This 16 GB DDR4-2133 non-ECC DIMM module is purpose-built for the SIMATIC Rack IPC547G. The DDR4-2133 speed matches the validated memory specification of the IPC547G platform — using a faster module does not increase system performance because the memory controller clocks down to the supported speed.

Why DDR4-2133 and not DDR4-2666?

The IPC547G memory controller operates at DDR4-2133 as its standard supported speed. Installing a faster module results in the controller down-clocking to 2133 MT/s — the extra speed headroom is unused. The -0PA0 suffix modules are validated and priced for this specific platform. For IPC647E/IPC847E platforms that support DDR4-2666, use the -1QA0 (ECC) or -0QA0 (non-ECC) variants instead.

How does this fit into the 2AL80 series?

The 2AL80 series provides 16 GB in three configurations for three distinct IPC platforms: -0PA0 (DDR4-2133) for IPC547G, -0QA0 (DDR4-2666) for desktop IPCs, and -1QA0 (DDR4-2666 ECC) for IPC647E/847E. All three share the same 288-pin DIMM form factor and 16 GB capacity. The suffix determines the validated platform — choose the variant that matches your IPC model documentation.

Key Specifications

Frequently Asked Questions

Can I use a DDR4-2666 module in the IPC547G?

While a DDR4-2666 DIMM will physically fit and the system may boot, Siemens validates only the specified -0PA0 modules for the IPC547G. The memory controller will down-clock to 2133 MT/s regardless. Using non-validated memory module variants may affect system stability and warranty coverage.

Does the IPC547G support 32 GB modules?

The 6ES7648-2AL80 series supports up to 16 GB per module. For 32 GB DIMM support, check the IPC547J platform or the 6ES7648-2AL81 series modules. Always verify the maximum supported module capacity in your IPC platform documentation.