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Recommended Hardware Specifications for 3CX Phone System

Hardware Requirements

For a list of supported operating systems, go here.

Up to 16 sim calls

CPU

Intel® Core™ i3-3210 Processor (3M Cache, 3.20 GHz)

Memory

2 GB

HDD

SATA 30GB

Can be Virtualized

Yes

NETWORK

100/1000 Mbit/s

Up to 64 Simultaneous Calls

CPU

Intel® Core™ i3-3210 Processor (3M Cache, 3.20 GHz)

Memory

4 GB

HDD

SATA 60GB

Can be Virtualized

Yes

NETWORK

100/1000 Mbit/s

Up to 256 Simultaneous Calls

CPU

Intel® Core™ i7-3770 Processor (8M Cache, up to 3.90 GHz)

Memory

8-10 GB

HDD

SATA 100GB

Can be Virtualized

Yes, requires v15

NETWORK

1Gbit/10Gbit

Up to 1,024 Simultaneous Calls

CPU

Intel Xeon CPU - E5405 2.00 Ghz 2.00 Ghz 2 Processors

Memory

16 GB

HDD

SATA 500GB

Can be Virtualized

Yes, requires v15

NETWORK

1Gbit/10Gbit

General notes

Last Updated: 06.04.2016 - Notes: Information on Intel Processors and CPU family specifications is available here: http://www.intel.com/content/www/us/en/homepage.html. Recording and Voicemail - Every 60 seconds of recorded audio is approximately 1MB. Remember this into consideration when choosing hard disk size.

Logging - Verbose logging consumes disk space. On a busy system the logs folder can consume up to 1GB per day.

Every 5000 calls in full verbosity consume 2GB of HDD space. This list describes the recommended operating systems. For a list of supported operating systems click this link: https://www.3cx.com/docs/supported-operating-systems/.

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