StarTech 4 Port RS232 PCI Express Serial Card w/ Breakout Cable Model PEX4S553B Type: PCI Express to Serial Port Card External Ports: 4 x 9-pin DB-9 Male RS-232 Serial Data Transfer Rate: 250 Kbps Operating Systems Supported: Windows 95 / 98SE / 2000 / XP(32/64bit) / Server 2003(32/64bit) / Vista(32/64bit) / 7(32/64bit) / Server 2008 R2 Windows XP Embedded / POS Ready 2009 / Embedded System 2009 OS / CE 5.0 / CE 6.0 DOS Linux Mac OS 10.4.x and up Specifications: Bus Type: PCI Express Chipset ID: MosChip MCS9901 Connector Type(s): 1 - PCI Express x1 Male Microsoft WHQL Certified: Yes Port Style: Dongle (Included) Data Bits: 5, 6, 7, and 8 Parity: Even, Odd, None, Space, and Mark Humidity: 5~85% RH Operating Temperature: 0eC to 70eC (32eF to 158eF) Storage Temperature: -40eC to 85eC (-40eF to 185eF) Dimensions: 0.47" x 3.17" x 2.7" Weight: 1.76 oz.
The PEX4S553B 4-Port PCI Express Serial Card (with breakout cable) lets you add 4 RS232 serial ports using a single PCIe expansion slot. The PCIe Serial Card includes a 1-to-4 break out cable, which enables you to add 4 serial ports to a single low profile slot.The serial adapter card features a native single-chip design that provides optimum reliability and speed, reducing the CPU load by up to 48% over conventional bridge-chip serial cards - a cost-effective solution for connecting legacy serial devices to PCIe-enabled computers.The multi-port serial adapter includes both full profile/height and low profile/half-height brackets for compatibility with standard and small form factor computers, and is compatible with a broad range of operating systems, including Windows 7/Server 2008 R2, 2003/Vista/XP (32 and 64 bit), Linux Kernel 2.6.11 and up, as well as MAC OS 10.5 and above.This product is a replacement for the PEX4S552B card. StarTech.com 4 Port RS232 PCI Express Serial Card w/ Breakout Cable is one of many USB Hubs, Adapters & Switches available through Office Depot. Made by StarTech.