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
A 32 GB dual-channel DDR5 kit with ECC and registered buffering for Supermicro servers
This 32 GB kit delivers two 16 GB DDR5-4800 registered DIMMs built for Supermicro X13SEI-F and X13SEI-TF motherboards. ECC and registered buffering provide the data integrity required in server and workstation environments. The modules operate at 1.1 V with CL40 latency. They suit administrators upgrading memory in validated Supermicro platforms.
Each module uses the standard 288-pin DDR5 RDIMM form factor and draws 1.1 V, so the platform must supply registered DDR5 slots with matching voltage regulation. Two DIMM slots are consumed by the kit, leaving remaining slots available for further capacity expansion. No heat spreaders are fitted, ensuring compatibility with tight server chassis airflow paths. The 1Rx8 organisation works with the memory controller on the listed Supermicro boards.
Modules are stress-tested under load to verify stability during continuous operation in mission-critical deployments. ECC detection and correction maintain data accuracy across extended compute tasks. Registered signalling reduces electrical load on the memory bus, helping signal integrity at full population. The 1.1 V operating voltage supports efficient power draw during prolonged workloads.
| Brand | NEMIX RAM |
|---|---|
| Series | SuperMicro Server/Workstation Compatible Series Memory |
| Model | SuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-618K2 |
| Capacity | 32GB (2 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 | 32GB (2X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT |
The kit runs at the standard 1.10 V for DDR5, so power draw and heat remain at JEDEC baseline levels during continuous operation.
With no heat spreaders and a low 1.10 V operating voltage, the modules add negligible thermal load and produce no audible noise themselves.
A SuperMicro X13SEI-F or X13SEI-TF motherboard with DDR5 RDIMM slots is needed; the kit is validated for those specific boards.
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