Compatibility

Mac Compatibility

• Mac Pro 14,8 (2023)
• Mac Pro 7,1 (2019)
• macOS 14.4+
• macOS Sequoia compatible

Windows Compatibility

• Windows computer with an available x4 PCIe slot
• Windows 11 and 10

Linux Compatiblity

• Linux computer with an available x4 PCIe slot
• Linux Kernel 5.4+

Hardware

Part Number

• USB3C-1M20G-E

Warranty

• 2-year

Form Factor

• Low-profile x4 PCIe card

Bus Interface

• PCI Express 3.1 x4

External Connector

• One USB-C port

Peripherals Supported

• Industry standard USB 3.2 Gen 1, Gen 2 and 2x2; USB 3.1 Gen 1 and 2; USB 3.0, and 2.0
• Thunderbolt-only peripherals are NOT supported

Bus-powered Peripherals Supported

• HD, SSD, and SSD RAID

Cables Supported

• USB-C 20Gbps
• USB4
• Thunderbolt 4 (<1 meter)
• Thunderbolt 3 (<1 meter)

Chipset

• ASMedia 3242

USB Standard

• Complies with OHCI (Open Host Controller Interface), EHCI (Enhanced Host Controller Interface), and xHCI (eXtensible Host Controller Interface) standards

UASP

• USB attached SCSI protocol supported under macOS, Windows 11 and 10

Hot Plug

• Supports hot-pluggable and hot swappable device connection

Operating Temperatures

• 0ºC to 35ºC (32ºF to 95ºF)

Compliance

• RoHS 3 (Directive 2015/863)
• IEC62368-1 and IEC62368-2 Safety

Package Contents

• Allegro Max USB-C 20Gbps 1-Port PCIe Card
• Two PCIe mounting brackets (full-height and low-profile)