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 UDIMM module with CL40 timing and 1.1 V operation, built for SuperMicro systems
This module provides 16 GB of DDR5 4800 memory in a single 288-pin UDIMM. It is built for SuperMicro systems that accept non-ECC unbuffered DIMMs at 1.10 V. The CL40 timing and 1Rx8 organisation match the MEM-DR516L-CL01-UN48 specification.
It fits owners of compatible SuperMicro platforms who need a straightforward capacity increase without ECC or registered buffering. Builders requiring ECC error correction, registered modules, or speeds above 4800 MT/s should select a different part.
The memory operates as non-ECC unbuffered DDR5 at 4800 MT/s with CL40 latency. This single characteristic determines whether the module will function in a given SuperMicro motherboard.
| Brand | NEMIX RAM |
|---|---|
| Series | SuperMicro Server/Workstation Compatible Series Memory |
| Model | SuperMicro DDR5 4800MHZ Non-ECC Unbuffered UDIMM |
| Part Number | MD38400-618K1 |
| Capacity | 16GB |
| Speed | DDR5 4800 (PC5 38400) |
| ECC | No |
| Buffered/Registered | Unbuffered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.10V |
| Compatible System | Supermicro |
| CAS Latency | CL40 |
| Heat Spreader | No |
| Type | 288-Pin DDR5 UDIMM |
| Rank | 1Rx8 |
| Features | DDR5 Non-ECC Unbuffered UDIMM Motherboard Compatible |
| Package Content | 16GB (1X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN Non-ECC Unbuffered UDIMM |
The module uses the standard 288-pin DDR5 UDIMM form factor and is built for Supermicro systems; align the notch with the slot key and press down until the retention clips click.
Open both slot clips, match the module notch to the slot key, press firmly until the clips snap shut automatically; the missed step is failing to verify both clips are fully locked.
The module ships without a heat spreader; ensure your chassis provides adequate airflow over the DIMM area, as sustained loads rely on case ventilation rather than a dedicated spreader.
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