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
1 TB DDR5-4800 ECC registered server memory kit, eight 128 GB modules at CL40 1.10 V for ASUS RS720Q-E11-IMM
This 1 TB memory kit contains eight 128 GB DDR5 RDIMM modules built for the ASUS RS720Q-E11-IMM immersion-cooled server. Registered ECC operation and a low 1.1 V supply keep data integrity high in dense 2U4N chassis. The kit ships as a matched set for immediate population of all slots.
The 4Rx4 organisation and CL40 latency suit virtualisation hosts, database nodes and HPC clusters that demand full memory channels. Workstations or desktops without RDIMM support cannot use these modules. Buyers who need unbuffered DIMMs or lower-density kits should select a different product.
Modules run at DDR5 4800 PC5-38400 continuously while submerged in dielectric fluid, eliminating airflow constraints. Registered buffers and on-die ECC correct errors during multi-hour compute runs without throttling. The 1.10 V operating point reduces thermal density across all eight sticks.
| Brand | NEMIX RAM |
|---|---|
| Series | ASUS Server Motherboard Compatible Series Memory |
| Model | ASUS DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-744K8 |
| Capacity | 1TB (8 x 128GB) |
| 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 | 4Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 1TB (8X128GB) DDR5 4800MHZ PC5-38400 4Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT |
This memory kit is validated for the ASUS RS720Q-E11-IMM 2U4N high-density immersion-cooling server and will only work in systems that support DDR5 RDIMM modules.
Mixing ranks or speeds is not recommended; the server will typically default to the lowest common speed and may require specific population rules for 4Rx4 modules.
Enter the system BIOS or UEFI and verify the total memory shows 1TB at 4800 MT/s with ECC status reported as enabled.
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