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
64 GB DDR5 ECC registered server memory kit, two 32 GB modules at 4800 MT/s CL40 1.1 V for ASUS RS720A-E12-RS12
This 64 GB kit contains two 32 GB DDR5 4800 registered DIMMs with ECC and a CAS latency of CL40. The modules run at 1.1 V and use a 288-pin 1Rx4 layout built with major OEM chips. They are designed for the ASUS RS720A-E12-RS12 2U dual-processor server.
This memory is validated for the specific ASUS RS720A-E12-RS12 platform. Builders working on other server models, workstations, or consumer motherboards should look elsewhere because the registered ECC design and vendor-specific qualification will not function in those systems.
The decisive specification is the registered ECC RDIMM form factor; the target server only accepts registered modules with error correction. Unbuffered or non-ECC DIMMs are physically incompatible and will not operate in this system.
| Brand | NEMIX RAM |
|---|---|
| Series | ASUS Server Motherboard Compatible Series Memory |
| Model | ASUS DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-314K2 |
| Capacity | 64GB (2 x 32GB) |
| Speed | DDR5 4800 (PC5 38400) |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.10V |
| Compatible System | ASUS |
| CAS Latency | CL40 |
| Heat Spreader | No |
| Type | 288-Pin DDR5 RDIMM |
| Rank | 1Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 64GB (2X32GB) DDR5 4800MHZ PC5-38400 1Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT |
The modules have no heat spreader and run at 1.10V; they are validated for the ASUS RS720A-E12-RS12 platform and require no scheduled firmware updates or pad changes.
The CAS latency of CL40 and the 4800 MT/s data rate set the throughput ceiling before thermal or power limits are encountered.
The kit has no onboard fan or heat spreader, operates at 1.10V, and relies on the server’s chassis airflow; it adds no audible noise of its own.
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