This 4 GB DDR4-2133 non-ECC DIMM module is the base-capacity memory option for the SIMATIC Rack IPC547G. Validated at the IPC547G native DDR4-2133 speed, it serves dedicated single-function rack IPC roles where the application footprint is compact and well-defined.

When is 4 GB the right choice for a rack IPC?

4 GB suits dedicated communication processors, protocol converters, and single-task automation servers running on IPC547G hardware. For IPCs running a full Windows OS with Siemens automation software, 8 GB or more is recommended. The 4 GB module is the precision match for workloads where larger capacities add cost without adding value — the right tool for a narrow job.

What are the upgrade options from 4 GB on the IPC547G?

The IPC547G supports the full 2ALxx -0PA0 range: 4 GB (-0PA0), 8 GB (6ES7648-2AL70-0PA0), and 16 GB (6ES7648-2AL80-0PA0). All run at DDR4-2133 and share the same 288-pin DIMM form factor. To upgrade, replace the 4 GB module with a larger -0PA0 variant. No BIOS changes are required — the system auto-detects the new capacity.

Key Specifications

Frequently Asked Questions

Can I run STEP 7 on a 4 GB IPC?

STEP 7 V5.x can operate on 4 GB for small projects. However, TIA Portal requires 8 GB minimum for practical use. For IPCs intended as engineering stations, Siemens recommends 8 GB or more. The 4 GB module is better suited to runtime-only IPC deployments where the engineering software runs on a separate workstation.

Is this module still in active production?

The 6ES7648-2AL60 series is listed with active product status. However, as memory densities increase, lower-capacity industrial DIMMs may have longer lead times. For new IPC547G deployments, also check the current-generation IPC547J platform with its corresponding 6ES7648-2AL81 series memory modules.