£56.09

KALEA-INFORMATIQUE M.2 B+M Key to 4 Port COM Serial RS422 RS485 DB9 or Wired Mount Card with WCH384 Chipset.M2 PCIe to RS-422 RS-485 Controller

Name: KALEA-INFORMATIQUE M.2 B+M Key to 4 Port COM Serial RS422 RS485 DB9 or Wired Mount Card with WCH384 Chipset.M2 PCIe to RS-422 RS-485 Controller
Brand: KALEA-INFORMATIQUE
Price: 56.09 GBP
Availability: InStock

Black, 11951130

I/O Port Cards

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£56 today · usual range £52–£57 · best ever £52

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Price distribution over 81 days • 3 price levels

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Most common price: £56 (43 days, 53.1%)

Price range: £52 - £57

Price levels: 3 different prices over 81 days

Description

This card adds four RS422/RS485 industrial serial ports through one PCIe M2 port. Compatible with Windows and Linux environments, this solution supports data rates of up to 230400 bps with integrated hardware FIFO management. Compatibility: Windows, Linux Kernel 2.4, 2.6 and later. For M.2 B+M Key PCI Express 2.0 x1 port or higher in 2280 format. Technical description: M.2 PCI Express 2.0 x1 B+M Key M.2 2280 Host Interface HDM Chipset WCH384. 4 x RS422/RS485 DB9 ports on flexible cords. DB9 adapters / terminal block supplied for wire-to-wire mounting. Built-in UART compatible with 16C550 and 16C570. Transmission rate 1200 bps at 230400 bps. FIFO memory Send/receive buffers 256 bytes. Automatic BIOS allocation of IRQs and I/O addresses. Size 22mm x 80mm, Net Weight 50g Operating temperature: -40°C to +85°C.

Key Features

M.2 B+M Key to 4 Port RS422/RS485 Serial Expansion Card using PCI Express 2.0 x1 interface and WCH384 industrial chipset for RS-422 or RS-485 serial communication applications. For PCIe type M2 port only, not compatible with SATA type M2 ports.

Compatible with Windows and Linux environments, with Plug & Play support, automatic allocation of BIOS system resources and hardware UART compatible 16C550 / 16C570.

Supports transmission rates from 1200 to 230400 bps with 256-byte hardware FIFO buffers to improve data exchange stability and reduce processor load.

Connection by 4 serial connectors on DB9 type cable. Comes with DB9 to terminal block adapters for wired mounting.

Designed for industrial systems, automation, data acquisition equipment, electronic scales, digital displays, serial terminals and professional RS422/RS485 peripherals.

Product Specifications

Brand: KALEA-INFORMATIQUE
Model: 11951130
Colour: Black
ASIN: B0H11XLTNF
Category: Computers & Accessories > Components & Replacement Parts > I/O Port Cards
Domain: Amazon UK
Release Date: 07 May 2026
Listed Since: 09 May 2026

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KALEA-INFORMATIQUE M.2 B+M Key to 4 Port COM Serial RS422 RS485 DB9 or Wired Mount Card with WCH384 Chipset.M2 PCIe to RS-422 RS-485 Controller

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