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NEMIX RAM
NEMIX RAM DDR5 256GB (2x128GB) 6400MHz CL52 2Rx4 ECC RDIMM Supermicro H14DSG-O-CPU
256 GB dual-rank DDR5 server kit with ECC and registered buffering for the Supermicro H14DSG-O-CPU motherboard
- Capacity256GB (2 x 128GB)
- Type288-Pin DDR5 RDIMM
- SpeedDDR5 6400 (PC5 51200)
- CAS LatencyCL52
- Voltage1.10V
- ECCYes
- Exact DDR5-6400 CL52 1.1V spec matches the server memory controller
- 256GB kit (2×128GB 2Rx4) fills both channels at full rated speed
- Registered ECC RDIMM architecture offloads the controller and corrects single-bit errors
- 288-pin RDIMM form factor verified for the Supermicro H14DSG-O-CPU motherboard
- Major OEM Samsung Micron Hynix chips ensure enterprise-grade reliability
System-Specific DDR5 ECC RDIMM Kit
This 256GB kit contains two 128GB DDR5-6400 registered ECC RDIMMs built to the exact rank, voltage and timing the Supermicro H14DSG-O-CPU motherboard expects. The modules are CL52 at 1.1V and use the 288-pin RDIMM form factor required by the board. Major OEM DRAM from Samsung, Micron or Hynix provides enterprise-grade stability for fully populated slots.
Suited For Verified Supermicro Upgrades
This kit suits administrators upgrading a Supermicro H14DSG-O-CPU system that requires 2Rx4 registered ECC memory at DDR5-6400. It is not for builds that need unbuffered UDIMMs, SODIMM form factors, non-ECC modules or a different speed, voltage or rank configuration than the board specifies.
Deciding Spec DDR5-6400 CL52 1.1V 2Rx4 RDIMM
The single specification that decides fitment is the DDR5-6400 CL52 1.1V 2Rx4 registered ECC RDIMM profile. Only modules matching this exact combination of speed, latency, voltage, rank and registered architecture will be recognised at full capacity and run at rated speed on the target motherboard.
Highlights
- Exact DDR5-6400 CL52 1.1V spec matches the server memory controller
- 256GB kit (2×128GB 2Rx4) fills both channels at full rated speed
- Registered ECC RDIMM architecture offloads the controller and corrects single-bit errors
- 288-pin RDIMM form factor verified for the Supermicro H14DSG-O-CPU motherboard
- Major OEM Samsung Micron Hynix chips ensure 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
What motherboard must I already have for this 256GB DDR5 6400MHz RDIMM kit to work?
This kit is verified for the Supermicro H14DSG-O-CPU motherboard, which requires 288-pin Registered DDR5 DIMMs and follows specific population rules for full-capacity operation.
How will these 2Rx4 Registered ECC modules behave if I keep older DDR5 RDIMMs in the remaining slots?
Mixing different ranks, speeds, or latencies can force the memory controller to downclock all channels; the board manual should be consulted for approved population orders before adding this kit.
How can I confirm the kit is running at its rated 6400MHz CL52 after installation?
Enter the BIOS or use a hardware-information utility to verify the memory frequency reads 6400 MT/s and the CAS latency shows CL52 at 1.10 V.
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