• Includes SuperSpeed USB 3.1 external USB Type-C connector
  • Includes USB 3.0 internal 19pin connector and two external USB Type-A connectors
  • Dedicated fast charging port, compliant with USB Battery Charging (BC) 1.2
  • Support PCI-E 2.0 x2 with throughput up to 10 GT/s
  • Compliant with eXtensible Host Controller Interface (XHCI) specification Revision 1.1
  • Compliant with USB Attached SCSI Protocol (UASP) Revision 1.0
  • Includes optional low profile slot cover for supporting low profile cases
Product Specifications
Model No.
Power requirement
5V via SATA 15-pin power connector
Form factor
Low profile - PCI-E 2.0 x2 (10 GT/s)
USB 3.0 controller
VIA Lab VL812
USB Ports
USB 3.1 Type-C x 1, DFP with Rp=10KΩ and up to 5V 3A

USB 3.0 Type-A x 1

USB 3.0 Type-A with charging downstream port x 1, up to 5V 1.5A

Internal 19pin connector x 1, for up to two USB 3.0 ports
USB 3.1 controller
ASMedia ASM1142
Transmitting Speed
USB 3.1 Gen 2.0 (10Gbps), USB 3.1 Gen 1.0 / USB 3.0 (5Gbps), USB 2.0 (480Mbps), USB 1.1 (12Mbps)
Operating system support
Windows 7 (32bit/64bit)*, 8/8.1/10 (32bit/64bit)**, Ubuntu/Linux/Mac OS***
Power Management
Support USB 3.1 / USB 3.0 and USB 2.0 link power management
Current protection
Support over current detection and protection

* If your OS version is Windows 7 or earlier, please install driver (available from SilverStone website) prior to using the ECU05.

** Windows 8 or 8.1, 10 supports ECU05 automatically so you do not need to install additional driver for it.

*** User should check for XHCI function in Ubuntu/Linux or Mac OS, if computer system supports XHCI function then it can support ECU05 automatically without additional driver installation.

**** If your operating system is incompatible with the expansion cards developed by SilverStone, such that your device can not be detected or recognized, please update your motherboard’s driver or BIOS to the latest version. You may also try executing compatible mode in your operating system and select previous versions of operation system to install driver required by the expansion cards.
File Download
ECU05 Manual
File Size
1.23 MB
ECU05 driver for win 7
File Size
8.20 MB
ECU05 High resolution photos
File Size
4.72 MB
ASM1142 driver for Win7
File Size
7.73 MB
ASM1142 firmware 20220315 (support Intel 600 series motherboard)
File Size
1.28 MB
ECU05 Product Sheet (ecu05-edm-en.pdf)
File Size
205.92 KB
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