Expansion Cards     EC03-P

■ Unique 19-pin dual port USB 3.0 internal connector

■ PCI Express 2.0 with single lane(x1) throughput 5Gbit/s

■ Supports simultaneous operation of multiple USB 3.0/2.0/1.1 devices

■ Adds two external USB 3.0 SuperSpeed ports to your system

■ Built-in power connector to receiving extra power from system

■ Bonus 3.5" front I/O bay with USB 3.0 ports included

         SilverStone EC03-P is an expansion card that connects to the motherboards via a single lane PCI-E gen 2.0 slot. Its single USB 3.0 internal connector offers output for dual front port USB 3.0 super speed interface which enables data transfer with maximum compatibility and stability. For those looking to use cases or drive bays that supports the new USB 3.0 internal connector standard, the EC03-P is the quickest way to upgrade any motherboard with PCI-E gen 2.0 slot to be compatible with the new standard.


Model No. SST-EC03B-P (black)
SST-EC03S-P (silver)
Power requirement 5Vdc via peripheral 4pin power connector
Form factor Single lane(x1) PCIe gen 2.0
USB 3.0 controller NEC uPD720202
USB Ports Dual port USB 3.0 support (one internal connector)
Enclosure Interface USB3.0 (Max. 5Gbps) compatible with USB 2.0
USB bus power output 5Vdc / unlimited current
Transmitting Speed USB 3.0(5Gbit/s), USB 2.0(480Mbit/s), USB 1.1(12Mbit/s)
Operating system support Windows XP, Vista, 7(32bit/64bit), 8(32bit/64bit)
Remark :
* 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.
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EC03-P Manual
513 KB
EC03-P driver. 2011/11/16
9,734 KB
EC03-P driver. 2012/04/02
9,779 KB
EC03-P driver. 2012/06/27
9,808 KB
EC03-P driver. 2013/01/16 (Support Windows 8)NEW
9,293 KB
EC03-P firmware. 2013/01/16 (Support Windows 8)NEW
1,790 KB
EC03-P High resolution photos
1,487 KB

EC03-P eDM (EN-EC03-P.jpg)
202 KB

A:The length of USB 3.0 cable is around 650mm (25.59inches)