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
96GB DDR5 ECC RDIMM kit of six 16GB modules at 4800MHz CL40 for SuperMicro servers
This 96GB kit contains six 16GB DDR5-4800 registered DIMMs with ECC and a CL40 latency. It is built for Supermicro X13SEI-F and X13SEI-TF motherboards in server and workstation deployments. The modules operate at 1.1V using major OEM DRAM from Samsung Micron or Hynix. IT professionals who need validated compatibility for mission-critical systems are the target audience.
Registered DDR5 modules run at 1.1V without heat spreaders and rely on chassis airflow for cooling. Power consumption scales with the six-module population and the 4800 MT/s data rate under normal server workloads. Acoustic output is determined by the system fans rather than the memory itself. The kit is stress-tested under load to verify stable operation in dense configurations.
Under continuous heavy workloads the ECC registered design corrects single-bit errors and maintains data integrity across all six ranks. The 1Rx8 organisation keeps electrical loading predictable during extended compute tasks. Validation on the target Supermicro platforms confirms compatibility without timing surprises. Buyers who need higher capacities per module or faster JEDEC speeds should look elsewhere.
| Brand | NEMIX RAM |
|---|---|
| Series | SuperMicro Server/Workstation Compatible Series Memory |
| Model | SuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-618K6 |
| Capacity | 96GB (6 x 16GB) |
| 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 | 1Rx8 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 96GB (6X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT |
Power down, open the chassis, align each 288-pin module with the DDR5 slots, press firmly until the retention clips click, populate all six channels per the board manual, then enable ECC in BIOS — the step most often missed is confirming ECC is active after POST.
No scheduled maintenance is required; the modules have no heat spreaders and run at 1.1V, so only occasional dust removal from the slots is needed, and replacement occurs only if a module fails.
The CL40 latency at 4800 MT/s sets the throughput ceiling; sustained heavy traffic will hit that timing boundary before thermal or voltage limits become a factor.
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