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NEMIX RAM
NEMIX RAM 512GB 4x128GB DDR5 6400 CL52 1.1V ECC RDIMM Supermicro H14SSL-NT
Four 128GB DDR5 RDIMMs deliver 512GB of registered ECC memory at 6400MHz CL52 for the Supermicro H14SSL-NT
- Capacity512GB (4 x 128GB)
- Type288-Pin DDR5 RDIMM
- SpeedDDR5 6400 (PC5 51200)
- CAS LatencyCL52
- Voltage1.10V
- ECCYes
- 512 GB total capacity from four 128 GB modules for maximum server density
- DDR5 6400 speed with CL52 latency delivers rated throughput on supported platforms
- 1 V registered ECC RDIMM architecture reduces controller load and corrects single-bit errors
- 288-pin 2Rx4 form factor matches Supermicro H14SSL-NT memory population rules exactly
- Lifetime replacement warranty with US-based technical support included
Capacity and compatibility
This kit provides 512GB of DDR5 memory in four 128GB registered ECC RDIMMs. It is built to match the Supermicro H14SSL-NT motherboard's 288-pin RDIMM slots, 2Rx4 rank structure and 1.10V operating voltage for full-capacity recognition at rated speed.
Thermals and power
Modules run at 1.10V without heat spreaders, relying on server chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller, helping the fully populated configuration stay within standard DDR5 power limits during sustained workloads.
Build integration
The 288-pin RDIMM form factor fits only boards that require registered ECC memory; it will not work in UDIMM or SODIMM slots. Populating all four slots delivers the rated 512GB capacity while ECC corrects single-bit errors to protect data integrity in production environments.
Highlights
- 512 GB total capacity from four 128 GB modules for maximum server density
- DDR5 6400 speed with CL52 latency delivers rated throughput on supported platforms
- 1 V registered ECC RDIMM architecture reduces controller load and corrects single-bit errors
- 288-pin 2Rx4 form factor matches Supermicro H14SSL-NT memory population rules exactly
- Lifetime replacement warranty with US-based technical support included
Specifications
| Brand | NEMIX RAM |
|---|---|
| Series | NEMIX RAM Original Series Server Memory |
| Model | DDR5 ECC RDIMM Registered Server Memory |
| Part Number | MR51200-724K4 |
| Capacity | 512GB (4 x 128GB) |
| Type | 288-Pin DDR5 RDIMM |
| Speed | DDR5 6400 (PC5 51200) |
| CAS Latency | CL52 |
| Voltage | 1.10V |
| ECC | Yes |
| Buffered/Registered | Registered |
| Rank | 2Rx4 |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Heat Spreader | No |
| Compatible System | Supermicro |
| Features | DDR5 ECC RDIMM Motherboard Compatible |
| Package Content | 512GB 4X128GB DDR5 6400MHz PC5-51200 2Rx4 1.1V 288-PIN ECC RDIMM KIT |
Questions about this item
How do I install the 4x128GB DDR5 6400 RDIMM kit in the Supermicro H14SSL-NT and what slot order mistake do builders make?
Follow the motherboard manual's DIMM population chart for the 288-pin RDIMM slots; the common error is filling slots sequentially instead of the prescribed per-channel order, which prevents the 512GB kit from training at 6400 MT/s.
What maintenance or replacement will the 2Rx4 registered ECC modules need over their service life?
The modules have no heat spreader and no moving parts, so no scheduled maintenance is required; replacement only occurs if a DIMM fails, which is covered by the lifetime replacement warranty.
What limit appears first when the 1.1V CL52 kit runs sustained workloads on the H14SSL-NT?
The memory controller's maximum supported speed and total capacity ceiling are reached before thermal throttling, because the registered 2Rx4 architecture runs at the rated 6400 MT/s without a heat spreader.
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