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Two green DDR4 RDIMM modules in a clear tray

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR4 2933 CL21 ECC RDIMM ASUS Pro WS C422-ACE

SKU CH-QB52-Z9D87

64 GB DDR4-2933 ECC registered DIMM kit (2 × 32 GB, CL21, 1.2 V) validated for the ASUS Pro WS C422-ACE workstation motherboard

  • Capacity64GB (2 x 32GB)
  • Type288-Pin DDR4 RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.20V
  • ECCYes

Size 64GB 2X32GB

  • 64 GB total capacity for memory-intensive server workloads using two 32 GB modules
  • DDR4 2933 speed with CL21 latency delivers rated bandwidth for the ASUS Pro WS C422-ACE
  • ECC and registered design corrects single-bit errors and stabilises fully populated slots
  • 20 V operation matches the motherboard's voltage requirement for reliable operation
  • 288-pin RDIMM form factor fits the workstation board's DIMM slots exactly

Exact-match server upgrade

This 64GB kit delivers two 32GB DDR4 2933 RDIMMs built to the precise rank, voltage and timing the ASUS Pro WS C422-ACE expects. Registered ECC architecture lets every slot run fully populated while correcting single-bit errors on the fly. It is not for systems that need unbuffered UDIMMs or notebook SODIMMs.

Thermals and power

Modules operate at 1.2V with no heat spreader, relying on the chassis airflow typical of workstation enclosures. Registered buffering reduces electrical load on the memory controller during full-population workloads. Power draw and acoustic profile follow the platform's standard DDR4 RDIMM envelope.

Deciding specification

The 2Rx8 Registered ECC layout at CL21 2933MHz is the single figure that determines whether this kit will be recognised at full capacity and rated speed. Verify your motherboard manual for approved population order before purchase.

Highlights

  • 64 GB total capacity for memory-intensive server workloads using two 32 GB modules
  • DDR4 2933 speed with CL21 latency delivers rated bandwidth for the ASUS Pro WS C422-ACE
  • ECC and registered design corrects single-bit errors and stabilises fully populated slots
  • 20 V operation matches the motherboard's voltage requirement for reliable operation
  • 288-pin RDIMM form factor fits the workstation board's DIMM slots exactly

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR4 ECC RDIMM Registered Server Memory
Part NumberMR23400-328K2
Capacity64GB (2 x 32GB)
Type288-Pin DDR4 RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemASUS
FeaturesDDR4 ECC RDIMM Motherboard Compatible
Package Content64GB 2X32GB DDR4 2933MHz PC4-23400 2Rx8 1.2V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install the 288-pin DDR4 RDIMM modules on the ASUS Pro WS C422-ACE and which slot order is the step people get wrong?

Power off the workstation, open the chassis, and insert each 32GB RDIMM into the slots specified by the ASUS Pro WS C422-ACE manual for a 2-DIMM population; the common mistake is using the wrong channel order instead of the board's prescribed sequence.

What maintenance or replacement will the 2Rx8 ECC Registered DDR4 kit need later?

The modules have no heat spreaders and no moving parts, so no routine maintenance is required; replacement is only necessary if a DIMM fails, at which point the lifetime replacement warranty covers a new 32GB module.

What limit appears first under sustained load with the CL21 1.20V Registered ECC memory?

The memory controller on the ASUS Pro WS C422-ACE sets the maximum stable speed at DDR4 2933 (PC4-23400); sustained workloads will hit that frequency ceiling before voltage or thermal limits become a factor.

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