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 kit with sixteen 32 GB modules at CL40 and 1.1 V for THINKMATE SuperServer 521C-NR
This 512GB kit contains sixteen 32GB DDR5 4800 registered DIMMs built for the Thinkmate Supermicro SuperServer 521C-NR. Each module runs at 1.1V with CL40 latency and 1Rx4 organisation. ECC and register buffering protect data integrity in continuous server workloads.
The PC5-38400 standard sets a 4800MT/s ceiling and requires a motherboard that supports registered ECC DDR5 at 1.1V. Bandwidth and latency are fixed by the JEDEC profile; no higher speed or lower latency is available without platform support for faster DDR5 grades. Mixed populations may force the system to run at a lower common speed.
Upgrading from a partial fill or lower-capacity DDR5 4800 kit adds 512GB in a single matched set, eliminating mixed-rank timing penalties. The jump is worth it when workloads exceed current memory capacity or when replacing mixed-vendor modules that cause instability. It does not help systems limited to fewer than sixteen slots or platforms that only accept unbuffered memory.
| Brand | NEMIX RAM |
|---|---|
| Series | THINKMATE Server/Workstation Compatible Series Memory |
| Model | THINKMATE DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-314K16 |
| Capacity | 512GB (16 x 32GB) |
| 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 | 1Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 512GB (16X32GB) DDR5 4800MHZ PC5-38400 1Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory |
The 512 GB kit fills sixteen slots with 32 GB modules, giving the maximum supported density per DIMM for this platform.
The memory runs at 4800 MT/s with CL40 latency at 1.10 V, providing the standard JEDEC data rate for DDR5 registered DIMMs in this system.
The registered 288-pin DDR5 interface caps the kit at the native 4800 MT/s JEDEC speed and requires ECC registered memory support from the motherboard.
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