- Home
- Computer Peripherals
- Gaming & Streaming Gear
- Add-On Cards
Add-On Cards
- 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
- Show More
- Customer Ratings
- & up
SHOP BY Type

- Type: PCI to 1394 / USB Card
- External USB Ports: 2-port USB 3.0
- Internal USB Ports: 2x USB Ports
- External Ports: 2 - USB 3.0 A (9 pin; SuperSpeed) Female
- Model #: PEXUSB3S2EI
- $50.99
- $47.99 –
- Save: 5%
- More options from $47.29 - $60.07
- Free Shipping

- Type: PCI to USB Card
- External USB Ports: 8x USB Ports
- Standard: USB 3.2
- Data Transfer Rate: Up to 10 Gbps
- Model #: E-PCIE24A4C3.2-4
- $67.99 –
- Free Shipping

- Type: PCI Express to M.2 Card
- Model #: 3#Q1105_B
- $16.99 –
- Free Shipping

- Type: PCI Express to USB 3.0 Card
- External USB Ports: 5 x USB 3.0 Ports
- Internal USB Ports: 1 x Internal USB 3.0 19-PIN Connector can work with USB 3.0 20-PIN Adapter to Achieve 2x USB 3.0 Hosts. (Note: USB 3.0 20-PIN Adapter is not included in Package)
- External Ports: 5 x USB 3.0 Ports
- Model #: PVU3-5O2I-V1
- $19.99 –
- More options from $19.20
- Free Shipping

- Type: Riser Card
- Compatibility: Supermicro SuperServer 5017R-WRF
- Specifications: Expansion Slots:2 x PCI Express 3.0 x16 Form Factor:2U Plug-in Card Host Interface:PCI Express x16
- Weight: 1
- Model #: RSC-R1UW-2E16
- $45.99 –
- $2.99 Shipping

Limited time offer, ends 08/26
- Model #: NV2SF-MU
- $19.99 –
- Free Shipping
- $19.00 - $19.99

- Type: PCI Express to Serial Port Card
- External Ports: 1 x Serial Port
- Operating Systems Supported: Windows 8 Windows 7 Vista Windows XP Windows ME Windows 98/98SE/98ME Server 2003 Server 2000(32bit Only) Linux Kernal 2.4 & 2.6 Mac 10.4 & Above
- Specifications: PCI Express: Fully Compliant with PCI Express Base Specification, Revision 1.0a PCIe Multi Function Peripheral Controller with x1 lane Interface Support for D1, D2, D3 Hot and D3 Cold Utilizes 100-MHz Differential PCI Express Common Reference Clock Support PCIe Power Management Serial Port: Four 16c450/550/Extended 550 Compatible UARTs Supports RS232 Modes Bi-directional Speeds from 50 bps to 16 Mbps/Port Full Serial Modem Control Supports Hardware, Software Flow Control 5, 6, 7, 8 and 9-bit Serial Format Support Support MODEM Modem Signals CTS, DSR, RI, DCD, th...
- Model #: SI-PEX15038
- $23.99 –
- Free Shipping

- Operating Systems Supported: Windows 8 Windows 7 XP Vista Windows Server 2003/2008/2012 Linux 2.6.27, 2.6.31, 2.6.32, 3.x.x and newer
- Weight: 1.01
- Package Contents: 1 x 4-port PCIe Serial Card 1 x 4-port Serial Octopus Cable 4 x Serial Adapters 1 x User Manual 1 x Driver CD 1 x Low Profile Bracket
- Model #: SI-PEX15042
- $45.99 –
- Free Shipping

- Model #: 8567457947
- $19.99 –
- Free Shipping

- Specifications: Micro SD TF Card 22pin SATA Adapter Converter Module Board 2.5" Hdd Enclosure
- Dimensions: 6.0x5.0cm/2.36x1.97in
- Weight: 20G
- Package Contents: 1 PACK
- Model #: NTRATFTSATA01C
- $15.98 –
- Free Shipping

- Model #: RNAB08BC11XW8
- $187.05 –
- More options from $135.75 - $187.05
- Free Shipping

- Model #: QW-79
- $14.95 –
- Free Shipping

- Brand: Dell
- Series: Precision 3930R
- Model: N49JC, 0N49JC
- Type: PCIe Card
- Model #: N49JC
- $34.99 –
- Free Shipping

- Brand: StarTech
- External Ports: Red
- Standard: Red
- Compatibility: Personal Computer
- Model #: P10Q4C-USB-CARD-LP
- $272.99 –
- More options from $272.99 - $289.10
- Free Shipping

- Type: PCI Express to M.2 Card
- External Ports: 2 x M.2 (PCIe, M-Key, AHCI/NVMe, NGFF)
- Internal Ports: 1 x PCI Express x8 Male 2 x IDC (2 pin, Motherboard Header)
- Data Transfer Rate: PCI Express 3.0 (8 Gbps)
- Model #: PEX8M2E2
- $183.46
- $179.23 –
- More options from $179.23 - $200.97

Limited time offer, ends 08/26
- Type: SATA Expansion Card
- Model #: NV-UT-6S
- $29.99 –
- Free Shipping
- $29.50 - $29.99

Limited time offer, ends 08/26
- Model #: PCET25G-2P-RT
- $49.99 –
- Free Shipping
- $49.50 - $49.99

- Brand: LetLinkSo
- Series: PCle to Oculink Adapter
- Type: PCIe to Oculink Adapter
- Standard: PCIe 4.0
- Model #: LLS-CD-1PC1OC-01
- $22.99 –
- Free Shipping

- Model #: GODS1A
- $19.99 –
- Free Shipping

- $119.00 –
- $12.00 Shipping

- Model #: DZ-ZHT-118
- $13.40 –
- Free Shipping

- Type: PCI Express to M.2 Card
- External Ports: PCI-E
- Internal Ports: M.2
- Model #: 3#Q1104_B
- $16.99 –
- Free Shipping

- Type: PCI to USB Card
- External USB Ports: 4x USB Ports
- Internal USB Ports: 1x USB Port
- Internal Ports: 2 - 9 pin IDC (Motherboard Header) Male
- Model #: PCIUSB7
- $32.99 –
- $1.99 Shipping

Limited time offer, ends 09/18
- Model #: UC-087-4P
- $29.18 –
- Free Shipping

Limited time offer, ends 09/18
- Model #: 279846358
- $22.19 –
- Free Shipping

Limited time offer, ends 08/31
- Model #: C24W-X5846
- $33.89
- $31.69 –
- Save: 6%
- Free Shipping

- Type: PCI Express to Serial Port Card
- External Ports: 2 x DB-9 (9 pin, D-Sub) Male
- Internal Ports: 1 x LP4 (4 pin; Large Drive Power) Male Input 1 x PCI Express x1 Male
- Operating Systems Supported: Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016 Linux 2.4.x to 2.6.x LTS Versions only
- Model #: PEX2S953LP
- $55.99
- $45.99 –
- Save: 17%
- More options from $45.99 - $59.04
- $7.05 Shipping

- Model #: DG-AddonCard-14
- $15.38 –
- Free Shipping

- Type: PCI to PCI Express
- Operating Systems Supported: Windows 2000/ XP(32/64bit)/ Server 2003(32/64bit)/ Vista(32/64bit)/ 7(32/64bit)/ Server 2008 R2, and Linux
- Weight: 20
- Parts: 2 Year
- Model #: PCI1PEX1
![PCIe to USB C Expansion Card [10Gbps], RIITOP PCIe 3.0 x4 and Mini Displayport (Input) to USB 3.2 Gen2 Type-C 10Gbps Video Card PCIe to USB C Expansion Card [10Gbps], RIITOP PCIe 3.0 x4 and Mini Displayport (Input) to USB 3.2 Gen2 Type-C 10Gbps Video Card](https://c1.neweggimages.com/productimage/nb300/ARE9S26042102TQC7E7.jpg)
Limited time offer, ends 08/26
- Model #: PCET2C+DP
- $49.99 –
- Free Shipping
- $49.50 - $49.99

- Model #: CL-wificard2-334
- $14.99 –
- Free Shipping

Limited time offer, ends 08/31
- Type: PCI Express to USB Card
- Model #: PCE2USB-AS2
- $29.99 –
- Free Shipping

- Model #: AOC-SLG3-2M2-O
- $62.99 –
- More options from $62.98
- Free Shipping

- Type: PCI Express to USB Card
- External USB Ports: 2x USB Ports
- Standard: USB 3.0
- Data Transfer Rate: 5 Gbps
- Model #: PEXUSB3S25
- $47.99 –
- Free Shipping

Limited time offer, ends 08/26
- Type: NVME to PCIe 4.0
- Model #: 2NVTPCE+PCE8X
- $30.99 –
- Free Shipping
- $28.50 - $30.99
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:
“ 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“ Perfect addin usb card ”
USB C 10Gbps PCIe 3.0 Card,PCI Express x4 to USB 3.2 Type-C and Type-A 10Gb/s with Type-E A Key & USB 3.0 20Pin Motherboard Header Expansion Card for Front Panel w/ Full-Profile & Low-Profile Bracket“ 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




