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SIIG 3-port Firewire Adapter
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SIIG 3-port Firewire Adapter
  • External USB Ports: PCI
  • Parts: Lifetime
  • Labor: Lifetime
  • Model #: NN-400012
  •  
  • $34.08 –
BestParts 10Gbps Dual USB Type-A Card 8K32C MFF Desktop Workstation Expansion Port
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  • $114.99 –
  • $5.99 Shipping
SAS 9201-16I PCIe x8 to 16 Port SFF-8087 6Gb/s Expansion Card
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  • $317.99 –
  • Free Shipping
D-Link High Speed USB 2.0 2-Port PCI Adapter Model DUB-A2
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D-Link High Speed USB 2.0 2-Port PCI Adapter Model DUB-A2
  • Type: PCI to USB Card
  • External USB Ports: 2x USB Ports
  • Standard: USB Specification Version 2.0 / 1.1 / 1.0 OHCI 1.1 (Open Host Controller Interface) EHCI .95 (Enhanced Host Controller Interface)
  • Data Transfer Rate: 480/12/1.5 Mbps
  • Model #: DUB-A2
  •  
  • $15.00 –
Silverstone Tek Server-Grade HBA 9211-8i Expansion Card with Dual SFF8087 Connectors ECS02
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  • $297.99 –
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For PCI-8335 MXI-3 communication card PCI interface, control equipment
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  • $333.00 –
  • $5.00 Shipping
For PCI-1240U REV. A1 4-axis u versal PCI stepper/pulse control card
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  •  
  • $217.00 –
  • $5.00 Shipping
For PCI-1734 32-way isolated digital output card isolated PCI-1734 REV. A1
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  •  
  • $145.00 –
  • $5.00 Shipping
Dell Power Edge 6650 Memory Riser Board
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  •  
  • $40.00 –
eShinreal 24-Port 12G SAS Expansion Card-SAS35X36
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eShinreal 24-Port 12G SAS Expansion Card-SAS35X36
  • Type: Controller Card
  • Model #: EXC SAS35X36-24I
For RR1U-E8 1510G3 NF130D2 1U Adapter Card PCI-E Adapter Card
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  • $29.00 –
  • $5.00 Shipping
For PCI SDLC REV.03A communication Card industrial Control Card
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  • $116.00 –
  • $5.00 Shipping
BELKIN PCI to USB/1394 Card Model F5U508
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BELKIN PCI to USB/1394 Card Model F5U508
  • Type: PCI to 1394 / USB Card
  • External USB Ports: 2x USB Ports
  • Internal USB Ports: 1x USB Port
  • External 1394 Ports: 2x 1394 Ports
  • Model #: F5U508
  •  
  • $86.00 –
4 Port M.2 NVMe SSD to PCIe x16 Adapter Card, 32Gbps
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  • $43.99 –
  • $5.99 Shipping
ThinkSystem 430-8i SAS/SATA 12Gb HBA Card
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ThinkSystem 430-8i SAS/SATA 12Gb HBA Card

Limited time offer, ends 10/25

  • Model #: C7FK-OYS-2026.7.28-629
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  • $97.99 –
  • Free Shipping
Dell / Intel XYT17 // X520-DA2 10GB FH Network Adapter SFP+
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DELL
Refurbished Dell / Intel XYT17 // X520-DA2 10GB FH Network Adapter SFP+
  • Brand: Intel
  • Series: X520-DA2
  • Model: X520-DA2
  • Type: PCI Express to Ethernet Port Card
  • Model #: 7b3-825989000292920
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  • $61.99 –
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ThinkSystem 430-8i SAS/SATA 12Gb HBA Card
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ThinkSystem 430-8i SAS/SATA 12Gb HBA Card

Limited time offer, ends 10/25

  • Model #: C7FK-OYS-2026.7.28-158
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  • $97.99 –
  • Free Shipping
ThinkSystem 430-8i SAS/SATA 12Gb HBA Card
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ThinkSystem 430-8i SAS/SATA 12Gb HBA Card

Limited time offer, ends 10/25

  • Model #: C7FK-OYS-2026.7.28-900
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  • $97.99 –
  • Free Shipping
ThinkSystem 430-8e SAS/SATA HBA Card
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ThinkSystem 430-8e SAS/SATA HBA Card

Limited time offer, ends 10/25

  • Model #: C7FK-OYS-2026.7.28-924
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  • $197.99 –
  • Free Shipping
For SST-8P 8-port u versal PCI adapter SST multi-serial card
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  • $116.00 –
  • $5.00 Shipping
Dell YNDM8 X16 PCIe Mezzanine Card for Poweredge FC640
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  • $37.00 –
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eShinreal  PCIe3.0 x4 to 5 ports SATA 6Gb/s Expansion Card
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  • $41.00 –
  • $16.00 Shipping
XMSJSIY PCIe to USB A 3.0 Type-C Expansion Card
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  • $47.99 –
  • $5.99 Shipping
Dual MCIO 8I to 2* PCIe5.0 x16 Slot Riser Card with ATX 2 * 3 pin GPU Power Connector
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  • $368.99 –
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DELL 62Yvh 2 Slot Pci Riser Card For Optiplex Gx240 260
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  • $35.00 –
For Softing  -AC2-PCI  -AC2-I/HW V1.01  dual-port communication card
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  • $1,261.00 –
  • $5.00 Shipping

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