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 modules provide 64 GB of ECC registered server memory at 4800 MT/s with CL40 latency
This 64 GB kit contains four 16 GB DDR5 4800 registered DIMMs built for ThinkMate Supermicro SuperServer 111E-WR systems. Each module runs at 1.1 V with CL40 latency and provides error-correcting code protection for mission-critical workloads. The 288-pin RDIMM form factor fits server motherboards that require registered memory.
Modules use a single-rank 1Rx8 layout sourced from Samsung, Micron or Hynix dies to deliver consistent signal integrity under heavy load. Registered buffering reduces electrical load on the memory controller, allowing the four-module population without timing penalties. No heat spreaders are fitted, so airflow in dense chassis remains unobstructed.
The CAS latency of 40 cycles at the rated 4800 MT/s data rate determines whether the memory meets your platform's qualified-vendor-list requirements. Systems that demand lower latency or higher frequency will not validate this kit. Buyers who need faster timings or greater capacity per module must select a different part.
| Brand | NEMIX RAM |
|---|---|
| Series | THINKMATE Server/Workstation Compatible Series Memory |
| Model | THINKMATE 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 | THINKMATE |
| 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 |
The kit provides 64 GB total across four 1Rx8 modules. Capacity is fixed; expanding later requires free DIMM slots and matching registered DDR5 parts.
The modules run at 4800 MT/s with CL40 latency. Maximum bandwidth is set by that speed and the memory controller in the THINKMATE platform.
Each module operates at 1.10 V without a heat spreader. Total power draw depends on the number of populated slots and the server’s airflow design.
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