NEMIX RAM 64GB (4x16GB) DDR5 4800 ECC RDIMM CL40 1.1V 288-Pin Server RAM
- 64GB (4 x 16GB)
- 288-Pin DDR5 RDIMM
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NEMIX RAM
A 512 GB kit of sixteen 32 GB DDR5 4800 CL40 ECC registered RDIMMs validated for Dell PowerEdge R660XS servers
Capacity 512GB (16 x 32GB)
Struck-through versions exist but are not stocked here.
Rank 2Rx4
This registered ECC memory kit delivers 512GB across sixteen 32GB modules built for the Dell PowerEdge R660XS server platform. It targets IT teams running virtualisation clusters, large databases or memory-heavy analytics workloads that require data integrity and full platform validation.
Each 2Rx4 module operates at 1.10V with a CAS latency of 40, providing 38400 MT/s bandwidth per stick. The 512GB total capacity supports dense VM consolidation and in-memory datasets, while the registered buffer maintains signal integrity across all populated slots. Workloads exceeding 512GB or demanding lower latency than CL40 will require a different configuration.
Modules install directly into the R660XS memory slots without additional clearance for heatsinks, freeing airflow for CPU coolers. The kit relies on the server's qualified memory list for compatibility; systems not validated for this part number or requiring unbuffered DIMMs cannot use these modules.
| Brand | NEMIX RAM |
|---|---|
| Series | Dell Series Server Memory |
| Model | Dell Compatible DDR5 ECC Registered RDIMM |
| Part Number | MR38400-324K16 |
| Capacity | 512GB (16 x 32GB) |
| Type | 288-Pin DDR5 RDIMM |
| Speed | DDR5 4800 (PC5 38400) |
| CAS Latency | CL40 |
| Voltage | 1.10V |
| ECC | Yes |
| Buffered/Registered | Registered |
| Rank | 2Rx4 |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Heat Spreader | No |
| Features | DDR5 ECC Registered Server Motherboard Compatible |
Other versions of this model
Same family, different memory, cooler or clock — compare before you commit.
The 512GB kit fills 16 slots with identical 2Rx4 registered ECC modules at 1.1V. Mixing different ranks speeds or voltages can prevent the server from posting so matching the kit is recommended.
Enter the system BIOS or iDRAC and verify all 16 modules show 32GB each at 4800MT/s CL40 1.1V with ECC active. Run the built-in memory diagnostic to check for errors.
The package contains the 16 32GB DDR5 RDIMMs only. No heat spreaders cables or tools are included and the server itself supplies the required 288-pin slots and cooling.
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