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PCIe USB 3.0 Card 7 Port, RIITOP PCI-e Express x1 to 7 Port USB3.0 Expansion Controller Card Adapter, NEC Chipset, No Need Power Supply (NOT Compatible 2U Case)
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#1 Best Seller
in Add-On Cards
PCIe USB 3.0 Card 7 Port, RIITOP PCI-e Express x1 to 7 Port USB3.0 Expansion Controller Card Adapter, NEC Chipset, No Need Power Supply (NOT Compatible 2U Case)
  • Type: Controller Card
  • External USB Ports: 7x USB Ports
  • Internal USB Ports: 7x USB Ports
  • External Ports: 7x USB Ports
  • Model #: PCET7U3-NEC
  • $25.50 - $29.99
DERAPID RTL8125 2.5Gbps PCI Express Network Card  PCIe x1 to RJ45 Ethernet Adapter, 2.5G Base-T Gigabit LAN, Gaming NIC for Desktop PC NAS
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DERAPID RTL8125 2.5Gbps PCI Express Network Card PCIe x1 to RJ45 Ethernet Adapter, 2.5G Base-T Gigabit LAN, Gaming NIC for Desktop PC NAS

Limited time offer, ends 07/30

  • Brand: DERAPID
  • Series: RJ45 Network Card
  • Model: RTL8125
  • Type: PCI Express to Ethernet Port Card
  • Model #: 2.5G PCI-E to RJ45
  • $19.99
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  • $15.89 
  • Save: 20%
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4 Port USB 3.2 Type C PCIe Expansion Card Adapter 5Gbps, RIITOP PCI-e Express to USB Type C 4 Port Card for Desktop PC Support Windows 11/10/8/7/XP/Vista, Self-Powered Supply
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  • $39.99 
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  • $26.00 - $39.99
GLOTRENDS SA3026-C 6-Port PCIe X4 SATA Expansion Card with SATA and Power Cables, Compatible with Windows,Linux,Mac OS,NAS
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  • $69.99
  •  
  • $39.99 
  • Save: 42%
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  • $37.00 - $39.99
M.2 NVMe SSD to PCIe 5.0 Adapter, RIITOP NVMe SSD to PCIe 5.0 x16/x8/x4 Adapter Card with Aluminum Heatsink, Easy Install, Supports 2230/2242/2260/2280, Not Compatible with SATA or PCIe x1
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M.2 NVMe SSD to PCIe 5.0 Adapter, RIITOP NVMe SSD to PCIe 5.0 x16/x8/x4 Adapter Card with Aluminum Heatsink, Easy Install, Supports 2230/2242/2260/2280, Not Compatible with SATA or PCIe x1
  • Brand: RIITOP
  • Model: NVTPCE16X (RIITOP NVMe Adapter M.2 PCIe SSD to PCI-e x4/x8/x16 Converter Card with Heat Sink for M.2 (M Key) NVMe SSD 2280/2260/2242/2230)
  • Type: Controller Card
  • External USB Ports: PCI Express
  • Model #: NVTPCE16X
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  • $25.99 
  • Free Shipping
  • $18.50 - $25.99
SYBA SI-PEX40110 M.2 M-Key NVMe PCI-e to PCI-e x4 Converter Card
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SYBA SI-PEX40110 M.2 M-Key NVMe PCI-e to PCI-e x4 Converter Card
  • Type: M.2 PCI-e to PCI-e 3.0
  • Operating Systems Supported: Windows 2000/XP/2003/2008/Vista/7/8/8.1/10 , Linux, Mac OS
  • Weight: 0.4
  • Package Contents: 1x M.2 PCI-e To PCI-e 3.0 x4 Adapter 1x User Manual 2x Screws (M.2)
  • Model #: SI-PEX40110
  • $16.99
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  • $13.99 
  • Save: 17%
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RIITOP M.2 NVMe to Oculink SFF-8612 Extender (15cm), M.2 NVMe PCIe 4.0 x4 to OCuLink SFF-8611 4i Host Adapter for eGPU and SSD
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  • $39.99 
  • Free Shipping
  • $19.50 - $39.99
ASUS Hyper M.2 x16 Gen5 Card (PCIe 5.0/4.0) supports four NVMe M.2 (2242/2260/2280/22110) devices up to 512 Gbps for AMD and Intel® platform RAID functions.
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ASUS Hyper M.2 x16 Gen5 Card (PCIe 5.0/4.0) supports four NVMe M.2 (2242/2260/2280/22110) devices up to 512 Gbps for AMD and Intel® platform RAID functions.
  • Type: PCI Express to M.2 Card
  • Compatibility: Compatible Models: Visit www.asus.com for latest compatible model lists. Maximum numbers of M.2 SSD support will vary, depending on different CPU specs and PCIe bifurcation settings in different ASUS motherboards. Please see the FAQ link for further information: https://www.asus.com/support/FAQ/ 1037507
  • Specifications: Interface: PCIe 5.0 x16 interface, support data transfer rates up to 512 Gbps. External Connectors: 4 x M.2 slots (Key M), type 2242/2260/2280/22110 (supports PCIe 5.0)* * Supports PCIe M.2 storage devices only. LED & Switch: 1 x M.2 FAN Power Switch 4 x M.2 access LEDs Thermal Solution : Active fan with heatsink, support fan control from MB chassis fan header Dimensions: 29(L)*12.2(W) *1.5(H)cm Compatible Models: Visit www.asus.com for latest compatible model...
  • Model #: HYPER M.2 X16 GEN5 CARD
PCIe 3.0/4.0 to 10Gbps USB 3.2 Gen2 Expansion Card,7-Ports USB Type-A to PCI Express x4 PC Internal USB Hub for Windows 10/11/2003 and Linux with Full-Profile PCI Slot Cover
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  • $47.59 
  • Free Shipping
  • $46.66 - $47.59
Asus HYPER M.2 X16 GEN 4 CARD Hyper M.2 x16 Gen 4 Card (PCIe 4.0/3.0)
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Asus HYPER M.2 X16 GEN 4 CARD Hyper M.2 x16 Gen 4 Card (PCIe 4.0/3.0)
  • Type: PCI Express to M.2 Card
  • External Ports: 4 x M.2 slots (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0/3.0)* * Supports PCIe M.2 storage devices only.
  • Internal Ports: PCIe 4.0/3.0 x16 interface, compatible with PCIe x8 and x16 slots, support data transfer rates up to 256 Gbps.
  • Specifications: 1 x M.2 FAN Power Switch 4 x M.2 access LEDs
  • Model #: HYPER M.2 X16 GEN 4
M.2 NVME SSD to PCIe 4.0 x4 Adapter, M.2 2280 2260 2242 2230 SSD to PCIe 3.0 x4 Host Controller Expansion Card for PC Desktop, Support Windows, Mac & Linux OS
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M.2 NVME SSD to PCIe 4.0 x4 Adapter, M.2 2280 2260 2242 2230 SSD to PCIe 3.0 x4 Host Controller Expansion Card for PC Desktop, Support Windows, Mac & Linux OS

Limited time offer, ends 08/01

  • Type: PCI Express to M.2 Card
  • External USB Ports: PCI Express
  • Model #: 5#Q1538_B
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  • $10.99 
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StarTech.com 2 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - SATA Power Model PEXUSB3S24
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StarTech.com 2 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - SATA Power Model PEXUSB3S24
  • Type: PCI Express to USB Card
  • External USB Ports: 2 - USB 3.0 A (9 pin; SuperSpeed) Female
  • Internal Ports: 1 - SATA Power (15 pin) Plug
  • Standard: USB 3.0
  • Model #: PEXUSB3S24
  • $40.99
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  • $37.99 
  • Save: 7%
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GIGABYTE GC-MAPLE RIDGE Thunderbolt 4 PCI-Ex4 add on Card USB Type-C DisplayPort
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GIGABYTE GC-MAPLE RIDGE Thunderbolt 4 PCI-Ex4 add on Card USB Type-C DisplayPort
  • Type: PCI Express to Thunderbolt
  • Model #: B-GIGABYTE GC-MAPLE RIDGE
ESTONE PCIE USB 3.2 Gen 2 Card 5 Ports(3X USB C - 2X USB A), PCI Expree to USB Expansion Card Super Speed 10Gbps PCI-e USB3.2 Hub Controller Adapter for Windows 11/10/8/7/XP/Vista
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ESTONE PCIE USB 3.2 Gen 2 Card 5 Ports(3X USB C - 2X USB A), PCI Expree to USB Expansion Card Super Speed 10Gbps PCI-e USB3.2 Hub Controller Adapter for Windows 11/10/8/7/XP/Vista

Limited time offer, ends 08/24

  • Type: PCI to USB Card
  • External USB Ports: 5x USB Ports
  • Standard: USB 3.2
  • Data Transfer Rate: Up to 10 Gbps
  • Model #: E-PCIE22A3C3.2-1
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  • $42.99 
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RIITOP PCIe to Oculink SFF-8612 Adapter SFF-8611 External Graphics Card for GPU Dock, eGPU, NVMe SSD (PCIe x4 to Oculink)
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  • $35.99 
  • Free Shipping
  • $29.50 - $35.99
RIITOP M.2 PCIe M Key to SATA 6G Adapter Card 6 Ports, NVMe to 6x SATA 6Gbps Expansion Adapter Card for Desktop PC Computer, ASM1166 6Gbps with Smart Indicator, Support Soft Raid
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  • $32.99 
  • Free Shipping
  • $27.50 - $32.99
SYBA SI-PEX15037 2 Serial DB9 RS-232 Ports PCI-e x1 Card with Low Profile Bracket WCH CH382
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SYBA SI-PEX15037 2 Serial DB9 RS-232 Ports PCI-e x1 Card with Low Profile Bracket WCH CH382
  • Type: PCI Express to Serial Port Card
  • External Ports: 2 x Serial Ports
  • Operating Systems Supported: All Windows OS
  • Weight: 0.35 lb.
  • Model #: SI-PEX15037
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  • $13.99 
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StarTech.com PEXUSB3S44V 4 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter w/ 4 Dedicated 5Gbps Channels - UASP - SATA / LP4 Power
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StarTech.com PEXUSB3S44V 4 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter w/ 4 Dedicated 5Gbps Channels - UASP - SATA / LP4 Power
  • Type: PCI Express
  • Specifications: Industry Standards: - USB 3.0 Specification Rev. 1.0 - USB Battery Charging Specification Rev. 1.2 (Apple Mode only) - PCI Express Base Specification Rev. 2.0 - Intel xHCI Specification Rev. 1.0 Interface: USB 3.0 Connector Type(s): 1 - PCI Express x4 Male External Ports: 4 - USB 3.0 A (9 pin; SuperSpeed) Female Internal Ports: - 1 - LP4 (4 pin; Molex Large Drive Power) Female - 1 - SATA Power (15 pin) Plug
  • Dimensions: 0.59" x 2.17" x 6.57" (W x H x L)
  • Weight: 0.13lb
  • Model #: PEXUSB3S44V
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/ SATA Power
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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/ SATA Power

Limited time offer, ends 07/31

  • Type: PCI Express to USB Card
  • External USB Ports: 2 Ext / 2 Int
  • 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: 2 - USB Type-A (9 pin) USB 3.0 Female Internal Ports : 2 x US 3.0 Internal Ports (20 pin connector) front panel for floppy bay Internal Ports : 1 - SATA 15 pin interface
  • Package Contents: 1 x PCIe USB 3.0 PCI express card 1 x Driver CD
  • Model #: PCE4USB-RS1
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  • $19.59 
  • Free Shipping
PCIE USB 3.0 Card 7 Ports High Speed 5Gbps, RIITOP PCI-E Expree to USB3 Expansion Adapter Card Controller for Windows 11/10/8/7/XP/Vista (NOT for 2U Case)
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  • $39.99 
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  • $25.50 - $39.99
SYBA 4 x Port Non-RAID SATA III 6 Gbp/s and M.2 B Key 2242 PCI-e x4 Controller Card Model SI-PEX40138
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SYBA 4 x Port Non-RAID SATA III 6 Gbp/s and M.2 B Key 2242 PCI-e x4 Controller Card Model SI-PEX40138
  • Type: PCI Express to SATA Card
  • Internal Ports: 4 x SATA III + 1 x M.2 B-Key
  • Data Transfer Rate: Up to 1700 MB/s
  • Package Contents: (1) 4 Port SATA + M.2 B-key PCI-e x4 Controller (4) SATA Cables (1) Manaul
  • Model #: SI-PEX40138
StarTech.com PEX1S1P950 PCIe Card with Serial and Parallel Port - PCI Express Combo Adapter Card with 1x DB25 Parallel Port & 1x RS232 Serial Port - Expansion/Controller Card - PCIe Printer Card
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StarTech.com PEX1S1P950 PCIe Card with Serial and Parallel Port - PCI Express Combo Adapter Card with 1x DB25 Parallel Port & 1x RS232 Serial Port - Expansion/Controller Card - PCIe Printer Card
  • Type: PCIe Card with Serial and Parallel Port
  • External Ports: DB-25 (25 pin, D-Sub) DB-9 (9 pin, D-Sub)
  • Standard: PCI Express x1
  • Model #: PEX1S1P950
StarTech.com U.2 to PCIe Adapter for 2.5" U.2 NVMe SSD - x4 PCI Express 3.0 Model PEX4SFF8639
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StarTech.com U.2 to PCIe Adapter for 2.5" U.2 NVMe SSD - x4 PCI Express 3.0 Model PEX4SFF8639
  • Type: U.2 to PCIe Adapter - x4 PCIe
  • Specifications: Bus Type: PCI Express Compatible Drive Types: U.2 (SFF-8639, x4 PCIe, NVMe) Drive Installation: Fixed Drive Size: 2.5in Interface : PCI Express Number of Drives: 1 Supported Drive Height(s): 15mm 12.5mm 9.5mm 7mm 5mm
  • Dimensions: 0.90" x 6.50" x 4.80"
  • Weight: 0.14 lbs.
  • Model #: PEX4SFF8639
  • $50.99
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  • $39.99 
  • Save: 21%
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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