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 DIMM adds 16 GB at CL40 and 1.1 V for ThinkMate Supermicro 521C-NR servers
This 16 GB registered DDR5 module runs at 4800 MT/s with CL40 latency and 1.1 V operation. It targets ThinkMate Supermicro SuperServer 521C-NR platforms that require ECC RDIMM memory for data-integrity workloads.
The 288-pin form factor seats in standard DDR5 RDIMM slots; the module is unbuffered for heat spreader clearance. Registered buffering adds one cycle of command delay, so the system BIOS must support registered DIMMs or the server will not post.
Ideal for administrators expanding capacity in validated ThinkMate SuperServer 521C-NR configurations. Not suitable for desktop boards that accept only unbuffered non-ECC DDR5, nor for systems limited to lower densities or different pin counts.
| Brand | NEMIX RAM |
|---|---|
| Series | THINKMATE Server/Workstation Compatible Series Memory |
| Model | THINKMATE DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-618K1 |
| Capacity | 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 | 16GB (1X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory |
Check the BIOS or a tool such as CPU-Z; the SPD will show DDR5 4800 (PC5-38400) with CAS latency 40 and voltage 1.10 V.
The box includes one 16 GB DDR5 4800 ECC RDIMM (part MR38400-618K1); no extra parts are needed for a compatible THINKMATE Supermicro SuperServer 521C-NR.
This listing is a single 16 GB 1Rx8 registered DIMM; select it when you need one 16 GB module for the 521C-NR.
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