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
16 GB DDR5 4800 ECC registered DIMM for Cisco UCS X410c M7 compute nodes
This is a 16 GB DDR5 registered DIMM built to the 288-pin server standard. It operates at 4800 MT/s with a CAS latency of CL40 and runs at 1.1 V. The module uses a single-rank 1Rx8 organisation and includes on-die ECC for data-integrity protection.
The stick is validated for the Cisco UCS X410c M7 compute node, so administrators expanding that platform can install it with confidence. Buyers who need unbuffered memory for a workstation or desktop board should look elsewhere because this module is registered and will not function in consumer slots.
Installing the DIMM adds 16 GB of error-correcting capacity to each populated channel, freeing the memory controller from single-bit errors without extra software overhead. The 1.1 V operating voltage matches the DDR5 baseline, so the server’s existing power delivery handles the load without additional configuration.
| Brand | NEMIX RAM |
|---|---|
| Series | Cisco Server Compatible Series Memory |
| Model | Cisco DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-618K1 |
| Capacity | 16GB |
| Speed | DDR5 4800 (PC5 38400) |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.10V |
| Compatible System | Cisco |
| CAS Latency | CL40 |
| Heat Spreader | No |
| Type | 288-Pin DDR5 RDIMM |
| Rank | 1Rx8 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 16GB (1X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory |
This module is built for the Cisco UCS X410c M7 compute node and will only function in that platform.
The system will run all populated slots at the speed and voltage of the slowest module, so older DIMMs force this kit to downclock.
Check the Cisco UCS Manager inventory or the BIOS memory information screen; it should show 16 GB at 4800 MT/s with ECC enabled.
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