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The Samsung M321R8GA0PB0-CWM is a 64 GB DDR5 registered DIMM rated at DDR5-5600 (PC5-44800). It is a 2Rx4 module running at 1.1 V in the standard 288-pin DDR5 form factor.
Registered buffering and ECC make it suitable for servers with large, always-on memory configurations, such as current Intel Xeon and AMD EPYC platforms that support DDR5 RDIMMs. A DDR5-5600 module runs at the speed the platform supports, which may be lower depending on the CPU and how many DIMMs are installed per channel. Check your server vendor's qualified memory list for this exact part number before ordering. Pricing is quoted on request.
| Capacity | 64 GB |
|---|---|
| Type | DDR5 RDIMM (registered, ECC) |
| Speed | DDR5-5600 (PC5-44800) |
| Organization | 2Rx4 |
| Voltage | 1.1 V |
| Pins | 288-pin |
Specifications are summarized from manufacturer and listing information; confirm against the manufacturer datasheet before purchase.
Manufacturer datasheet / product page (opens the manufacturer's website)
64 GB, DDR5-5600, ECC RDIMM, 2Rx4, 1.1 V
64 GB, DDR5-4800, ECC RDIMM, 2Rx4, 1.1 V
32 GB, DDR4-3200, ECC RDIMM, 2Rx4, 1.2 V
64 GB, DDR5-5600, ECC RDIMM, 2Rx4, CL46, 1.1 V (Hynix DRAM)
