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Two green DDR5 RDIMM modules with black chips and gold contacts, no heat spreader

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR5 4800 CL40 ECC RDIMM SuperMicro Compatible memory upgrade

SKU CH-7SZ6-QAKMD

128 GB DDR5 4800 ECC registered server kit in two 64 GB modules at CL40 and 1.1 V for SuperMicro X13SEW boards

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 128 GB capacity across two 64 GB modules for high-density server workloads
  • DDR5 4800 speed with PC5-38400 bandwidth handles intensive data throughput
  • ECC registered design detects and corrects errors to protect critical data integrity
  • 1 V operation reduces power draw in dense memory configurations
  • Validated for SuperMicro X13SEW-TF and X13SEW-F motherboards ensuring drop-in compatibility

System-specific DDR5 ECC RDIMM kit

This 128GB kit contains two 64GB registered DIMMs built for SuperMicro server and workstation platforms. It targets administrators who need validated ECC memory for mission-critical workloads on compatible X13SEW motherboards.

DDR5 4800 CL40 registered specification

The modules run at 4800 MT/s with CAS latency 40 at 1.1V using a 2Rx4 organisation. ECC and registered buffering are mandatory for the supported platforms, so this exact combination decides whether the kit will post and operate without errors.

Straightforward DIMM installation

Installation follows the standard 288-pin DDR5 keyed slot procedure and usually takes minutes. The most common issue is mixing registered ECC RDIMMs with unbuffered or non-ECC modules, which prevents the system from booting.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $3,199.99
Pricier than about 74% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $25.00 per GB
Pricier than about 69% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineSuperMicro Server/Workstation Compatible Series Memory
Model nameSuperMicro DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-924K2
Total capacity128 GB (2 × 64 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB (2 × 64 GB) DDR5 4800 MHz PC5-38400 2Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

What does the 4800 MT/s rating deliver once the kit is installed in a SuperMicro X13SEW board?

The modules run at DDR5 4800 (PC5-38400) with CL40 latency, providing 128 GB of registered ECC capacity across two 64 GB DIMMs at the standard 1.1 V.

How does the registered DDR5 interface affect usable bandwidth on this platform?

As registered DDR5 RDIMMs the kit presents a 2Rx4 organisation that the memory controller addresses directly; the DDR5 4800 interface caps theoretical throughput at the PC5-38400 data rate.

What physical clearance does the 288-pin RDIMM need inside a 1U or 2U server chassis?

Each stick is a standard 288-pin DDR5 RDIMM without a heat spreader, so it fits the regular DIMM slot height and keying defined for the X13SEW-TF and X13SEW-F motherboards.

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