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4 Port PCIE PCI-e to USB 3.0 Expansion Card - USB 3.0 Hub Controller PCI Express Card Adapter w/ Extra SATA 15 pin Power
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4 Port PCIE PCI-e to USB 3.0 Expansion Card - USB 3.0 Hub Controller PCI Express Card Adapter w/ Extra SATA 15 pin Power

Limited time offer, ends 08/31

  • Type: PCI Express to USB Card
  • External USB Ports: 4-port USB 3.0
  • Specifications: Bus Type:PCI Express Type Standard:Profile (LP bracket incl.) Chipset:NEC UPD720201 Interface: USB 3.0 Port Type and Rate :USB 3.0 - 5 Gbit/s Connector Type(s): 1 - PCI Express x1 Male External Ports: 4 - USB Type-A (9 pin) USB 3.0 Female Internal Ports : 1 - SATA 15pin interface
  • Model #: PCE4USB-RS4
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  • $21.99 
  • Free Shipping
SYBA USB 3.0 SuperSpeed 2-port PCI-Express Controller Card NEC uPD720200 Chipset Model SY-PEX20045
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SYBA USB 3.0 SuperSpeed 2-port PCI-Express Controller Card NEC uPD720200 Chipset Model SY-PEX20045

Limited time offer, ends 08/01

  • Type: PCI Express to USB Card
  • External USB Ports: 2x USB Ports
  • Standard: USB 3.0
  • Data Transfer Rate: Up to 5.0 Gbps
  • Model #: SY-PEX20045
En-Labs PCIE22XDB9V2 2 Port RS-232 RS232 DB9 Serial COM to PCI-E PCI Express Card Controller Adapter Converter w/ Full Profile Bracket
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  • $15.89 
  • Free Shipping
PCIe to USB 3.0 Card w/ 3.5" Front Panel 2 Ports USB 3.0, PCI-E Express to 4 USB3 (2 USB-A+20Pin to 2 Port Floppy Bay Hub) Expansion-Molex 4Pin
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PCIe to USB 3.0 Card w/ 3.5" Front Panel 2 Ports USB 3.0, PCI-E Express to 4 USB3 (2 USB-A+20Pin to 2 Port Floppy Bay Hub) Expansion-Molex 4Pin

Limited time offer, ends 08/31

  • External Ports: 4 port USB 3.0
  • Standard: USB 3.0
  • Data Transfer Rate: Up to 5.0 Gbps
  • Specifications: Bus Type: PCI Express Mounting Type: Full Profile PCI slot cover Chipset: VIA VL805 Interface: 2x USB 3.0 Port Type-A & Internal USB 20pin header to 2x USB 3.0 floppy 3.5-inch front panel Data Transfer Rate: USB 3.0 - 5 Gbit/s Connector Type (s) 1 - PCI Express x1 Male Rear Ports: 2x USB 3.0 Port Type-A Female Front Ports: 2x USB 3.0 Port Type-A Female
  • Model #: PCIEU32D20KIT
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  • $28.59 
  • Free Shipping
2 Port RS-232 RS232 DB9 Serial COM to PCI-E PCI Express Card Controller Adapter Converter w/ Full Profile Bracket,CH382L Chipset
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2 Port RS-232 RS232 DB9 Serial COM to PCI-E PCI Express Card Controller Adapter Converter w/ Full Profile Bracket,CH382L Chipset

Limited time offer, ends 08/31

  • Type: PCI Express to Serial Port Card
  • External USB Ports: 2 Port
  • Model #: 11-001-374
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  • $16.19 
  • Free Shipping
2 Ports PCIE PCI-e to USB 3.0 Expansion Card - USB Hub Controller Express Card Adapter for Desktop PC w/ Molex 4 pin Power
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2 Ports PCIE PCI-e to USB 3.0 Expansion Card - USB Hub Controller Express Card Adapter for Desktop PC w/ Molex 4 pin Power

Limited time offer, ends 08/31

  • Type: PCI Express to USB Card
  • External USB Ports: 2-port USB 3.0
  • Specifications: Bus Type:PCI Express Type Standard:Profile (LP bracket incl.) Chipset:NEC uPD720202 Interface: USB 3.0 Port Type and Rate :USB 3.0 - 5 Gbit/s Connector Type(s) 1 - PCI Express x1 Male External Ports 2 - USB Type-A (9 pin) USB 3.0 Female Internal Ports 1 - Molex 4 pin Plug
  • Package Contents: 1 x PCI Express USB 3.0card 1 x Driver CD
  • Model #: PCE2USB-RD1
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  • $15.79 
  • Free Shipping
Dual NVMe PCIe Adapter, RIITOP (2 Ports) M.2 NVMe SSD to PCI-e Express 3.1 x8 Expansion Add-on Card
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Dual NVMe PCIe Adapter, RIITOP (2 Ports) M.2 NVMe SSD to PCI-e Express 3.1 x8 Expansion Add-on Card

Limited time offer, ends 08/04

  • Type: PCI Express Controller Card
  • Compatibility: PCI-e 8x (or above).
  • Specifications: Bus Type: PCI Express. Card Type: Standard/Low Profile. Chipset ID:ASMedia – ASM2812. Compatible Drive Types: NVMe SSD (PCIe, M-Key). Drive Installation: Fixed. Interface: PCI Express x8 (compatible with x8 or x16). Number of Drives: 2. Bootable: Yes. Hot Swap Capability: No. Type and Rate: PCI Express 3.0 (8Gbps). Drive Connectors: 2 – M.2 (PCIe, M-Key, NVMe, NGFF). Host Connectors: 1 – PCI Express x8 Male. OS Compatibility: OS independent; No software or drives required. Special Notes / Requirements: System and Cable Requirements PCI Express enabled. Computer with an available PCI Express: x8 or x16 slot. Environmental Humidity: 20~80% RH. Operating Temperature: 5°C to 50°C (41°F to 122°F). Storage Temperature: -25°C to 70°C (-13°F to 158°F). Demensions: 120x195x22...
  • Model #: 2NV-PCE8X
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  • $100.99 
  • Free Shipping
  • $89.50 - $100.99
PCIe x1 to 3 x1 Slot PCI-e Express Switch Multiplier Hub GPU Riser Card Adapter w/USB 3.0 Cable,PCIe 1x to 3 Ports Splitter Power by SATA & Molex for Video Card Mining
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  • $37.59 
  • Free Shipping
PCIe to PCI Adapter, RIITOP PCI-e Express to 2x PCI Expansion Card Converter Riser Extender with USB 3.0 (2Ft) Cable
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PCIe to PCI Adapter, RIITOP PCI-e Express to 2x PCI Expansion Card Converter Riser Extender with USB 3.0 (2Ft) Cable

Limited time offer, ends 08/04

  • Type: PCI Express to PCI Card
  • External USB Ports: PCI
  • Standard: One PCI Express x1 Slot convert to two PCI Slots.
  • Operating Systems Supported: Windows 2000/NT/2003/XP/Vista/7/8/10, Linux System.
  • Model #: PCIET2I
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  • $34.99 
  • Free Shipping
  • $31.50 - $34.99
SATA Powered 3 Ports(USB-C& USB 20pin) PCI-E to USB 3.0 Expansion Card w/ Type-A BC2.4A Charging, with 2 Ports USB 3.0 3.5" Floppy Bay Front Panel-2FT USB 20pin Header Splitter Cable
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SATA Powered 3 Ports(USB-C& USB 20pin) PCI-E to USB 3.0 Expansion Card w/ Type-A BC2.4A Charging, with 2 Ports USB 3.0 3.5" Floppy Bay Front Panel-2FT USB 20pin Header Splitter Cable

Limited time offer, ends 08/31

  • Type: PCI Express to USB Card
  • External USB Ports: 1x USB Port
  • Internal USB Ports: 2x USB Ports
  • External Ports: 2 port USB 3.0
  • Model #: PCIEUC20QC24KIT
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  • $31.99 
  • Free Shipping
CoolGear 2-Port SATA2 Express Card/34mm Dual eSATA for New Laptops
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  • $14.29 
  • $3.99 Shipping
NVMe PCIe Adapter Card, RIITOP PCIe M.2 SSD NVMe AHCI to PCIe Gen 3.0 x4 x8 x16 Full Speed Converter Card for Desktop PC, Support (M Key) M.2 SSD 2280/2260/2242/2230 mm
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NVMe PCIe Adapter Card, RIITOP PCIe M.2 SSD NVMe AHCI to PCIe Gen 3.0 x4 x8 x16 Full Speed Converter Card for Desktop PC, Support (M Key) M.2 SSD 2280/2260/2242/2230 mm

Limited time offer, ends 08/04

  • Type: PCI Express to M.2 Card
  • External USB Ports: PCI Express
  • Compatibility: PCI-e 3.0/2.0/1.0 4x/8x/16x Slot.
  • Specifications: Compatibility with: Apply to 2280/2260/2242 / 2230mm M.2 PCI-e NVMe SSD (Not supported SATA-based M.2 SSD). PCIe NVMe/AHCI SSD (Incomplete List): Samsung XP941, SM951 (NVMe), 950 Pro Series SSDs, PM961, 960EVO, SM961, PM951, 960EVO. INTEL 600P. Liteon T10. Kingston HyperX Predator M.2. Plextor M6e Series M.2 SSD.
  • Model #: M2T16XBD
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  • $13.99 
  • Free Shipping
  • $10.00 - $13.99
4 Port USB3.0 PCIe Expansion Card Adapter (No need power supply), Hi Speed 5Gbps UASP For Desktop PC Computer Windows Server, XP,7, Vista, 8, 8.1, 10, Build in Self-Powered
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4 Port USB3.0 PCIe Expansion Card Adapter (No need power supply), Hi Speed 5Gbps UASP For Desktop PC Computer Windows Server, XP,7, Vista, 8, 8.1, 10, Build in Self-Powered

Limited time offer, ends 08/04

  • Type: PCIe expansion card
  • External USB Ports: 4-port USB 3.0
  • External Ports: 4 port USB 3.0
  • Standard: USB 3.0
  • Model #: PCET4U3-NEC
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  • $25.99 
  • Free Shipping
  • $19.50 - $25.99
CableMax 4 port Serial RS-232 and 1 LPT port I/O PCI-Express 1x Card
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CableMax 4 port Serial RS-232 and 1 LPT port I/O PCI-Express 1x Card
  • Type: PCI Express to Serial Port Card
  • External Ports: 4 x Serial Ports
  • Model #: CM-4S1PRS232
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  • $21.99 
  • $3.99 Shipping
SYBA IO Crest 2-port RS232 Serial PCI-Express Card, DB9 Female Panel Mountable Field Terminator Adapters Model SI-PEX15043
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SYBA IO Crest 2-port RS232 Serial PCI-Express Card, DB9 Female Panel Mountable Field Terminator Adapters Model SI-PEX15043
  • Type: PCI Express to Serial Port Card
  • Operating Systems Supported: Windows 8 Windows 7 Vista XP Windows Server 2003, 2008, 2012 Linux 2.6.27, 2.6.31, 2.6.32, 3.x.x and newer
  • Dimensions: 2.25" x 7.00" x 12.00"
  • Weight: 0.75 lb.
  • Model #: SI-PEX15043
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  • $39.99 
  • Free Shipping
CableMax Dual Port RS-232 PCI Adapter with OXford Chip 16C950 UART
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CableMax Dual Port RS-232 PCI Adapter with OXford Chip 16C950 UART
  • Type: PCI to Serial Port Card
  • External Ports: 2 x Serial Ports
  • Operating Systems Supported: Win 7 Win 8/8.1 Win Vista Win XP
  • Model #: IO-102
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  • $7.91 
  • $3.99 Shipping
Dual M.2 PCIe Adapter, M2 SSD NVME (m-Key) or SATA (b-Key) 22110 2280 2260 2242 2230 to PCI-e 3.0 x4 Host Controller Expansion Card for Desktop PCI Express Slots
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  • $16.99 
  • Free Shipping
For Intel 7260 AC 2.4G+5G Dual Band Bluetooth 4.0 Wireless Mini PCI-E WiFi Card
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For Intel 7260 AC 2.4G+5G Dual Band Bluetooth 4.0 Wireless Mini PCI-E WiFi Card
  • Type: Mini PCI Express to Mini PCI Express
  • Model #: CL-wificard2-10
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  • $12.99 
  • Free Shipping
4 Ports USB 3.0 PCIe Card Adapter Super Speed 5Gbps, PCI Express x1 Expansion USB3.0 Card for Windows 11/10/8.1/8/7/Vista/XP/Server
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  • $23.99 
  • Free Shipping
HP Ethernet 10Gb 2-port 530SFP+ Adapter
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HP Ethernet 10Gb 2-port 530SFP+ Adapter
  • Weight: 0.79
  • Parts: 1 Year
  • Model #: 652503-B21
SerialGear PCMCIA Single Port RS-422/485 Card with Isolation and Port Protection
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  • $120.98 
  • $3.99 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
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