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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
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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 10/30

  • 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
PCIe 1 to 4 Riser Card, Pcie Splitter 1 to 4 PCI Riser Card, 4 Risers into 1 PCI Card, PCIe Risers 1X to External 4 PCI-e USB 3.0 Adapter Multiplier for Bitcoin Miner Device
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  • $23.99 –
  • 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
  • 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
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
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 10/30

  • 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
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 10/30

  • 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
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 11/10

  • 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
PCI-E Expansion Card Adapte, ORICO 2 Port USB3.0 PCI Express Host Controller Card 4PIN to 15 PIN Power Cable (2 Port & 19PIN )Internal Card with Power Cable for Mac OS Windows XP / Vista ( PME-4UI )
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  • $21.99 –
  • Free Shipping
Coolgear Dual Port ExpressCard 34mm eSATA 3Gb/s 300Mbps SATA II Card RAID
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  • $16.49 –
  • $3.99 Shipping
CoolGear 2-Port SATA2 Express Card/34mm Dual eSATA for New Laptops
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  • $14.29 –
  • $3.99 Shipping
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 11/10

  • 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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  • $22.99 –
  • Free Shipping
  • $22.50 - $22.99
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 11/10

  • 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
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 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
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
ESTONE SATA Card 4 Port with 4 SATA Cables, 6 Gbps SATA 3.0 Controller PCI Express Expression Card with Low Profile Bracket Support 4 SATA 3.0 Devices
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ESTONE SATA Card 4 Port with 4 SATA Cables, 6 Gbps SATA 3.0 Controller PCI Express Expression Card with Low Profile Bracket Support 4 SATA 3.0 Devices

Limited time offer, ends 11/19

  • Type: PCI to SATA Card
  • External USB Ports: 4x SATA III
  • Standard: USB 3.2
  • Data Transfer Rate: Up to 6 Gbps
  • Model #: E-PCIE24SATA-3
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  • $23.99 –
  • Free Shipping
Digi International AccelePort 4r 920 Universal PCI (3.3 V & 5 V) 4-port RS-232 Serial Cards Model 77000560
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Digi International AccelePort 4r 920 Universal PCI (3.3 V & 5 V) 4-port RS-232 Serial Cards Model 77000560
  • Type: PCI to Serial Port Card
  • Data Transfer Rate: Up to 921.60 Kbps
  • Compatibility: Operating Systems: Microsoft Windows .NET Server 2003 Microsoft Windows XP, 2000, NT Microsoft Windows 95/98/Me Solaris SPARC and Intel Novell NetWare HP-UX Linux OpenVMS OS/ 2 QNX SCO OpenServer SCO UnixWare Tru64
  • Dimensions: 6.88" x 0.50" x 4.20"
  • Model #: 77000560
ICY DOCK ToughArmor MB840M2P-B M.2 NVMe SSD to PCIe 3.0 x4 Removable SSD Mobile Rack for PCIe Expansion Slot
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ICY DOCK ToughArmor MB840M2P-B M.2 NVMe SSD to PCIe 3.0 x4 Removable SSD Mobile Rack for PCIe Expansion Slot
  • Type: PCI Express to M.2 Card
  • External USB Ports: 1 M.2 NVME & 1 SATA
  • External Ports: 1 x M.2 PCIe NVMe SSD (2230/2242/2260/2280/22110)
  • Standard: NVMe
  • Model #: MB840M2P-B
PCIE to 2 Port USB C Expansion Card Adapter 10Gbps, PCI-E Type C USB 3.2 Gen2 Controller Card with Low Profile Bracket for Windows 11/10/8/7/XP
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  • $27.99 –
  • Free Shipping
Lenovo ThinkCentre Tiny DP Expansion Card with BTB Connector
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  • $21.69 - $33.79
MAIWO PCIe Gen3 x2 Card, PCIe USB 3.2 / 3.1- to 2-Port Type C HUB Internal Expansion Card Controller Adapter PCI Express Card Desktop PC Support Multiple INs
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  • $35.99 –
  • Free Shipping
  • $20.79 - $35.99
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
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
ESTONE SATA Card, 4 Port SATA 3.0 Controller Expansion Card with 4 SATA Cable, 6Gbps PCIe SATA Card with Low Profile Bracket, Non-Raid, Boot as System Disk, Support 4 SATA 3.0 Devices
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ESTONE SATA Card, 4 Port SATA 3.0 Controller Expansion Card with 4 SATA Cable, 6Gbps PCIe SATA Card with Low Profile Bracket, Non-Raid, Boot as System Disk, Support 4 SATA 3.0 Devices

Limited time offer, ends 11/19

  • Type: PCI to SATA Card
  • External USB Ports: 4x SATA III
  • Standard: USB 3.2
  • Data Transfer Rate: Up to 6 Gbps
  • Model #: E-PCIE24SATA-4
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  • $23.99 –
  • Free Shipping
ESTONE PCI-E to USB 4-Port Type C Expansion Card,PCI Express USB 3.2 Add in Card, Internal USB3.2 Hub Converter for Desktop PC Host Card Support Windows 10/8/7/XP and MAC OS
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ESTONE PCI-E to USB 4-Port Type C Expansion Card,PCI Express USB 3.2 Add in Card, Internal USB3.2 Hub Converter for Desktop PC Host Card Support Windows 10/8/7/XP and MAC OS

Limited time offer, ends 11/19

  • Type: PCI to USB Card
  • External USB Ports: 4x USB Ports
  • Standard: USB 3.1
  • Data Transfer Rate: Up to 10 Gbps
  • Model #: E-PCIE24C-7
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  • $40.99 –
  • Free Shipping
ESTONE PCI Express Expansion Card, USB 3.2 7 Port Front Expansion Card, Connect 7 Devices Expanded - (2X USB C - 5X USB A)
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ESTONE PCI Express Expansion Card, USB 3.2 7 Port Front Expansion Card, Connect 7 Devices Expanded - (2X USB C - 5X USB A)

Limited time offer, ends 11/19

  • Type: PCI to USB Card
  • External USB Ports: 7x USB Ports
  • Standard: USB 3.1
  • Data Transfer Rate: Up to 10 Gbps
  • Model #: E-PCIE25A2C3.2-6
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  • $61.99 –
  • 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:

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
Yung C.
7/27/2023 6:03:02 PM
Well made card with some frustration during installation

“ Better construction and heat distribution then the more expensive Dell add on card. ”

ASUS HYPER M.2 X16 Gen 4 Card, PCIe 4.0/3.0 to 4 x M.2 NVMe Slots, Up to 256 Gbps