Startech PEXUSB3S23 User Manual
2 Port PCI Express PCIe SuperSpeed USB 3.0 Controller Card w/ SATA Power
StarTech ID: PEXUSB3S23
The PEXUSB3S23 2-Port PCI Express USB 3.0 Card lets you add two USB 3.0 ports to any PCI Express-enabled
computer system, with an optional SATA power connector to connect to your system power supply and deliver up to
900mA of power per port to USB 3.0 bus-powered devices (500mA for USB 2.0).
The PCIe USB 3.0 adapter is compliant with USB 3.0 standards for data transfer speeds up to 5 Gbps, while still
offering backward compatibility with existing USB 2.0 / 1.1 devices. For added versatility, the controller card is
equipped with a standard profile bracket and includes a low-profile/half-height bracket for installation in small formfactor computers.
Backed by a StarTech.com 2-year warranty and free lifetime technical support.
Applications
Upgrade an older PCIe-based system with USB 3.0 connectivity to fully utilize USB 3.0 devices
Expand the USB capabilities of your system with two additional external ports
Connect additional external hard drives, CD/DVD drives, MP3 players, printers, scanners, webcams, game
controllers, digital cameras, etc. to a computer system
Features
Provides two external USB 3.0 connections
Supports data rates up to 5 Gbps
Compliant with PCI Express 2.0 specifications
Optional SATA power connector provides up to 900mA per USB port
Fully compliant with USB 3.0 rev 1.0 and Intel xHCI rev 1.0 specifications
Backward compatible with USB 2.0 and USB 1.0/1.1 devices
Includes a Low Profile/half-height installation bracket
Technical Specifications
Warranty 2 Years
Bus Type PCI Express
Card Type Standard Profile (LP bracket incl.)
Chipset ID Etron - EJ168A
Interface USB 3.0
Port Style Integrated on Card
Ports 2
Connector Type(s) 1 - PCI Express x1 Male
External Ports 2 - USB 3.0 A (9 pin; SuperSpeed) Female
Internal Ports 1 - SATA Power (15 pin) Plug
Maximum Cable Length 9.8 ft [3 m]
Type and Rate USB 3.0 - 5 Gbit/s
UASP Support No
OS Compatibility Windows® 8 (32/64bit), 7 (32/64), Vista(32/64), XP(32/64) Windows® Server 2008
R2 , 2003 (32/64)
Product Height 4.7 in [120 mm]
Product Length 3.1 in [80 mm]
Product Weight 2.1 oz [60 g]
Product Width 0.8 in [21 mm]
Humidity 10~90% RH, Non-condensing
Operating Temperature 0°C to 60°C (32°F to 140°F)
Storage Temperature 0°C to 80°C (32°F to 176°F)
System and Cable
Requirements
Available PCI Express slot
Included in Package 1 - PCI Express USB 3.0 card
Included in Package 1 - Low Profile Bracket
Included in Package 1 - Driver CD
Included in Package 1 - Instruction Manual
Shipping (Package) Weight 4.6 oz [130 g]
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