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 128 GB DDR5 ECC registered server memory kit with two 64 GB modules running at 4800 MT/s and CL40 latency
This NEMIX RAM kit provides 128GB of DDR5 4800 ECC registered memory in a dual 64GB module configuration. It operates at 1.1V with CL40 latency and uses a 2Rx4 rank structure on 288-pin RDIMMs. The modules are validated for specific SuperMicro CloudDC SuperServer platforms.
This memory suits administrators upgrading SuperMicro SYS-621C-TN12R, SYS-611C-TN4R or SYS-121C-TN2R servers where registered ECC DDR5 is required. It is not for desktop PCs, workstations needing unbuffered DIMMs or systems that cannot accept registered modules or the DDR5 4800 standard.
The 128GB total capacity handles large virtualisation workloads, in-memory databases and multi-tenant container clusters. Headroom remains for adding further kits if the motherboard provides additional slots. Workloads exceeding 128GB or requiring speeds above DDR5 4800 will need a different configuration.
| Brand | NEMIX RAM |
|---|---|
| Series | SuperMicro Server/Workstation Compatible Series Memory |
| Model | SuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-924K2 |
| Capacity | 128GB (2 x 64GB) |
| 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 | 2Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 128GB (2X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT |
Yes, the 2x64GB modules are 288-pin DDR5 RDIMMs built for SuperMicro CloudDC SuperServer platforms such as SYS-621C-TN12R, SYS-611C-TN4R and SYS-121C-TN2R.
The motherboard will run all populated slots at the lowest common speed and latency, so older DDR5 modules will force this kit down to their slower timing.
Check the BIOS memory information screen or run a tool such as dmidecode to verify 4800 MT/s, CL40, 1.1V and ECC registered status for each 64GB module.
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