Startech PCIe 4 Port Multiconnector Expansion Card

Add 4 RS232 serial ports to any PC using a single PCI Express expansion slot. The PEX4S553B 4-Port PCI Express Serial Card (with breakout cable) lets you add 4 RS232 serial ports using a single PCIe expansion slot, with an included 1-to-4 cable enabling you to add 4 serial ports to a single low profile slot.

The serial 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 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, Linux, and MAC OS.

The StarTech.com Advantage:
- Lower CPU load of native single-chip, single lane PCI Express design ensures optimal system performance (up to 48% less CPU load)
- Includes both standard and low profile/half-height brackets, which makes this the perfect card for any application, including small form factor embedded applications
- Breakout cable design means that only one expansion slot is needed, to add 4 additional serial ports to any system


Specifications:

Ports & interfaces:
- Host interface: PCIe
- Output interface: Serial
- Serial ports quantity: 4
- Serial interface type: RS-232

Design:
- Internal: Yes
- RoHS compliance: Yes
- Certification: REACH, CE
- ChipsetASIX Moschip MCS9904CV-AA
- Baud rate: 230.4 Kbit/s
- FIFO (First In, First Out): 256 B
- Data bits: 5,6,7,8
- Parity bit: Even, Mark, N, Odd

Operational conditions:
- Operating temperature (T-T): 0 - 70 °C
- Storage temperature (T-T): -40 - 85 °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 2000 Professional,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 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,Windows XP Home,Windows XP Home x64,Windows XP Professional,Windows XP Professional x64
- Mac operating systems supportedMac OS X 10.10 Yosemite, Mac OS X 10.3 Panther, 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: Yes
- 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 supportedDOS,Windows Embedded POSReady 2009,Windows Embedded Standard 2009,Windows XP Embedded

Weight & dimensions:
- Width: 12 mm
- Depth: 80.5 mm
- Height: 68 mm
- Weight: 239 g

Packaging data:
- Cables included: Serial
- Mounting brackets included: Yes
- Drivers included: Yes
- Manual: Yes
- Package width: 208 mm
- Package depth: 145 mm
- Package height: 41 mm
- Package weight: 343 g

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