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Four green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 256GB 4x64GB DDR5 4800 ECC RDIMM GIGABYTE MZ33-AR1 memory upgrade

SKU CH-JETZ-WMXQT

256 GB DDR5 ECC registered kit (4 × 64 GB) running at 4800 MT/s CL40 1.1 V, validated for the Gigabyte MZ33-AR1 server board

  • Capacity256GB (4 x 64GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 256GB 4X64GB

Show 18 more configurations
  • 256 GB total capacity from four 64 GB modules for high-density server workloads
  • DDR5-4800 speed with CL40 latency delivers rated bandwidth for the MZ33-AR1
  • Registered ECC architecture corrects single-bit errors and supports full-slot population
  • 1 V operation matches the motherboard's memory controller specification exactly
  • 288-pin RDIMM form factor ensures mechanical and electrical fit in every approved slot

Server-grade DDR5 memory kit

This NEMIX RAM kit delivers 256 GB of DDR5 4800 memory in a matched set of four 64 GB modules. It is built for the GIGABYTE MZ33-AR1 motherboard where registered ECC RDIMMs are required for full-capacity operation.

Registered ECC RDIMM form factor

Each module uses the 288-pin RDIMM interface with a 2Rx4 organisation and 1.10 V operating voltage. The registered architecture buffers address and command signals so the memory controller remains stable when all slots are populated, while on-die ECC corrects single-bit errors before they affect data integrity.

Four-module matched kit

The package contains four identical 64 GB RDIMMs tested together at CL40 latency. Installing the matched set avoids mixed-rank timing conflicts and ensures the platform recognises the full 256 GB at its rated DDR5 4800 speed without manual configuration.

Highlights

  • 256 GB total capacity from four 64 GB modules for high-density server workloads
  • DDR5-4800 speed with CL40 latency delivers rated bandwidth for the MZ33-AR1
  • Registered ECC architecture corrects single-bit errors and supports full-slot population
  • 1 V operation matches the motherboard's memory controller specification exactly
  • 288-pin RDIMM form factor ensures mechanical and electrical fit in every approved slot

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-924K4
Capacity256GB (4 x 64GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemGIGABYTE
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content256GB 4X64GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

What DDR5 speed and bandwidth does this 256GB kit deliver on the GIGABYTE MZ33-AR1?

The kit runs at DDR5 4800 (PC5-38400) with CL40 latency at 1.1V, matching the motherboard's rated memory controller specification for full-capacity operation.

Which physical slot and form factor must the MZ33-AR1 provide for these modules?

The board needs four 288-pin DDR5 RDIMM slots; each module is a 64GB 2Rx4 registered DIMM without a heat spreader, so standard server DIMM clearance applies.

In what order should the four RDIMMs be seated to avoid a no-post condition?

Follow the MZ33-AR1 manual's exact population sequence — typically filling the primary channel slots first — because registered ECC DIMMs require the correct slot order for the memory controller to initialise all 256GB.

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