SK hynix HMA42GR7AFR4N-TF 16GB DDR4 2133MHz CL15 ECC Registered Dual Rank 1.2V 288-Pin Server RAM
- 16GB
- 288-Pin DDR4 SDRAM
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NEMIX RAM
256 GB DDR5 4800 ECC registered server memory kit with four 64 GB modules at CL40 and 1.1 V
This 256 GB registered DDR5 kit contains four 64 GB modules built for SuperMicro CloudDC SuperServer platforms. ECC and registered signalling protect data integrity in mission-critical workloads. The kit targets IT teams that need validated, high-density memory for virtualization, database or HPC clusters.
Running at 4800 MT/s (PC5-38400) with CL40 latency, the four modules deliver 256 GB of addressable memory per CPU socket. Dual-rank 2Rx4 organisation maximises density per channel. Workloads exceeding 256 GB per socket will require additional DIMM slots or higher-capacity modules.
Operating at 1.10 V, the modules run without heat spreaders and rely on server chassis airflow for cooling. Registered buffering adds minimal latency while reducing electrical load on the memory controller. Power consumption scales linearly with active ranks under sustained load.
| Brand | NEMIX RAM |
|---|---|
| Series | SuperMicro Server/Workstation Compatible Series Memory |
| Model | SuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-924K4 |
| Capacity | 256GB (4 x 64GB) |
| Speed | DDR5 4800 (PC5 38400) |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.10V |
| Compatible System | Supermicro |
| CAS Latency | CL40 |
| Heat Spreader | No |
| Type | 288-Pin DDR5 RDIMM |
| Rank | 2Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 256GB (4X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT |
This kit uses DDR5 4800 PC5-38400 2Rx4 1.10V CL40 registered ECC RDIMMs; mixing speeds, ranks, voltages or latencies can prevent the server from posting, so match every parameter exactly.
Enter the BIOS or use a tool like dmidecode to verify each 64GB module shows 4800 MT/s, CL40, 1.10V, registered ECC and 2Rx4 organisation.
The box contains four 64GB DDR5 4800 CL40 288-pin ECC RDIMMs; no heat spreaders, cables or additional parts are included and nothing else is needed to install them.
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