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Two green DDR5 RDIMM modules without heat spreaders, 288-pin, 128GB kit

NEMIX RAM

NEMIX RAM DDR5 6400 128GB 2x64GB 4Rx4 CL52 1.1V RDIMM Supermicro X14SDI-36C-SP3F

SKU CH-W5JG-78NH2

A 128 GB DDR5-6400 registered ECC kit with two 64 GB modules, CL52 at 1.1 V, built for the Supermicro X14SDI-36C-SP3F motherboard

  • Capacity128GB (2 x 64GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Voltage1.10V
  • ECCYes

Size 128GB 2X64GB

  • 128 GB total capacity from two 64 GB modules for dense server workloads
  • DDR5 6400 speed with CL52 latency delivers rated throughput for the platform
  • 4Rx4 Registered ECC architecture offloads the memory controller and corrects single-bit errors
  • 1 V operation matches the motherboard's voltage requirement for stable full-population operation
  • 288-pin RDIMM form factor fits the Supermicro X14SDI-36C-SP3F motherboard's DIMM slots

128 GB DDR5 RDIMM kit for Supermicro X14SDI-36C-SP3F

This 128 GB kit contains two 64 GB DDR5 6400 registered ECC RDIMMs built to the exact rank, voltage and timing the Supermicro X14SDI-36C-SP3F memory controller expects. The 4Rx4 organisation and 1.10 V operation match the board's population rules so the full capacity is recognised at rated speed. It is not for systems that require unbuffered UDIMMs or a different DDR generation.

Thermals noise and power at 1.10 V

Operating at 1.10 V the modules draw minimal power and run without a heat spreader, relying on the server's forced-air chassis cooling. Registered buffering reduces electrical load on the memory controller, helping keep the memory subsystem stable when every slot is populated. No active cooling or acoustic profile is specified for the DIMMs themselves.

What the kit changes for your server

The two-module kit populates a matched pair of slots, enabling the board's registered ECC architecture to correct single-bit errors on the fly and prevent silent data corruption. Exact-match specifications mean the firmware initialises the memory at DDR5 6400 without manual tuning. Buyers who need a different capacity or unbuffered memory must select another part.

Highlights

  • 128 GB total capacity from two 64 GB modules for dense server workloads
  • DDR5 6400 speed with CL52 latency delivers rated throughput for the platform
  • 4Rx4 Registered ECC architecture offloads the memory controller and corrects single-bit errors
  • 1 V operation matches the motherboard's voltage requirement for stable full-population operation
  • 288-pin RDIMM form factor fits the Supermicro X14SDI-36C-SP3F motherboard's DIMM slots

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-944K2
Capacity128GB (2 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 Content128GB 2X64GB 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 288-pin RDIMM modules on the Supermicro X14SDI-36C-SP3F, and what step is often missed?

Power off the server, open the chassis, and seat each 64 GB module firmly until the ejector clips click. The step often missed is following the motherboard's exact DIMM population order so the 4Rx4 registered DIMMs initialise at DDR5-6400 with CL52 timing.

What maintenance or replacement will the 128 GB DDR5 ECC RDIMM kit need over its service life?

The modules have no heat spreaders and no moving parts, so no routine maintenance is required. ECC corrects single-bit errors automatically; only a persistent multi-bit fault would warrant replacing the affected 64 GB RDIMM under the lifetime replacement coverage.

What is the first limit that appears when the 4Rx4 registered DIMMs run sustained workloads at 6400 MT/s?

The registered buffer and on-die ECC keep signal integrity stable, so the first practical limit is the motherboard's maximum supported capacity per channel rather than thermal throttling or voltage drift at the specified 1.1 V.

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