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NEMIX RAM
NEMIX RAM 256GB 2x128GB DDR5 6400MHz CL52 1.1V 2Rx4 ECC Registered RDIMM Supermicro H14SSF memory upgrade
A 256 GB DDR5 registered ECC memory kit built for the Supermicro H14SSF motherboard, running at 6400 MHz with CL52 latency and 1.1 V operation
- Capacity256GB (2 x 128GB)
- Type288-Pin DDR5 RDIMM
- SpeedDDR5 6400 (PC5 51200)
- CAS LatencyCL52
- Voltage1.10V
- ECCYes
- 256 GB total capacity for memory-intensive workloads using two 128 GB modules
- DDR5 6400 speed with CL52 latency matches the board's rated timing
- 1 V registered ECC RDIMM design reduces controller load and corrects single-bit errors
- 2Rx4 288-pin form factor fits the Supermicro H14SSF memory slots exactly
- Built with Samsung Micron or Hynix DRAM chips for enterprise-grade reliability
Compatible Supermicro H14SSF Upgrade
This 256GB kit provides two 128GB DDR5 RDIMM modules built for the Supermicro H14SSF motherboard. The registered ECC design matches the board's memory-controller requirements so the full capacity is recognised at rated speed.
DDR5 6400 Registered ECC Limits
DDR5 6400 RDIMM registered memory tops out at the JEDEC-standard 1.1V operating voltage and CL52 latency for this density. Population rules on the H14SSF restrict how many ranks can run at the maximum data rate, so full-slot configurations may drop to a lower supported speed.
Replacing Lower-Capacity RDIMMs
The kit replaces smaller registered ECC modules when workloads need more addressable memory per channel. The jump is worthwhile when the application can use the extra capacity and the motherboard firmware supports the 2Rx4 rank structure at the rated frequency.
Highlights
- 256 GB total capacity for memory-intensive workloads using two 128 GB modules
- DDR5 6400 speed with CL52 latency matches the board's rated timing
- 1 V registered ECC RDIMM design reduces controller load and corrects single-bit errors
- 2Rx4 288-pin form factor fits the Supermicro H14SSF memory slots exactly
- Built with Samsung Micron or Hynix DRAM chips for enterprise-grade reliability
Specifications
| Brand | NEMIX RAM |
|---|---|
| Series | NEMIX RAM Original Series Server Memory |
| Model | DDR5 ECC RDIMM Registered Server Memory |
| Part Number | MR51200-724K2 |
| Capacity | 256GB (2 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 | 256GB 2X128GB DDR5 6400MHz PC5-51200 2Rx4 1.1V 288-PIN ECC RDIMM KIT |
Questions about this item
Should I pick the 256 GB 2x128 GB kit or a smaller capacity for my Supermicro H14SSF?
The 256 GB kit provides two 128 GB RDIMMs that match the board's memory-population rules for full-capacity operation. Smaller kits leave slots empty and reduce total memory available to your workloads.
What does the 6400 MHz rating deliver once installed in the server?
The modules run at DDR5-6400 (PC5-51200) with CL52 latency at 1.10 V, giving the memory controller the exact speed and timing it expects for full-rated throughput.
How does the 288-pin RDIMM interface affect real-world capacity limits?
The registered 288-pin RDIMM form factor offloads the memory controller, allowing every slot to run fully populated at the rated 6400 MHz without signal degradation.
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