• In Stock
  • Sold by Newegg
  • Make an Offer
  • New
Brands
Show More
Price
Show More
Type
Show More
External USB Ports
Show More
Thunderbolt 3
External 1394 Ports
Sold by
All Top Brands
Availability
Condition
Current Promotion
Discount
Useful Links
Customer Ratings
  • Featured Brands

    See Deals from Rosewill
Sort By:
View:
Vszerda PCIe 16x Riser Card,PCI-e Express 3.0 16X Male to Female Extension Card for GPU Graphics Card(180Degree 2.2CM Height)
Quick View
  •  
  • $28.99 
  • Free Shipping
Add on Cards PCI Express/PCI E/PCIE/PCI-E SATA 3 PCIE SATA Card SATA Controller SATA3 6Gbps 5-Ports SATA 3.0 PCI-E X4 GEN3 Cards
Quick View
  •  
  • $45.99 
  • Free Shipping
Aomoproing PCI-E To 4 Ports SATA 3.0 ESATA PCIE SATA3 6Gbps Expansion Card PCI-E Adapter
Quick View
  •  
  • $10.98 
  • Free Shipping
PCI e SATA Adapter PCI e to SATA 3.0 RAID 4 port Adapter expansion Card controller SATAIII PCI e PCI express x4 Converter
Quick View
  •  
  • $101.98 
  • Free Shipping
GOLDEN BLUE SD Card to Mini PCI-E Interface Port Adapter Mini PCI Express SSD SD Card Converter for Laptop Netbook
Quick View
  •  
  • $34.34 
  • Free Shipping
CERRXIAN M.2 NGFF to PCI-e 16x Graphics Riser Card,90 Degree Right M.2 NGFF Key to PCI-Express 16X Extension Cable
Quick View
  •  
  • $57.98 
  • Free Shipping
JAENFONG PCIe 1 to 3 PCI Express 1X Slots Riser Card Mini ITX to External 3 PCI-e Slot Adapter PCIe Port Multiplier Card
Quick View
  •  
  • $64.09 
  • Free Shipping
Vszerda PCI-e Express 1X Riser Extender Extension Card with 20CM High Speed Flex Cable
Quick View
Vszerda PCI-e Express 1X Riser Extender Extension Card with 20CM High Speed Flex Cable

Limited time offer, ends 06/02

  • Brand: Sintech
  • Part Number: ST8015
  • Features: PCI express video card, PCIe card
  • Weight: 0.023 kilograms
  • Model #: ST8015N12
  •  
  • $27.99 
  • Free Shipping
7-Port USB 3.0 PCI-e Expansion Card + 4-Port USB 3.0 PCIe Adapter
Quick View
  • $83.69 - $85.69
M.2 PCI express adapter NVMe 2280 SSD M.2 m key NGFF to PCI express X4 adapter M2 PCI-e converter Card with Heat sink heatsink
Quick View
  •  
  • $38.98 
  • Free Shipping
Dual Port Serial Industrial DB9 COM RS232 PCIe X1 Card for Desktop PC with Low Bracket Moschip MCS9922 SD-PEX15022
Quick View
  •  
  • $52.99 
  • Free Shipping
4 Port USB 3.0 PCI-E Expansion Card PCI Express PCIe USB 3.0 HUB Adapter 4-Port USB3.0 Controller USB 3 0 PCI e PCIe Express 1X(B)
Quick View
  •  
  • $45.06 
  • Free Shipping
SATA expansion card Adapter port multiplier SATA 3 Controller Card Motherboard SATA 3.0 III 6Gbps 1 to 5 port multiplier card
Quick View
  •  
  • $77.88 
  • Free Shipping
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
Quick View
  •  
  • $37.99 
  • Free Shipping
Sunix 4-Port USB 3.0 PCI-E USB4300NS USB-IF Certified TID 350000211
Quick View
Sunix 4-Port USB 3.0 PCI-E USB4300NS USB-IF Certified TID 350000211

Limited time offer, ends 05/23

  • Model #: 634647079039
Vszerda PCI-E Express X1 to Dual PCI Riser Extender Card with Low Profile Bracket
Quick View
  •  
  • $43.89 
  • Free Shipping
Vszerda USB-C 3.2 Gen 2x2 Type-C 20 Gbps PCI-e Gen 3 x4 Expansion Card SATA Powered ASMedia ASM3242
Quick View
  •  
  • $45.99 
  • Free Shipping
DIY ATX Case Graphics Cards Stand PCI-E External Built-in Kickstand Mounting Bracket for PCIE x1 x4 x16 Riser Cable R L Version
Quick View
  •  
  • $30.19 
  • Free 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:

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