£96.56

StarTech .com PCI Express serielle Schnittstellenkarte (4 port, RS232, 16950 UART, 256-Byte-FIFO-Cache, Windows and Linux)

Gray, PEX4S953

Price data last checked 146 day(s) ago - refreshing...

View at Amazon

We'll watch every seller, every day. One email when your price arrives.

About as cheap as it gets. The only time it was cheaper was 9 months ago.

£97 today · all-time low £93 (Aug 2025) · usually the usual

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↓ Price chart
when this has been cheap or pricey
↓ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 288 days • 288 data points (No recent data available)

Historical
Generating forecast...
£113.36 £91.07 £95.94 £100.80 £105.66 £110.52 £115.39 01 April 2025 11 June 2025 22 August 2025 02 November 2025 13 January 2026

Price Distribution

Price distribution over 288 days • 5 price ranges

Days at Price
Current Price
127 days · current 46 days 37 days 34 days 44 days 0 32 64 95 127 £93-97 £97-101 £101-105 £105-109 £109-113 Days at Price

Price Analysis

Most common range: £93-97 (127 days, 44.1%)

Price range: £93 - £113

Price levels: 5 price ranges over 288 days

Key Features

4 PORT SERIAL CARD: Serial controller card w/ 16950 UART based on ASIX AX99100, allows 4x DB9 ports w/bi-directional RS232 speeds up to 921.6Kbps per port, available 256 byte FIFO buffer; Upgraded version of our popular Serial card PEX4S952

OPTIONAL CONFIGURABLE POWER: PCIe multiport serial card provides 12v, 5v, or none through pin 9 w/up to 2A total; Each of the 4 ports are individually configurable; DB44 to 4x DB9 breakout cable incl.

STANDARD PROFILE & LOW PROFILE BRACKET: PCI Express RS232 serial adapter card has standard bracket pre-installed & 1x low profile bracket incl for versatile install; Supports Windows XP and up & Linux

VERSATILE APPLICATIONS: For standard profile desktop/servers with uses in point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, scanners, oscilloscope.

STARTECH.COM ADVANTAGE: IT professionals choice for over 30 years; PCI-e RS232 Serial expansion card is backed for life by StarTech.com, incl. free 24/5 North America based multi-lingual tech support.

Product Specifications

Colour
Gray
Format
Electronics
Domain
Amazon UK
Release Date
11 March 2020
Listed Since
05 March 2020

Barcode

No barcode data available

Similar Products You Might Like

StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Dual Serial DB9 Card - 16950 UART - Expansion Card - Windows & Linux (PEX2S953)
99% match

StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Dual Serial DB9 Card - 16950 UART - Expansion Card - Windows & Linux (PEX2S953)

StarTech

£42.13 12 Jan 2026
StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows & Linux (PEX1S953LP)
99% match

StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows & Linux (PEX1S953LP)

StarTech

£40.99 14 Jan 2026
StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows, macOS, Linux (PEX2S953LP)
99% match

StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows, macOS, Linux (PEX2S953LP)

StarTech

£47.19 18 Mar 2026
StarTech.com PCI Express serielle Schnittstellenkarte (4 Ports, 16950 UART, Low Profile, 256-Byte-FIFO-Cache)
98% match

StarTech.com PCI Express serielle Schnittstellenkarte (4 Ports, 16950 UART, Low Profile, 256-Byte-FIFO-Cache)

StarTech

£91.99 06 Jan 2026
StarTech.com 8-Port PCI Express RS232 Serial Adapter Card, PCIe to Serial DB9 Card, 16C1050 UART, 15kV ESD - Windows Only
98% match

StarTech.com 8-Port PCI Express RS232 Serial Adapter Card, PCIe to Serial DB9 Card, 16C1050 UART, 15kV ESD - Windows Only

StarTech

£175.99 14 Jan 2026
StarTech.com 2-Port PCI Express Serial Card with 16C1050 UART - RS232 Low Profile Serial Card - PCI Serial Card (PEX2S1050) ,Black
98% match

StarTech.com 2-Port PCI Express Serial Card with 16C1050 UART - RS232 Low Profile Serial Card - PCI Serial Card (PEX2S1050) ,Black

StarTech

£46.99 14 Jan 2026
StarTech 8-Port PCIe RS232 Card - Low Profile, 15kV ESD, Windows
98% match

StarTech 8-Port PCIe RS232 Card - Low Profile, 15kV ESD, Windows

StarTech

£175.99 08 Feb 2026
EXSYS EX-44342 2S Serial RS-232 1P Parallel Multi IO PCIe Card (MosChip)
97% match

EXSYS EX-44342 2S Serial RS-232 1P Parallel Multi IO PCIe Card (MosChip)

EXSYS

£64.30 12 Jan 2026
StarTech.com 2-Port PCI Express RS232 Serial Adapter Card, PCIe to Dual Serial DB9, Windows,Linux, TAA - Replaced by PEX2S953
97% match

StarTech.com 2-Port PCI Express RS232 Serial Adapter Card, PCIe to Dual Serial DB9, Windows,Linux, TAA - Replaced by PEX2S953

StarTech

Out of Stock 22 Jan 2026
StarTech.com PCI Express Serial Card - 16 DB9 RS232 Ports - Low + Full Profile - Multiport Serial Adapter - PCIe Serial Card (PEX16S550LP)
97% match

StarTech.com PCI Express Serial Card - 16 DB9 RS232 Ports - Low + Full Profile - Multiport Serial Adapter - PCIe Serial Card (PEX16S550LP)

StarTech

£305.99 09 Jan 2026
StarTech.com PCIe Card with Serial and Parallel Port - PCI Express Combo Adapter Card with 1x DB25 Parallel Port & 1x RS232 Serial Port - Expansion/Controller Card - PCIe Printer Card (PEX1S1P950)
97% match

StarTech.com PCIe Card with Serial and Parallel Port - PCI Express Combo Adapter Card with 1x DB25 Parallel Port & 1x RS232 Serial Port - Expansion/Controller Card - PCIe Printer Card (PEX1S1P950)

StarTech

£39.15 08 Jan 2026
Conceptronic 4 Port DB9-RS232 Serial PCIe Card
97% match

Conceptronic 4 Port DB9-RS232 Serial PCIe Card

Conceptronic

£64.78 09 Jan 2026
EX-46028 8S Serial RS-232 PCIe Card
97% match

EX-46028 8S Serial RS-232 PCIe Card

EXSYS

£136.03 06 Jan 2026
KALEA-INFORMATIQUE 2 port RS422 RS485 PCI Express PCIe controller card with EXAR XR17V352 Chipset. Windows XP/Vista/Seven/8/10/11, Windows Server 2003/2008/2012, Linux
97% match

KALEA-INFORMATIQUE 2 port RS422 RS485 PCI Express PCIe controller card with EXAR XR17V352 Chipset. Windows XP/Vista/Seven/8/10/11, Windows Server 2003/2008/2012, Linux

KALEA-INFORMATIQUE

£58.24 06 Apr 2026
EXSYS EX-41388 8S Serial RS232 PCI Card with Octopus Cable and Low Profile Bracket
97% match

EXSYS EX-41388 8S Serial RS232 PCI Card with Octopus Cable and Low Profile Bracket

EXSYS

£144.76 08 Jan 2026
StarTech.com 1-Port USB 3.2 Gen 2x2 PCIe Card, USB-C 20Gbps PCI Express 3.0 x4 Adapter, Data Only, Windows/macOS/Linux, TAA
97% match

StarTech.com 1-Port USB 3.2 Gen 2x2 PCIe Card, USB-C 20Gbps PCI Express 3.0 x4 Adapter, Data Only, Windows/macOS/Linux, TAA

StarTech

£46.83 18 Feb 2026
StarTech.com 5-Port USB PCIe Card - 10Gbps USB 3.1 Gen 2 PCIe Card w/ 1x USB-C & 2x USB-A - 1x 2 Port IDC (Internal 5Gbps USB Header Expansion) - USB C PCI Express Controller Card (PEXUSB312A1C1H)
97% match

StarTech.com 5-Port USB PCIe Card - 10Gbps USB 3.1 Gen 2 PCIe Card w/ 1x USB-C & 2x USB-A - 1x 2 Port IDC (Internal 5Gbps USB Header Expansion) - USB C PCI Express Controller Card (PEXUSB312A1C1H)

StarTech

£68.88 17 Mar 2026
StarTech.com 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable - PCIe Serial Parallel Card (PEX2S1P553B)
96% match

StarTech.com 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable - PCIe Serial Parallel Card (PEX2S1P553B)

StarTech

£42.66 12 Jan 2026
Syba Multimedia SI-PEX15037 Dual DB9 Serial Ports PCI Express Card with Low Profile Bracket
96% match

Syba Multimedia SI-PEX15037 Dual DB9 Serial Ports PCI Express Card with Low Profile Bracket

IO Crest

Out of Stock 03 Feb 2026
StarTech 4-Port USB PCIe Card PEXUSB312A2C2V - 10Gbps USB-C & USB-A
96% match

StarTech 4-Port USB PCIe Card PEXUSB312A2C2V - 10Gbps USB-C & USB-A

StarTech

£121.77 12 Jan 2026
StarTech.com 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART - Low Profile Serial Card (PEX4S553)
96% match

StarTech.com 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART - Low Profile Serial Card (PEX4S553)

StarTech

£83.51 13 Jan 2026
KALEA-INFORMATIQUE M.2. 2 RS232 COM DB9 serial ports for M2 PCIe, M or B+M dongle - AX99100 ASIX chipset
96% match

KALEA-INFORMATIQUE M.2. 2 RS232 COM DB9 serial ports for M2 PCIe, M or B+M dongle - AX99100 ASIX chipset

KALEA-INFORMATIQUE

£41.20 11 Jan 2026
StarTech.com 8 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub, TAA (ICUSB2328I)
96% match

StarTech.com 8 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub, TAA (ICUSB2328I)

StarTech

£168.48 18 Feb 2026
StarTech.com RS232EXTC1EU Serial DB9 RS232 Extender Over Cat 5, Up to 3300 ft (1000 m)
96% match

StarTech.com RS232EXTC1EU Serial DB9 RS232 Extender Over Cat 5, Up to 3300 ft (1000 m)

StarTech

£164.76 11 Dec 2025