
Best selling Controller cards
Here’s a ranking of the best selling Controller cards. To give you a quick overview, we’ve added the most important information about each product. This page always stays fresh and updates automatically.
1. QNAP QM2-2P10G1TB
With the QM2-2P10G1TB, you can easily add two M.2 NVMe SSDs and 10GbE RJ45 connectivity to your QNAP NAS. Compared to the SATA interface, the PCIe Gen3 x 8 interface of the QM2-2P10G1TB offers higher bandwidth for faster processing speeds and quicker data access.

2. HP Type-C USB 3.1 Gen2 Port w/
The HP Type-C USB 3.1 Gen2 port controller card offers a powerful solution for expanding connectivity for select HP Mini Desktop Workstations. With a maximum power output of 100 watts, this card not only allows for device connections but also enables simultaneous battery charging. Support for super-fast transfer speeds of up to 10 Gbps ensures efficient data transmission that meets the demands of modern business applications. This interface card is specifically designed for the HP EliteDesk 800 G6, 805 G6, ProDesk 400 G6, and 405 G6, providing an easy way to enhance your workstation's functionality. The integration of USB Power Delivery and DisplayPort 1.4 allows for versatile use, while compatibility with various HP models ensures flexible adaptation to different work environments.
- Supports USB 3.1 Gen2 with transfer speeds of up to 10 Gbps
- Provides 100 watts of Power Delivery for charging devices
- Compatible with select HP Mini Desktop Workstations
- Integrates DisplayPort 1.4 for enhanced video output
- Enables the use of HP Sleep and Charge functionality.

3. Longshine Controller PCIe 2x Serial RS232 - Interface Card - PCI Express
The Longshine PCIe 2x Serial RS232 Controller is a powerful interface card that provides a reliable connection for serial devices via the PCI-Express bus. With two RS-232 ports, this card offers the flexibility to connect multiple serial devices simultaneously, making it ideal for applications in industry, automation, or data communication. The card supports common operating systems such as Windows XP and Linux, enhancing its versatility. Thanks to the PCI Express x1 (Gen 3) expansion slot, installation is quick and easy, allowing users to upgrade their systems without much effort. Its compact design and lightweight make the card a practical solution for various computer applications that require serial communication.
- Two RS-232 ports for simultaneous connection of multiple devices
- Compatible with Windows XP and Linux
- Easy installation via PCI Express x1 (Gen 3) slot
- Suitable for industrial and automated applications.

4. Conceptronic PCI Express Card
This 4-port SATA PCIe adapter uses a combination of Asmedia high-performance chips (ASM1061+ASM1093) to add 4 SATA ports. Each Serial ATA port supports transfer speeds up to 6Gb/s and is backward compatible with legacy SATA 1.5Gb/s or 3Gb/s drives. In addition, the card supports mode switching and can be effortlessly switched between IDE and AHCI systems.

5. Delock PCI Express x1 card to 4 x external USB Type-A socket SuperSpeed USB (USB 3.2 Gen 1)
The PCI Express card from Delock expands the PC with four external USB 3.2 Gen 1 ports. Various USB devices, such as docking stations, card readers, external enclosures, etc., can be connected.
It offers 10 watts of output power per port. The card does not require an additional power supply and can still deliver 2 A at each port. Therefore, a total of 8 A can be achieved when using all ports.

Delock PCI Express x1 card to 4 x external USB Type-A socket SuperSpeed USB (USB 3.2 Gen 1)
6. Conceptronic EMRICK M.2 NVMe SSD PCIe Adapter
This M.2 NVMe SSD PCIe adapter connects directly to the motherboard and features ultra-fast PCIe 3.0 X4 lanes that provide a bandwidth of up to 32 GT/s. It also supports a wide range of M.2 Key M SSD sizes. This adapter enhances system performance and optimizes the efficiency of office and entertainment devices.

7. ASUS THUNDERBOLTEX 5 Card
The ASUS ThunderboltEX 5 is a powerful controller card that offers a variety of connection options for modern peripherals. It is equipped with a PCIe 4.0 x4 interface standard, enabling a high data transfer rate of up to 120 Gbps. This card is ideal for users who need a fast and reliable connection to Thunderbolt and USB-C devices. With two USB-C ports and a Mini DisplayPort interface, the ThunderboltEX 5 is versatile and supports a wide range of applications, from data transfer to driving high-resolution displays. Installation is straightforward via a PCI Express slot, making it a convenient upgrade for compatible systems. The ThunderboltEX 5 is thus an excellent choice for anyone looking to elevate their connectivity to the next level.
- Supports data transfer rates of up to 120 Gbps
- Two USB-C ports for versatile connections
- Compatible with Thunderbolt 5 and USB4
- Easy installation via PCIe 4.0 x4 slot.

8. Sonnet Allegro USB 3.2 card PCIe 7 port
Connect seven USB-A peripherals using only one PCIe card slot. Peripherals using USB Type A connectors have been available for over 25 years, and you may have quite a few of those devices. There are bound to be situations when you want to use several of them at the same time, or perhaps you just want to connect more peripherals than your computer can handle on its own. Either way, the Allegro 7-Port USB 3.2 Gen 1 Type A PCIe Card has you covered — you only need one full-height PCIe card slot in your computer to connect seven more devices to it.
The maestro of ports supports almost any type of peripheral. Of course, the Allegro 7-Port USB 3.2 Gen 1 Type A PCIe Card supports general-purpose devices such as keyboards, mice, and printers; and storage devices such as flash drives, hard drives, and media card readers. Better yet, you can connect many pro audio devices such as audio interfaces, control pads, microphones, MIDI controllers, and mixers. In most cases, if your peripheral uses a Type A connector, this Sonnet card supports it.
The Allegro 7-port card provides 0.9A of power through each port, enabling it to support many bus-powered flash drives, hard drives, and SSDs without the need for you to connect a separate power adapter.
Unlike ordinary USB-A cards, the Allegro 7-port features a resettable fuse on each port to protect the card and your computer should a cable or peripheral short circuit. Resetting a tripped fuse is simple — just shut down and restart your computer.
The Allegro 7-Port USB 3.2 Gen 1 Type A PCIe Card supports devices connected to three of its external ports with 5Gbps of bandwidth each. Devices connected to the other three external ports — plus the internal port — share 5Gbps bandwidth together; if only one device is connected to any of these ports, it gets the full 5Gbps bandwidth.

9. StarTech 4 Port PCIe Quad Bus USB 3.0 Card
PCI Express USB 3.0 Host Card Adapter with 4 Ports. The StarTech PCI Express USB 3.0 card with 4 ports allows you to add 4 dedicated USB 3.0 ports with 5 Gbit/s to your PCIe x4-capable computer. This independent port architecture enhances USB 3.0 performance by transmitting over 4 individual channels to your computer, enabling faster file transfers.
- Provides four external, independent USB 3.0 ports
- Supports up to 20 Gbit/s total transfer bandwidth - up to 5 Gbit/s per port
- UASP support for all four ports
- PCIe x4 interface compatible with PCI Express 2.0 specifications
- Optional LP4 or SATA power connector with up to 900 mA per USB port
- Supports USB Battery Charging Specification 1.2 (only in Apple mode)
- Fully compliant with USB 3.0 Revision 1.0 and Intel xHCI Revision 1.0 specifications
- Hot-swap functionality for connecting/disconnecting devices without shutting down the system
The controller card is compliant with USB 3.0 standards while ensuring backward compatibility with existing USB 2.0/1.1 devices. The PEXUSB3S44V USB 3.0 PCIe card comes with a standard bracket and includes a low-profile/half-height bracket for installation in small form factor computers.

10. Inateck PCIe USB 3.2 Gen 2, 2 USB C, 6 USB A Ports 16 Gbps
The Inateck KU8212 PCIe USB 3.2 Gen 2 expansion card enhances desktop computers with high-speed connectivity and charging options. It features a total of 8 USB ports, including 2 USB-C ports with Power Delivery support for up to 30 W per port, suitable for charging smartphones, tablets, and laptops, as well as 6 USB-A ports with BC 1.2 protocol support that deliver up to 7.5 W per port. Utilizing the USB 3.2 Gen 2 standard, each port achieves data transfer speeds of up to 10 Gbps when used individually, with a total bandwidth of 16 Gbps for all ports. The card is powered directly through the PCIe interface, eliminating the need for external power and simplifying installation. It includes overcurrent protection and has passed the IEC61000-4-2 Ed.2 ESD test, providing increased safety for connected devices and the computer. This card is exclusively compatible with PCIe x16 slots and measures 14.8 cm in length, 10.8 cm in width, and 2.1 cm in height, with a bracket size of 12 cm by 2.4 cm, allowing it to fit into standard motherboards and expansion slots. Designed for reliability and performance, it supports modern USB standards and offers practical expansion for users needing additional USB connectivity and efficient charging solutions.
