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4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART

Product ID: MPEX4S552

Add Four RS232 Serial Ports to an Embedded System through a mini PCI Express Slot

Features
  • Four high speed RS232 serial ports with data transfer rates up to 921.6 Kbps

  • High Performance 16650 UART

  • Includes 4x 30cm IDC to DB9 serial cables

More Features . . .
  • 256-byte deep FIFO per transmitter and receiver

  • Native single-chip, single lane PCI Express

  • In-band software flow control, using programmable Xon/Xoff in both directions

  • Automated out-of-band hardware flow control using RTS/CTS

  • Compliant with PCI Express base specifications revision 1.1

Prices may be lower from Resellers:

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Available in
$117.99 USD

ID: MPEX4S552

In stock: ?
USA: 16  |  Canada: 3
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We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.


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The MPEX4S952 4-Port RS232 Mini PCI Express Serial Card (16650 UART) turns a mini-PCIe slot into four RS232 (DB9) serial ports with data rates up to 921.6 Kbps - a cost-saving solution for adding serial support to embedded systems missing the functionality.

A native PCIe single-chip design enables you to take advantage of full PCI Express bus capability, by providing improved speed and reliability while reducing the load applied to the CPU by as much as 48% over conventional "bridge chip" serial cards .

Backed by a StarTech.com Lifetime Warranty and free lifetime technical support.

The StarTech.com Advantage
  • The smallest form factor available, for internally adding serial ports to any embedded system
  • Native single-chip design means up to 48% less load on your CPU which is critical for small embedded PCs that use low power, low MHz CPUs
Common Customer Questions

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Compatible With

View full OS compatibility

Windows® DOS, 95, 98SE, 2000, CE 5.0/6.0, Embedded System 2009, POS Ready 2009, XP Embedded, XP, Vista, 7, 8, 8.1, 10
Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016
Mac OS® 10.4 to 10.10
Linux 3.5.x to 4.11.x LTS Versions Only

Applications
  • Add serial ports to industrial embedded computers and systems
  • Add RS232 serial control to an embedded or slim media center/media server/all-in-one PC
  • Add RS232 serial ports to slimline POS systems
Product Numbers
Warranty Information
Warranty Lifetime
Hardware
Bus Type Mini PCI Express
Card Type Embedded
Chipset ID ASIX - MCS9904CV-AA
Industry Standards PCI Express Base Specification, Revision 1.1
Interface Serial
Port Style Dongle (Included)
Ports 4
Performance
Data Bits 5, 6, 7, 8
FIFO 256 Bytes
Flow Control None, Xon/Xoff, RTS/CTS
Max Baud Rate 921.6 Kbps
Parity None, Odd, Even, Space, Mark
Serial Protocol RS-232
Stop Bits 1, 1.5, 2
Connector(s)
Connector Type(s) 1 - Mini PCI Express x1 (52 pin) Male
External Ports 4 - DB-9 (9 pin, D-Sub) Male
Software
OS Compatibility Windows® DOS, 95, 98SE, 2000, CE 5.0/6.0, Embedded System 2009, POS Ready 2009, XP Embedded, XP, Vista, 7, 8, 8.1, 10
Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016
Mac OS® 10.4 to 10.10
Linux 3.5.x to 4.11.x LTS Versions Only
Environmental
Humidity 5~95% RH
Operating Temperature 0°C to 55°C (32°F to 131°F)
Storage Temperature -20°C to 85°C (-4°F to 185°F)
Physical Characteristics
Color Green
Product Height 1.2 in [30 mm]
Product Length 2 in [51 mm]
Product Weight 5.3 oz [150 g]
Product Width 0.4 in [10 mm]
Packaging Information
Shipping (Package) Weight 0.4 lb [0.2 kg]
What's in the Box
Included in Package 1 - 4 Port Mini-PCIe Serial Card
4 - DB9 ribbon cable
1 - Driver CD
1 - Instruction Manual
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We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

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We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

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