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HP 617824-001 SC08e 6GB 2 Port Controller 615242-001, 614988-B21
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  • $80.00 
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HP NC542M Dual PORT-10 10GbE BLC Nic Adapter 539857-B21 539933-001 539855-001
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  • $90.00 
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441833-001 441357-001 HP BLC3000 INTERLINK MODULE
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  • $26.00 
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PCIE Riser PCI Express X16 to U.2 SFF8639 Adapter NVMe SSD Expansion Card U.2 SAS SSD SATA 7+15 SSD 2.5-Inch Solid State
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  • $49.89 
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JL079A HP Aruba 3810M 2QSFP+ 40GbE Module JL079-61001 w/90 days WRTY >6pcs avail
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  • $205.00 
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HP A-MSR 16-Port ASYNC Serial Interface Module JG186A
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  • $184.00 
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HP J8752A Procurve 7102dl Secure Router J8752-69101
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  • $46.00 
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HPE J9051A Procurve Wireless Edge Services Zl Module.
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  • $133.00 
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Ibm 49Y7970 49Y7970-Ao 5462-Ac1 X3650 M5 7148-Ac1 X3690 X5 Dual Port 10Gb Rj-45
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  • $135.00 
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Vszerda U.2 U2 Kit SFF-8639 to PCI-E 3.0 x4 Lane Host Adapter for Intel Motherboard & 750 NVMe PCIe SSD
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  • $23.18 
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Add On Card Controller SATA 3 PCIE SATA3 PCIE/PCI-E SATA Card/Expansion/Multiplier PCI Express SATA Port Marvell 88SE9125
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  • $45.79 
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Vszerda 4 Port PCI-E 1X to 4 USB 3.0 HUB PCI Express Expansion Card Adapter with 80/120mm PCI-E Slot Bracket
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  • $28.29 
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PCI-Express PCIe 1 to 4 PCI express 16X slots Riser Card PCI-E 1X to External 4 slot Adapter PCIe Port Multiplier for Mining
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  • $47.59 
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Vszerda 2 Port PCI-E 1X to 2 USB C HUB PCI Express Expansion Card Adapter with 80/120mm PCI-E Slot Bracket with Extra SATA Power
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  • $26.18 
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Motherboard Mini PCI Express to Dual USB 3.0 20-pin Expansion Card Adapter,Mini PCIe PCI-e to 2 ports USB 3.0 w/ SATA power
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  • $19.28 
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PCI Express Expansion Card, 10Gbps USB 3.2 Gen 2 5-Port Front Expansion Card, Connect5 Devices Expanded - (3X USB C - 2X USB A)
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3 in 1 NGFF and MSATA SSD Adapter Card M.2 NVME to PCIe 16X/M.2 SATA SSD to SATA III to SATA Converter+2 SATA Cable
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  • $28.59 
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6 Ports PCI-E to USB 2.0 Expansion Card 9pin Internal USB Header Desktop Express Card with 15 Pin SATA Power Connector
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  • $42.69 
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IBM Mellanox ConnectX-3 Dual Port 10GB SFP Network Card 00D9692 Full Bracket
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IBM Mellanox ConnectX-3 Dual Port 10GB SFP Network Card 00D9692 Full Bracket
  • Parts: 30 days warranty
  • Labor: 30 days warranty
  • Model #: 72270-A
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  • $240.00 
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Super Speed 7 Port USB 3.0 PCI-E Express Card With A 15 Pin SATA Power Connector PCIE Adapter
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  • $38.89 
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PCI express to 6 Ports SATA Controller SATA 3 III 3.0 6Gbps to PCI-e x1 Card Adapter PCIe SATA3 Expansion Card Riser For Windows
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  • $40.89 
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PCIE 4-Port M.2 NVEM SSD Expansion Card Computer Motherboard Solid State Drive Expansion Card
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  • $39.88 
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PCIe 1 to 4 PCI-express 16X slots Riser Card PCI-E 1X to External 4 PCI-e USB 3.0 Adapter Multiplier Card for Bitcoin Miner
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Mini PCIe 1 to 3 PCI express 1X slots Riser Card Expansion adapter Mini ATX Laptop to PCI-e Port Multiplier
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  • $49.09 
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PCIe 1 to 4 PCI-express 16X slots Riser Card PCI-E 1X to External 4 PCI-e USB 3.0 Adapter Multiplier Card for Bitcoin Miner
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PCIe to USB 3.0 7-Port PCI Express Expansion Card PCI-E USB3.0 Hub with Molex Power Connector Support UASP Windows 10,8.1,8,7,XP
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  • $53.49 
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M.2 NVME to PCIE Adapter M+B Key NGFF SSD to PCI-E 3.0 X4 SATA for Expansion Card Household Computer Accessories
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Vszerda Oculink to PCIe 4.0 X16 Adapter 2 Port SFF-8611/8612 8i to PCI Express Expansion Card Adapter with 8cm/12cm Slot Bracket
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  • $58.18 
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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:

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