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StarTech.com PEXUSB3S2EI 4-port PCI Express USB 3.0 card - 2 external, 2 internal - SATA power
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StarTech.com PEXUSB3S2EI 4-port PCI Express USB 3.0 card - 2 external, 2 internal - SATA power
  • 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
ESTONE PCIE to USB3.2 Expansion Card, 8-Port (4X USB 3.2 A,4X USB C) Superspeed 10Gbps Front Expansion Card, USB PCIE Expansion Card for Win XP Win7 Win 8 Win 10 Win 11 Linux
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ESTONE PCIE to USB3.2 Expansion Card, 8-Port (4X USB 3.2 A,4X USB C) Superspeed 10Gbps Front Expansion Card, USB PCIE Expansion Card for Win XP Win7 Win 8 Win 10 Win 11 Linux
  • 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
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  • $67.99 
  • Free Shipping
ORICO Monster USB 3.0 PCI - Express Card with 5 Rear USB 3.0 Ports and 1x Internal USB 3.0 20-PIN Connector Controller Adapter Card (PVU3-502I)
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ORICO Monster USB 3.0 PCI - Express Card with 5 Rear USB 3.0 Ports and 1x Internal USB 3.0 20-PIN Connector Controller Adapter Card (PVU3-502I)
  • 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
Supermicro RSC-R1UW-2E16 Riser Card
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Supermicro
Supermicro RSC-R1UW-2E16 Riser Card
  • 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
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  • $45.99 
  • $2.99 Shipping
NVMe to Oculink SFF-8612 Adapter, RIITOP M.2 NVMe PCIe 4.0 x4 to OCuLink SFF-8611 4i Host Adapter for eGPU and SSD
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  • $19.99 
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  • $19.00 - $19.99
SYBA 4 Serial Ports PCI-e Controller Card, w/ Fan-out Cable, Low Profile Bracket, Chipset (WCH384L) Model SI-PEX15038
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SYBA 4 Serial Ports PCI-e Controller Card, w/ Fan-out Cable, Low Profile Bracket, Chipset (WCH384L) Model SI-PEX15038
  • 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
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  • $23.99 
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SYBA IO CREST 4-port, RS-232 Serial, PCIe x1, Revision 2.0, (Full & Low Profile); Exar Chipset Model SI-PEX15042
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SYBA IO CREST 4-port, RS-232 Serial, PCIe x1, Revision 2.0, (Full & Low Profile); Exar Chipset Model SI-PEX15042
  • 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
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  • $45.99 
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Micro SD TF Card  to 22pin SATA Adapter Converter Module Board 2.5" Hdd Enclosure,Micro SD TF Card to 22pin SATA Adapter Card 2.5" HDD Enclosure TF Cards to SATA
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Micro SD TF Card to 22pin SATA Adapter Converter Module Board 2.5" Hdd Enclosure,Micro SD TF Card to 22pin SATA Adapter Card 2.5" HDD Enclosure TF Cards to SATA
  • 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
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  • $15.98 
  • Free Shipping
Dell Precision 3930R Rackmount Workstation Booster Card Expansion Card - N49JC 0N49JC
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DELL
Dell Precision 3930R Rackmount Workstation Booster Card Expansion Card - N49JC 0N49JC
  • Brand: Dell
  • Series: Precision 3930R
  • Model: N49JC, 0N49JC
  • Type: PCIe Card
  • Model #: N49JC
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  • $34.99 
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StarTech.com 4-Port USB Type-C PCIe Card - USB 3.2 10Gbps - USB-C PCI Express Expansion Card - 4x Independent USB Controllers - TAA-Compliant (P10Q4C-USB-CARD-LP)
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StarTech.com PEX8M2E2 x8 Dual M.2 PCIe SSD Adapter - PCIe 3.0 - PCI Express M.2 SSD Adapter Card - For PCIe NVMe and PCIe AHCI M.2 SSDs (PEX8M2E2)
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StarTech.com PEX8M2E2 x8 Dual M.2 PCIe SSD Adapter - PCIe 3.0 - PCI Express M.2 SSD Adapter Card - For PCIe NVMe and PCIe AHCI M.2 SSDs (PEX8M2E2)
  • 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
NVMe M.2 to 6 Sata Adapter Card, Internal 6 Port SATA III 6GB/s M.2 M-Key NVMe to SATA Adapter for Desktop PC Support PM for SSD and HDD
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  • $29.99 
  • Free Shipping
  • $29.50 - $29.99
LetLinkSo PCIe 4.0 x4 to Oculink SFF-8612 Internal SFF-8611 Adapter Card for NVMe SSD, GPU, eGPU
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LetLinkSo PCIe 4.0 x4 to Oculink SFF-8612 Internal SFF-8611 Adapter Card for NVMe SSD, GPU, eGPU
  • Brand: LetLinkSo
  • Series: PCle to Oculink Adapter
  • Type: PCIe to Oculink Adapter
  • Standard: PCIe 4.0
  • Model #: LLS-CD-1PC1OC-01
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  • $22.99 
  • Free Shipping
Dell 06n9rh Ultra Speed Quad NVME M.2 PCIE SSD Adapter Card
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  • $119.00 
  • $12.00 Shipping
M.2 PCIe PCI-E Adapter, M.2 to PCI-E3.0 X1 Expansion Card,M2 SSD NGFF NVME (m Key) to PCIe 3.0 x 4 Adapter with Low Profile Bracket for Desktop PCI Express Slot
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  • $16.99 
  • Free Shipping
StarTech.com 7 Port PCI USB Card Adapter Model PCIUSB7
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StarTech.com 7 Port PCI USB Card Adapter Model PCIUSB7
  • 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
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  • $32.99 
  • $1.99 Shipping
StarTech.com PEX2S953LP 2 Port RS232 Serial Adapter Card with 16950 UART - PCI Express Serial Port Card - 921.4Kbps - Windows & Linux Compatible
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StarTech.com PEX2S953LP 2 Port RS232 Serial Adapter Card with 16950 UART - PCI Express Serial Port Card - 921.4Kbps - Windows & Linux Compatible
  • 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
34mm Express Card Expresscard to 2 Port USB 3.0 Adapter for Laptop NEC Chip
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  • $15.38 
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StarTech.com PCI to PCI Express Adapter Card Model PCI1PEX1
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StarTech.com PCI to PCI Express Adapter Card Model PCI1PEX1
  • 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
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  • $49.99 
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  • $49.50 - $49.99
RealTek RTL8723BE Wireless 802.11b/g/n WiFi + Bluetooth 4.0 NGFF Mini Card KJTH7
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  • $14.99 
  • Free Shipping
PCIe to 5 Port USB 3.0 (2X Type-C - 3X USB-A) Expansion Card,PCI Express X1 to USB 3.2 Gen1 5Gbps Hub Add on Card,Support Windows 10/8/7/XP and MAC OS 10.8.2 Above
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  • $29.99 
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StarTech.com 2 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - LP4 Power Model PEXUSB3S25
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StarTech.com 2 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - LP4 Power Model PEXUSB3S25
  • Type: PCI Express to USB Card
  • External USB Ports: 2x USB Ports
  • Standard: USB 3.0
  • Data Transfer Rate: 5 Gbps
  • Model #: PEXUSB3S25
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  • $47.99 
  • Free Shipping
Dual NVMe to PCIe Adapter, RIITOP PCIe 4.0 X16 to Dual NVMe and 1x More PCIe x16 (x8 Signal) Adapter for 22110/2280/2260/2242/2230 M.2 NVMe SSD (PCI-e Bifurcation Required)
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  • $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:

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
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