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
Eight registered DDR5 modules deliver 128 GB of ECC server memory at 4800 MT/s for SuperMicro CloudDC systems
This NEMIX RAM kit delivers 128GB of DDR5 4800 registered ECC memory across eight 16GB modules. It is built for SuperMicro CloudDC SuperServer platforms including the SYS-621C-TN12R, SYS-611C-TN4R and SYS-121C-TN2R. The modules run at 1.10V with CL40 latency and use a 288-pin RDIMM form factor.
This kit suits IT teams adding maximum capacity to the listed SuperMicro CloudDC SuperServer models where registered ECC DDR5 is required. It is not for desktop PCs, workstations or laptops that accept only unbuffered UDIMM memory. Buyers needing lower densities, different speeds or non-ECC modules should look at other configurations.
The single specification that determines compatibility is the registered ECC DDR5 4800 standard with 1Rx8 organisation and 1.10V operation. Only systems qualified for this exact module type and pin-out will accept the kit. Verify the server memory list before ordering to ensure the platform supports 128GB in this configuration.
| Brand | NEMIX RAM |
|---|---|
| Series | SuperMicro Server/Workstation Compatible Series Memory |
| Model | SuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-618K8 |
| Capacity | 128GB (8 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 | 128GB (8X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT |
Each 16 GB module runs at 1.10 V; total draw depends on the server's memory controller and workload, so consult the SuperMicro platform specifications for exact figures.
The kit is validated for SuperMicro CloudDC SuperServer SYS-621C-TN12R, SYS-611C-TN4R and SYS-121C-TN2R platforms.
Mixing ranks, speeds or vendors can prevent the system from posting; for stability, populate all channels with identical 1Rx8 4800 CL40 modules.
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