StarTech .com 4 Port PCI Express RS232 Serial Adapter Card

Delivered between Wed, 22.4. and Tue, 28.4.
7 pieces in stock at supplier
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Product details

PCI Express to serial adapter | 921.6Kbps | Windows and Linux compatible

This PCI Express RS232 serial adapter card allows you to add four RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot, functioning as if they were native serial ports. The 4-port PCIe serial card enables interaction with serial devices, such as card readers, printers, PIN pads, and modems, at speeds of up to 921.6Kbps.

Maximum compatibility

With broad operating system support, including Windows and Linux, this multiport PCIe serial card is easy to integrate into mixed environments. The card comes pre-configured with a full-sized bracket and includes an optional low-profile bracket, making installation straightforward regardless of the case form factor. This expansion card is a direct replacement for PEX4S952.

Experience optimal technology

This PCIe to serial adapter supports the following features:

  • Industry standard 16950 UART compatible
  • Supports maximum baud rate of up to 921.6Kbps
  • Provides 5/12V power output on Pin 9 when external power is connected
  • 256-byte depth FIFO cache per transmitter and receiver
  • Supports 9, 8, 7, 6, 5 data bits (one per port)
  • Asix AX99100 chipset
  • Base PCI Express 1.1 compliant

The choice of IT professionals since 1985

StarTech.com conducts thorough compatibility and performance testing on all our products to ensure we meet or exceed industry standards and provide high-quality products to IT professionals. Our local StarTech.com Technical Advisors have broad product expertise and work directly with our StarTech.com Engineers to provide support for our customers both pre and post-sales.

PEX4S953 is backed by a StarTech.com lifetime warranty and free lifetime technical support.

The StarTech.com advantage.

Key specifications

Expansion card form factor
Low profile
Data ports
RS-232 (4x)
Expansion slot
PCI Express x1 (1x)

General information

Item number
14183549
Manufacturer
StarTech
Category
Controller cards
Manufacturer no.
PEX4S953
Release date
9.3.2022

Controller properties

Expansion card form factor
Low profile

Peripheral port

Data ports
RS-232 (4x)

Internal interfaces

Expansion slot
PCI Express x1 (1x)

Origin

Country of origin
China

Voluntary climate contribution

CO₂ emissions
54.45 kg
Climate contribution
CHF 1.30

Product dimensions

Weight
50 g
Width
63 mm
Length
75 mm

30-day right of return
24 Months Warranty (Bring-in)
7 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Controller cards» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.StarTech
    0.4 %
  • 2.ASUS
    0.6 %
  • 2.Digitus
    0.6 %
  • 4.Exsys
    0.9 %
  • 5.Delock
    1 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • ASUS
    Not enough data
  • Conceptronic
    Not enough data
  • Delock
    Not enough data
  • Digitus
    Not enough data
  • Exsys
    Not enough data

Unfortunately, we don't have enough data for this category yet.

Return rate

How often is a product of this brand in the «Controller cards» category returned?

Source: Digitec Galaxus
  • 2.Digitus
    3.3 %
  • 4.Conceptronic
    4 %
  • 4.StarTech
    4 %
  • 6.Exsys
    5.4 %
  • 7.ASUS
    19.2 %
Source: Digitec Galaxus