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The Samsung M393A4K40EB3-CWE is a 32 GB DDR4 registered DIMM rated at DDR4-3200 (PC4-25600). It is a 2Rx4 (4Gx72) module running at 1.2 V in the standard 288-pin DDR4 form factor.
DDR4 RDIMMs remain in use across a large installed base of servers, including 2nd and 3rd Gen Intel Xeon Scalable and AMD EPYC 7002 and 7003 platforms. This module is useful for expanding memory or replacing failed DIMMs in those systems. DDR4 and DDR5 modules are not interchangeable. Match capacity, rank and speed with the modules already installed, and check your server's qualified memory list before ordering.
| Capacity | 32 GB |
|---|---|
| Type | DDR4 RDIMM (registered, ECC) |
| Speed | DDR4-3200 (PC4-25600) |
| Organization | 2Rx4 (4Gx72) |
| Voltage | 1.2 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)
DDR4 SDRAM · 8 Gb · DDR4-3200
64 GB, DDR5-5600, ECC RDIMM, 2Rx4, 1.1 V
64 GB, DDR5-4800, ECC RDIMM, 2Rx4, 1.1 V
64 GB, DDR5-5600, ECC RDIMM, 2Rx4, 1.1 V
