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Siemens SIMATIC RACK PC 840 V2 Industrial PC

Name: Siemens 6ES7643-7CJ21-0XX0
Brand: Siemens
SKU: 6ES7643-7CJ21-0XX0
Availability: InStock

Siemens SIMATIC RACK PC 840 V2 Industrial Computer

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number6ES7643-7CJ21-0XX0

Processor Pentium 4 2.4 GHz

RAM 512 MB DDR SDRAM

Storage 80 GB HDD

Drives Floppy, DVD-ROM

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12-month warranty

All units tested

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Same-day dispatch

Order by 2pm CST

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Worldwide delivery

US, EU, Asia, Middle East

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Veteran-owned

CAGE: 9NK75

2.4 GHz Pentium 4 CPU 80 GB Hard Drive 512 MB DDR RAM Multiple expansion slots Temperature & fan monitoring Watchdog timer

Product description

The Siemens SIMATIC RACK PC 840 V2 (6ES7643-7CJ21-0XX0) is an industrial rack PC featuring a 2.4 GHz Pentium 4 processor, 512 MB DDR SDRAM, and an 80 GB HDD. It includes a 1.44 MB floppy drive and a DVD-ROM drive, with interfaces for LAN, VGA, serial, parallel, USB, and 10 expansion slots.

Designed for harsh industrial environments, this PC offers robust performance for demanding applications in process control, data acquisition, and machine visualization. Its temperature and fan monitoring, along with a watchdog function, ensure reliable operation under continuous use.

Stanlo Automation, your veteran-owned source for surplus industrial automation parts, provides the Siemens SIMATIC RACK PC 840 V2. Equip your facility with reliable computing solutions from our inventory.

Technical specifications

Processor	Pentium 4 2.4 GHz
RAM	512 MB DDR SDRAM
Storage	80 GB HDD
Drives	Floppy, DVD-ROM
Interfaces	LAN, VGA, Serial, Parallel, USB
Slots	10 (PCI, ISA)

Common applications

Industrial Control

Data Acquisition

Machine Visualization

Process Automation

Factory Automation

Compatible systems

Industrial automation software requiring Pentium 4 class hardware

Also known as

SIMATIC RACK PC 840 V2

Replaces / compatible with

This unit is a component of the SIMATIC RACK PC series. For current offerings, consider newer Siemens industrial PC platforms.

Technical note

Expert tip

This unit is supplied without an operating system, requiring installation by the end-user.

What happens next?

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Frequently asked questions

What are the key specifications of the Siemens SIMATIC RACK PC 840 V2 (6ES7643-7CJ21-0XX0)?

The Siemens SIMATIC RACK PC 840 V2 features a 2.4 GHz Pentium 4 processor, 512 MB DDR SDRAM, and an 80 GB EIDE HDD. It includes a DVD-ROM drive, multiple interface ports (LAN, VGA, Serial, Parallel, USB), and 10 expansion slots for customization.