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
Four 16 GB DDR5 registered ECC modules at 4800 MT/s with CL40 timing for SuperMicro X13SEW motherboards
This 64 GB kit contains four 16 GB DDR5 4800 registered DIMMs built for SuperMicro X13SEW-TF and X13SEW-F motherboards. ECC and registered operation protect data integrity in server and workstation workloads. The modules run at 1.1 V with CL40 timing. System builders expanding memory on these platforms can install the kit without additional configuration.
Operating at 1.1 V keeps power draw low for high-density memory populations. The modules ship without heat spreaders, relying on chassis airflow for cooling in standard 1U or 2U enclosures. Registered buffering reduces electrical load on the memory controller during sustained workloads. No active cooling or special ventilation is required beyond normal server airflow.
Four matched 16 GB modules fill four slots in a single package, simplifying inventory and ensuring identical rank and timing across channels. The 1Rx8 organisation supports maximum capacity per channel on compatible SuperMicro boards. ECC registered design enables error correction for mission-critical applications. No additional software, cables or brackets are included or required for installation.
| Brand | NEMIX RAM |
|---|---|
| Series | SuperMicro Server/Workstation Compatible Series Memory |
| Model | SuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-618K4 |
| Capacity | 64GB (4 x 16GB) |
| 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 | 1Rx8 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 64GB (4X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT |
Power down, open the chassis, align each module's key notch with the slot, press firmly until both latches click, then verify in BIOS that all 64 GB are detected at 4800 MT/s.
No scheduled maintenance is required; if a module fails the lifetime replacement warranty covers it, otherwise the kit runs until a platform upgrade demands faster memory.
The CL40 latency at 4800 MT/s sets the throughput ceiling long before the 1.1 V registered modules hit thermal or power limits.
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