SilverStone ECU04-E is a PCI E Gen expansion card

Model No: SST-EC04-E

Power requirement: 5Vdc via peripheral 15pin SATA power connector

Operating System Support: Windows XP Vista 7 (32-bit / 64-bit) 8 (32-bit / 64-bit)

Form factor: Low profile single lane (X1) PCI Express 2.0

USB 3.0 controller: NEC uPD720201

USB Ports: Two external ports and one internal dual port

USB power output: 5Vdc

Transmitting Speed: USB 3.0 (5Gbps) USB 2.0 (480Mbps) USB 1.1 (12Mbps)

Signal Reception Angle: USB 3.0 (5Gbit/s) USB 2.0 (480Mbit/s) USB 1.1 (12Mbit/s)

OS Support: Microsoft Windows 10/8.1/8/7/Vista (32-bit, 64-bit) or future release versions

Port Interface: USB 3.0 (Max. 5Gbit/s) backwards compatible with USB 2.0