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 64 GB DDR5 4800 CL40 ECC registered DIMMs deliver 512 GB for SuperMicro SuperWorkstation SYS-551A-T systems
This NEMIX RAM kit delivers 512GB across eight 64GB DDR5 4800 registered DIMMs. It operates at 1.1V with CL40 latency and 2Rx4 organisation. ECC and registered buffering protect data integrity in Supermicro SuperWorkstation SYS-551A-T and Super X13SWA-TF systems.
Suited for administrators populating every slot in compatible Supermicro platforms for virtualisation, databases or large datasets. Not suited for consumer desktop boards that lack RDIMM support or for workloads requiring speeds above DDR5 4800.
The kit comfortably handles memory-intensive server workloads across all populated channels. Headroom ends at the DDR5 4800 JEDEC limit; applications demanding higher frequencies or lower latencies will require platforms qualified for faster modules.
| Brand | NEMIX RAM |
|---|---|
| Series | SuperMicro Server/Workstation Compatible Series Memory |
| Model | SuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-924K8 |
| Capacity | 512GB (8 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 | 512GB (8X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT |
The kit provides eight 64 GB RDIMMs for a total of 512 GB; the Supermicro SYS-551A-T must support 64 GB 2Rx4 DDR5 4800 registered ECC modules to use the full capacity.
Yes, if the installed memory is also DDR5 4800 registered ECC at 1.1 V with matching timings, the modules can operate together; mixed ranks or speeds will force the system to run at the lowest common settings.
Check the BIOS memory information or run a tool such as dmidecode — it should show 4800 MT/s, CL40, 1.10 V, registered ECC and 2Rx4 organisation for each of the eight modules.
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