Introduction

Add 2 RS-232 serial ports to your standard or small form factor computer through a PCI Express expansion slotThe PEX2S553 PCI Express serial card lets you turn a PCI Express slot into 2 RS232 (DB9) serial ports. Based on a native single chip design (no bridge chip), this 2-port serial adapter card allows you to harness the full capability offered by PCI Express (PCIe), and reducing the load applied to the CPU by as much as 48% over conventional serial cards.The RS232 Serial Adapter Card (PEX2S553) is compatible with a broad range of operating systems including Windows® and Linux Kernel 2.6.11 to 4.11.x, and MAC OS 10.4 and above.Plus, the serial card includes an optional half-height/low profile bracket that allows the card to be installed in any PCI Express slot, regardless of the size of the computer case.This product is a replacement for our PEX2S552 card.Backed by a StarTech.com 2-year warranty and free lifetime technical support.The StarTech.com Advantage

Ports & interfaces

Host interface

PCIe

Output interface

Serial

Expansion card standard

PCIe 1.0

Serial ports quantity

2

Serial interface type

RS-232

Peripheral (Molex) power connectors (4-pin)

1

Design

Internal

Y

Product colour

Green

Certification

CE, FCC, REACH

Features

Chipset

ASIX - MCS9922CV-AA

Baud rate

460.8 Kbit/s

FIFO (First In, First Out)

128 B

Operational conditions

Operating temperature (T-T)

-10 - 80 °C

Storage temperature (T-T)

-20 - 100 °C

Operating relative humidity (H-H)

5 - 85%

System requirements

Windows operating systems supported

Windows 10,Windows 10 Education,Windows 10 Education x64,Windows 10 Enterprise,Windows 10 Enterprise x64,Windows 10 Home,Windows 10 Home x64,Windows 10 IOT Core,Windows 10 Pro,Windows 10 Pro x64,Windows 10 x64,Windows 2000,Windows 7,Windows 7 Enterprise,Windows 7 Enterprise x64,Windows 7 Home Basic,Windows 7 Home Basic x64,Windows 7 Home Premium,Windows 7 Home Premium x64,Windows 7 Professional,Windows 7 Professional x64,Windows 7 Starter,Windows 7 Starter x64,Windows 7 Ultimate,Windows 7 Ultimate x64,Windows 7 x64,Windows 8,Windows 8 Enterprise,Windows 8 Enterprise x64,Windows 8 Pro,Windows 8 Pro x64,Windows 8 x64,Windows 8.1,Windows 8.1 Enterprise,Windows 8.1 Enterprise x64,Windows 8.1 Pro,Windows 8.1 Pro x64,Windows 8.1 x64,Windows 95,Windows 98SE,Windows CE,Windows Vista,Windows Vista Business,Windows Vista Business x64,Windows Vista Enterprise,Windows Vista Enterprise x64,Windows Vista Home Basic,Windows Vista Home Basic x64,Windows Vista Home Premium,Windows Vista Home Premium x64,Windows Vista Ultimate,Windows Vista Ultimate x64,Windows Vista x64,Windows XP Home,Windows XP Home x64,Windows XP Professional,Windows XP Professional x64

Mac operating systems supported

Mac OS X 10.10 Yosemite, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks

Linux operating systems supported

Y

Server operating systems supported

Windows Server 2003,Windows Server 2008 R2,Windows Server 2012,Windows Server 2012 R2,Windows Server 2016,Windows Server 2019

Other operating systems supported

DOS,Windows Embedded POSReady 2009,Windows Embedded Standard 2009,Windows XP Embedded

Technical details

Sustainability certificates

RoHS

Weight & dimensions

Width

120 mm

Depth

105 mm

Height

20 mm

Weight

61 g

Packaging data

Drivers included

Y

Manual

Y

Package width

145 mm

Package depth

175 mm

Package height

32 mm

Package weight

151 g

Logistics data

Products per master (outer) case

75 pc(s)

Master (outer) case width

355 mm

Master (outer) case length

690 mm

Master (outer) case height

310 mm