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
DDR5 4800 ECC registered server memory kit, 64 GB in two 32 GB modules, CL40 at 1.1 V, validated for ASUS RS700A-E12-RS4U
This kit provides 64 GB of DDR5 memory in two 32 GB registered DIMMs. It is built for the ASUS RS700A-E12-RS4U dual-processor server and runs at 4800 MT/s with ECC protection. The modules operate at 1.1 V and use a 1Rx4 organisation. They are intended for administrators expanding memory capacity in that specific 1U platform.
This memory fits IT teams upgrading the named ASUS server where registered ECC DDR5 is required. It will not work in systems that accept only unbuffered UDIMMs, desktop platforms, or laptops. Buyers needing lower-voltage 1.1 V modules for other OEM servers should verify their own qualified-vendor lists before purchasing.
The registered ECC RDIMM form factor with 1Rx4 rank and DDR5 4800 speed is the single attribute that determines compatibility with the ASUS RS700A-E12-RS4U. Only modules matching this exact registration, error-correction and data-rate combination will be accepted by the server memory controller.
| 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 |
Each module operates at 1.10 V, the standard DDR5 voltage, so total power scales with the 64 GB capacity and the 4800 MT/s data rate under sustained load.
The board needs DDR5 RDIMM slots with a registered-memory-capable chipset; the 288-pin form factor and ECC registration match the server's native memory architecture.
Yes, identical speed (4800 MT/s), voltage (1.10 V), rank (1Rx4) and registered ECC design allow mixed-channel operation without timing conflicts.
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