For Laptop Desktop mPCIe slot

Limited time offer, ends 05/23

  • Type: Mini PCI Express to Mini PCI Express
  • External USB Ports: 1x USB Port
  • Model #: 10813033
Linkreal PCIe to USB3.1 Type C + Type A Expansion Card Superspeed 10Gb/s for PC desktops
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Linkreal PCIe to USB3.1 Type C + Type A Expansion Card Superspeed 10Gb/s for PC desktops
  • Type: PCI Express to USB Card
  • External USB Ports: 2 Port
  • Internal USB Ports: 2x USB Ports
  • External Ports: 2 port USB 3.0
  • Model #: LRSU9A42-AC
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  • $28.92 
  • $20.00 Shipping
StarTech.com 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART Model PEX4S553
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StarTech.com 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART Model PEX4S553
  • Type: PCI Express to Serial Port Card
  • External Ports: 4 x Serial Ports
  • Operating Systems Supported: Windows XP(32/64bit)/ Vista(32/64bit)/ 7(32/64bit) Windows Server 2003(32/64 bit), 2008 R2 Linux
  • Dimensions: 0.75" x 4.72" x 5.12"
  • Model #: PEX4S553
Vantec 5-Port USB 3.2 Gen2x2 (20Gbps) with 2C and 3A PCIe Host Card (UGT-PC3A2C), Full Height
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  • $129.99 
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USB-C 3.1 PCI Express card with 20 Pin Key-A connector
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USB-C 3.1 PCI Express card with 20 Pin Key-A connector
  • Type: PCI Express Controller Card
  • Model #: ECU02-E
  •  
  • $65.81 

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:

Jason
9/20/2025 5:16:14 PM
Not bad at all

“ Recommended sure. If I had a add farm this is a great value and it's not bad looking. ”

Quad M.2 NVMe to PCIe 16x Adapter, RIITOP 4 Port NVMe SSD Slot Converter to PCI-e 4.0 x16 Host Controller Expansion Card Adaptor High Speed 4x32Gbps For M Key NVMe SSD (PCI-e Bifurcation Required)
Anonymous
2/26/2025 2:59:28 PM
Too easy

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

USB C PCIe Card,PCI-Express 4X to Type C USB 3.2 Gen 2 (10 Gbps) 2-Ports Expansion Card with Asmedia Chipset ASM3142 (Dual Type C) for Windows 7/8/10/Linux/MAC OS - Full & Low Profile Slot Bracket
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
Matthew W.
6/10/2023 7:37:42 AM
Easy way to add fast storage to Dell Precision Workstation

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

ASUS Hyper M.2 x16 PCIe 3.0 x4 Expansion Card V2 supports 4 NVMe M.2 (2242/2260/2280/22110) up to 128 Gbps for Intel VROC and AMD Ryzen Threadripper NVMe RAID