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
128 GB registered DDR5 ECC kit with four 32 GB modules at 4800 MT/s CL40 and 1.1 V
This kit provides 128GB of DDR5 memory across four 32GB registered DIMMs. It targets administrators upgrading SuperMicro X13SEI-F or X13SEI-TF platforms that require ECC RDIMM modules. The 1Rx4 organisation suits high-density server configurations.
Each module operates at 1.1V with a CL40 latency and includes on-die error-correction plus registered buffering. The combination reduces electrical load on the memory controller while protecting data integrity under sustained workloads. No heat spreaders are fitted.
Running at DDR5-4800 (PC5-38400) the kit delivers ample throughput for virtualisation, database and compute tasks on supported SuperMicro boards. Capacity scales to the board’s maximum slot count; workloads needing higher clock speeds or lower latency will exceed this specification.
| Brand | NEMIX RAM |
|---|---|
| Series | SuperMicro Server/Workstation Compatible Series Memory |
| Model | SuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-314K4 |
| Capacity | 128GB (4 x 32GB) |
| 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 | 1Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 128GB (4X32GB) DDR5 4800MHZ PC5-38400 1Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT |
DDR5 RDIMM modules are solid-state components with no moving parts and require no scheduled maintenance or replacement under normal server operating conditions.
The registered buffer and ECC logic impose the primary latency ceiling, so sustained throughput is bounded by the CL40 timing at 4800 MT/s rather than thermal or power limits.
Operating at 1.1 V across four 32 GB ranks keeps power draw low and heat output minimal, allowing standard server airflow to maintain stable temperatures without additional cooling.
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