An inexpensive card available from Amazon allows users of Apple's Mac Pro tower with PCI-E slots to get some of the benefits of the new USB-C connector — and faster USB 3.1 speeds. Inateck 2 Port PCIe USB 3.0 Card with Internal USB 3.0 20-Pin Connector - Expand Another Two USB 3.0 Ports, Compatible Mac Pro, No Additional Power Connection Needed 4.6 out of 5 stars 753 $19.99 $ 19.
Key Features
Four SuperSpeed USB-A 10Gbps Ports—Adds four USB-A 10Gbps ports to your Mac Pro, Windows PC, or Linux computer with PCIe slots; or Thunderbolt to PCIe card expansion system
Powerful Performance with Dual USB 3.2 Gen 2 Controllers—Support data transfers at up to twice as fast as USB 3.0 and USB 3.1 Gen 1, and boost data transfer speeds between connected drives
Powered Ports—Supports USB bus-powered SSD, SSD RAID, and hard drive devices with up to 7.5W power per port
Supports Charge & Sync—Supports USB 3.0 charging port handshake, and will simultaneously sync and charge iPads and other devices that support USB 3.0 charging at 1.5A per device
Protected Power Delivery—Independent power regulation isolates each port to prevent cross-coupled power glitches that may cause accidental disconnects; resettable device overcurrent fuses protect the card and computer, and may be reset by a simple shutdown
Pci Usb 3.0 Card
Add USB 3.2 Gen 2 to Thunderbolt Expansion Systems—Add four SuperSpeed USB-A 10Gbps ports to Thunderbolt to PCIe card expansion systems
Easy Installation—Quick and easy user installation into any available PCIe slot
Pci Usb 3.0 Card Mac Pro
Broad USB Device Support & Compatibility—Supports storage, hubs, and other USB-IF compliant USB devices