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Four green DDR5 RDIMM modules without heat spreaders in a 256GB kit

NEMIX RAM

NEMIX RAM 256GB 4x64GB DDR5 6400 PC5-51200 CL52 4Rx4 1.1V ECC RDIMM Supermicro X14DBG-LC+ memory upgrade

SKU CH-8QD5-DRXHE

256 GB DDR5 6400 registered ECC RDIMM kit, four 64 GB modules at CL52 1.1 V, validated for Supermicro X14DBG-LC+ servers

  • Capacity256GB (4 x 64GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Voltage1.10V
  • ECCYes

Size 256GB 4X64GB

Show 3 more configurations
  • 256 GB total capacity from four 64 GB modules
  • DDR5 6400 speed with CL52 latency at 1.1 V
  • Registered ECC RDIMM architecture for full-slot stability
  • 4Rx4 rank organisation matches controller expectations
  • 288-pin form factor built for Supermicro X14DBG-LC+

Exact-match DDR5 upgrade

This 256GB kit (four 64GB modules) is built for the Supermicro X14DBG-LC+ motherboard. DDR5-6400 (PC5-51200) Registered ECC RDIMMs with 4Rx4 organisation and CL52 timing match the board's memory controller expectations precisely. The modules operate at 1.1V and use the 288-pin RDIMM form factor required by this platform.

Thermals noise power

Registered architecture buffers address and command signals, reducing electrical load on the memory controller when all slots are populated. ECC corrects single-bit errors on the fly, preventing silent data corruption and unplanned reboots. The 1.1V operating voltage aligns with the DDR5 standard for server memory. No heat spreaders are fitted on these modules.

Build integration

The kit provides four RDIMMs that must be installed following the motherboard's population rules for full-capacity operation. Consult the system manual for supported capacities and approved DIMM order before installation. This memory is not compatible with boards requiring UDIMM or SODIMM form factors, nor with platforms that do not support Registered ECC DDR5.

Highlights

  • 256 GB total capacity from four 64 GB modules
  • DDR5 6400 speed with CL52 latency at 1.1 V
  • Registered ECC RDIMM architecture for full-slot stability
  • 4Rx4 rank organisation matches controller expectations
  • 288-pin form factor built for Supermicro X14DBG-LC+

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-944K4
Capacity256GB (4 x 64GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL52
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content256GB 4X64GB DDR5 6400MHz PC5-51200 4Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install the 4Rx4 DDR5 6400 RDIMMs in my Supermicro X14DBG-LC+ and which step is often missed?

Power down, open the chassis, and insert each 288-pin module into the slots specified by the board manual; the step most people skip is verifying the exact population order for 4Rx4 DIMMs so the memory controller recognises the full 256 GB at 6400 MT/s.

What maintenance or replacement will this 256 GB DDR5 ECC RDIMM kit need later?

No routine maintenance is required; the modules run at 1.1 V without heat spreaders, so keep airflow clean, and replace a stick only if ECC logs report uncorrectable errors or the system fails to post.

What limit appears first when the 4Rx4 DDR5 6400 kit runs sustained workloads on the X14DBG-LC+?

The memory controller's maximum supported rank-per-channel limit is reached before thermal throttling, so fully populating all slots with 4Rx4 modules caps total capacity at 256 GB and prevents adding more DIMMs.

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