Best Hdmi Usb Port Cards in 2026

Add two RS232 serial ports with COM retention to your laptop or desktop computer through USB

2 Port USB to Serial RS232 FTDI Cable Adapter with COM Retention

USB to RS232 Adapter / USB to DB9 Adapter / USB to Serial Adapter / USB Serial Cable / USB to RS232 Serial

MULTI-USE FUNCTIONALITY: Use this versatile USB to serial RS232 adapter for everything from digital signage to connecting point of sale systems and barcode scanners.

CUSTOMIZABLE SOLUTION: This USB serial hub features an FTDI chipset, making it highly customizable and compatible, and the ideal solution for any setup.

COMPACT DESIGN: Designed with a small form factor, this serial RS232 converter is USB powered and requires no bulky power adapters or an outlet.

3 external and 1 internal USB 2.0 port

High Speed USB 2.0 compliant, with transfer rates up to 480Mbps

Backward compatible with USB 1.0/1.1 devices

Add two flushmount USB 3.0 ports to your ExpressCard-enabled laptop

Compatible with Dell Latitude E5530

2 Port Flush Mount 54mm ExpressCard USB 3.0 Card Adapter with UASP Support

7.1 USB SOUND CARD: This External Sound Card adds up to 7.1 channels of audio through a single USB port to your computer; This sound card supports 7.1, 5.1 and 2 channel output using 3.5mm jacks, a headphone port, line-in and stereo microphone inputs

UPGRADE YOUR PC SOUND: With support for analog and digital audio output for stereo to 7.1 channel audio applications, the bus-powered audio to USB adapter upgrades the existing integrated audio on a desktop or laptop computer; 1m USB Cable Included

QUALITY AUDIO: Supports 44.1KHz and 48KHz sampling rates for analog playback and recording; SPDIF Digital output only supports 48KHz audio playback; SPDIF optical input passthrough supports up to two-channel audio at 48KHz

HIGH PERFORMANCE: Add 1x USB-C SuperSpeed 20Gbps port to your desktop PC with this USB 3.2 Gen 2x2 PCIe Card; Expansion card provides up to 15W (5V @ 3A) to power & charge devices

FULL USB 3.2 GEN 2X2 SPEEDS: Featuring the ASMedia ASM3242 host controller using x4 lanes of PCIe 3.0, this card is fully capable of speeds up to 20Gbps enabling fast access to high-performance devices like NVMe drives and SSDs

MAXIMIZED USB PERFORMANCE: USB Type-C PCI Express card supports Multiple INs to reduce bandwidth loss when mix speed devices are connected to a Hub (hub must also support this feature); UASP support improves performance with storage devices

Add 2 SuperSpeed USB 3.0 ports to a computer through a PCI slot

Compatible with Dell OptiPlex 7010 / HP Compaq dc7800

2 Port PCI USB 3.0 Adapter Card / PCI USB 3.0 Card Adapter

ADD 4x SUPERSPEED USB 3.0 PORTS: This PCI/PCI-X Universal (3.3V & 5V, 32-bit) card adds four USB 3.0 ports to your computer or server through a PCI slot; Supports USB 3.0/3.1 Gen 1/USB 3.2 Gen 1x1

TRANSFER SPEEDS: Achieve speeds up to the maximum of your PCI bus (1.3Gbps) with UASP making the USB PCI card ideal for older computers with only PCI slots available like Dell OptiPlex 7010/HP Compaq dc7800; Backward compatible with USB 2.0/1.1/1.0

OPTIONAL POWER: USB PCI expansion card features SATA & SP4 power ports to supply supplemental power to the USB ports (when motherboard power is insufficient); Power can be connected to SATA or SP4 port to provide up to 5V 0.9A/4.5W per USB Type-A port

VERSATILE USE: This 2-port PCIE USB 3.1 card features a dual-profile design to fit into both standard and low-profile systems, and includes an optional SATA power connector for high power devices | Upgraded version of our popular USB card PEXUSB312C2

EXPAND CAPABILITIES: Add two USB 3.1 Gen 2 type-C (10 Gbps) ports to your new PC or older PCIe-equipped desktop computer

WIDE COMPATIBILITY: With support for Windows, Linux, and MacOS operating systems, this USB C PCI express adapter is widely compatible, and is backward compatible with USB 3.0 and USB 2.0 devices

Expands your computer connectivity with four extra USB 3.0 ports (3 external, 1 internal)

Easy to install with native OS support in Windows 8.1, 8, 7, and Linux kernel 2.6.31 or later

Fits standard or small form-factor computers, low-profile bracket included

HIGH-PERFORMANCE EXPANSION CARD: Increase the efficiency of your USB 3.0 devices with four dedicated USB 3.0 channels and up to 5 Gbps of bandwidth per channel with this 4 port USB 3.0 PCIe card.

POWER & CHARGE: Use this USB 3.0 add on card to power high-powered USB devices as necessary, with the optional LP4 or SATA power connector.

MULTI-USE USB CONNECTOR: Connect additional external hard drives, VR headsets, game controllers, digital equipment and more to your computer by connecting this USB adapter card through an internal PCI Express slot.

Extend your system capabilities by adding 7 USB 3.2 Gen 1 ports – 6 external and 1 internal – to any PCIe compatible computer

Unique dual-profile design fits standard and low-profile computers

Enjoy fast file transfers with USB 3.2 Gen 1 (5Gbps) and UASP support

Add front or rear panel USB 3.0 ports to your computer case using USB 3.0 motherboard-style headers

4 Port PCIe USB 3.0 Card

2 External & 2 Internal

Running low on expansion slots? Merge USB 3.0 and GbE into a single PCIe combo card

3 Port PCI Express USB 3.0 Card + Gigabit Ethernet

Installation flexibility to fit standard & low-profile PCs

HIGH PERFORMANCE: USB PCIe card with 4x USB-A ports up to SuperSpeed 10Gbps per port; Dual ASM3142 controllers with up to 20Gbps total bandwidth across 4 ports; USB 3.1 Gen 2/USB 3.2 Gen 2x1; Upgraded version of our popular USB card PEXUSB314A2V

MAXIMIZED USB PERFORMANCE: Multiple INs support for max bandwidth when using mixed-speed devices; USB Attached SCSI Protocol (UASP) for storage device, like SSDs, HDDs, NVMe drives and thumb drives

POWER: USB PCI Express expansion card with SATA power header has the option to provide supplemental power to the USB ports (if motherboard power is insufficient) providing up to 4.5W (5V@0.9A) per USB-A port

HIGH PERFORMANCE: 4 Port USB PCIe card with dual ASM3142 controllers with up to 20Gbps total bandwidth across 4 ports; 2x USB-A (10Gbps) 2x USB-C (10Gbps) hub; Supports USB 3.1 Gen 2/USB 3.2 Gen 2x1

TRANSFER SPEEDS UP TO 10Gbps: USB-A & USB-C PCIe card adapter supports Multiple INs maintaining max bandwidth with mixed speed devices; UASP support; ideal for use with USB devices & external storage like SSDs, HDDs, NVMe drives; Works w/ USB 3.1/3.0/2.0

OPTIONAL POWER: USB PCIe expansion card with SATA power supplies supplemental power to the USB ports (when motherboard power is insufficient) providing up to 5V 3A/15W per USB Type-C port & 5V 0.9A/4.5W per USB Type-A port

EXPANSION CHASSIS FOR PCIE CARDS: Increase the PCI-e slot count of a desktop computer or server; Add four external PCIe x1 slots; PCI Express 2.0 x2 proprietary USB-C Host Card with locking port; 5.9ft (1.8m) USB-C locking cable included

RUGGED CONSTRUCTION: PCI Express expansion box is built with SECC steel to withstand harsh conditions and up to 140°F (60°C); Vented chassis for cooling; Quiet operation; Power adapter (12V 3A) included, terminal block port (12-24 VDC) available

HASSLE FREE UPGRADES: Connect add-on cards (e.g., USB, Ethernet, SFP, Serial, and I/O Cards) to a host system with limited expansion slots; Implement fast deployments and reduce the cost and downtime required to configure an existing or new host system

Add an external USB Type-C and two external USB Type-A ports to your computer, plus an IDC header port that can provide two internal USB 3.0 ports

5 Port USB 3.1 PCIe Card with 1x USB-C 2x USB-A + 1x 2 Port IDC (5Gbps)

Easily add a range of USB port types to your computer with this USB 3.1 Card to connect a variety of modern and legacy USB devices, both inside and outside your computer