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Four green 288-pin DDR5 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM DDR5 ECC RDIMM 256GB (4 x 64GB) 4800MHz CL40 1.1V 2Rx4 Registered Server Memory Upgrade

SKU CH-EZSK-JZ70H

Registered ECC DDR5 kit delivers 256 GB across four 64 GB modules at 4800 MHz CL40 for the GIGABYTE MZ23-SU0 motherboard

  • Total capacity256 GB (4 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 256GB 4X64GB

Show 18 more
  • 256 GB total capacity in a matched 4 x 64 GB kit for full server population
  • DDR5 4800 MT/s (PC5-38400) speed with CL40 latency runs at rated throughput
  • Registered ECC RDIMM design offloads the controller and corrects single-bit errors on the fly
  • 1 V operation keeps power draw low while maintaining enterprise stability
  • Verified fitment for GIGABYTE MZ23-SU0 motherboard with 288-pin DDR5 RDIMM slots

Exact DDR5-4800 Registered ECC Kit

This 256 GB kit (4 x 64 GB) delivers DDR5-4800 PC5-38400 CL40 at 1.10 V in a 288-pin RDIMM form factor with 2Rx4 registered ECC. It is an exact-match upgrade for the GIGABYTE MZ23-SU0 motherboard and is built with major OEM Samsung, Micron, or Hynix chips for server stability.

Verify Motherboard Population Rules

Confirm that your system manual lists DDR5-4800 RDIMM support, the approved slot population order for four 64 GB modules, and any BIOS version requirements before ordering. Registered ECC memory must match the controller's expected rank, voltage, and timing to be recognised at full capacity.

Suited for Fully Populated Server Builds

Ideal for administrators expanding a compatible GIGABYTE platform to its maximum registered ECC capacity with a matched four-module kit. Builders needing UDIMM, SODIMM, non-ECC, or a different speed grade should look at other memory types.

How it compares

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

Price $6,949.99
Pricier than about 83% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (4 × 64 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $27.15 per GB
Pricier than about 75% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR38400-924K4
Total capacity256 GB (4 × 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
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsGIGABYTE
In the box
Included items256 GB 4 × 64 GB DDR5 4800 MHz PC5-38400 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Does the 256GB kit ship as four 64GB modules or do I need to buy additional sticks?

The kit includes four 64GB DDR5 RDIMMs for a total of 256GB; no extra modules are required.

Why choose the 2Rx4 CL40 version over other DDR5 4800MHz options?

2Rx4 rank structure and CL40 latency match the GIGABYTE MZ23-SU0 memory controller requirements for full-capacity recognition at rated speed.

What does the 4800MHz PC5-38400 rating mean once the modules are installed in the server?

The modules run at DDR5-4800 with 38400 MB/s peak bandwidth per channel when the motherboard populates all slots according to its population rules.

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