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
Adds 32 GB of DDR5 ECC registered server memory at 4800 MT/s with CL40 latency
This 32 GB DDR5 module is built for Samsung server and workstation platforms that require registered ECC memory. The single-rank 1Rx4 organisation keeps electrical loading low while delivering a full 32 GB per slot. IT teams can populate empty DIMM sockets to expand memory capacity without mixing module densities. It targets administrators who need guaranteed compatibility with Samsung-qualified systems.
Running at 4800 MT/s (PC5-38400) with CL40 latency, the module supplies the throughput expected from mainstream DDR5 server platforms. Error-correcting code protects data integrity during sustained workloads such as virtualisation, database serving or scientific compute. The registered buffer adds signal stability when multiple modules are installed, though single-channel bandwidth will saturate before the module reaches its density limit in memory-bound tasks.
The standard 288-pin DDR5 RDIMM layout fits any server motherboard that accepts registered DDR5 DIMMs and operates at the JEDEC 1.1 V level. No heat spreader is fitted, so airflow across the PCB must be provided by the chassis fan wall. Builders gain a direct drop-in part that requires no voltage tuning, freeing configuration time for firmware validation instead of memory training.
| Brand | NEMIX RAM |
|---|---|
| Series | Samsung Server/Workstation Compatible Series Memory |
| Model | Samsung DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-314K1 |
| Capacity | 32GB |
| Speed | DDR5 4800 (PC5 38400) |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.10V |
| Compatible System | Samsung |
| CAS Latency | CL40 |
| Heat Spreader | No |
| Type | 288-Pin DDR5 RDIMM |
| Rank | 1Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 32GB (1X32GB) DDR5 4800MHZ PC5-38400 1Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory |
The module operates at 4800MHz CL40 1.10V; the system memory controller will clock all installed DDR5 RDIMMs to the lowest common speed and latency, so slower modules will set the pace.
Check the BIOS memory information or OS tools such as dmidecode — they should report 32GB, DDR5 4800, registered ECC, rank 1Rx4 and CAS latency 40.
The package contains only the 32GB 288-pin DDR5 4800 CL40 1.1V ECC RDIMM; no heat spreader or additional parts are included.
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