■ SuperSpeed USB 3.1 with Type A and Type C ports

■ PCI-E Gen2.0 x2, throughput up to 10 GT/s

■ Compliant with eXtensible Host Controller Interface (XHCI) specification Revision 1.1

■ Compliant with USB Attached SCSI Protocol Revision 1.0 (UASP)

■ Includes optional low profile slot cover for supporting low profile cases



Model No. SST-ECU03
Power requirement 5V via SATA 15-pin power connector
Form factor Low profile - PCI-E 2.0 x2 (10GT/s)
USB Ports USB 3.1 Type-A x 1
USB 3.1 Type-C x 1, DFP with Rp=10KΩ and up to 5V 3A
USB 3.1 controller ASMedia ASM1142
Transmitting Speed USB 3.1 Gen2 (10Gbps), USB 3.1 Gen1/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 and USB 2.0 link power management
Current protection Support over current detection and protection
Remark :
* If your OS version is Windows 7 or earlier, please install driver (available from SilverStone website) prior to using the ECU03.
** Windows 8 or 8.1, 10 supports ECU03 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 ECU03 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.

  • Q&A

Describe Ver Size Download
ECU03 Manual v1.0 672 KB
ECU03 driver for win 7 v116221 8,399 KB
ECU03 High resolution photos 4,187 KB
ASM1142 driver for Win7 V116331 7,918 KB
ASM1142 firmware 20220315 (support Intel 600 series motherboard) V30_02_22 1,306 KB
ECU03 eDM (ecu03-edm-en.pdf)   197 KB

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