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Four green DDR5 RDIMM modules with black chips and gold contacts, no heat spreaders

NEMIX RAM

NEMIX RAM 64GB (4x16GB) DDR5 4800 CL40 1.1V ECC RDIMM memory upgrade for GIGABYTE MZ23-SU0

SKU CH-VM4K-393TS

64 GB kit of four 16 GB DDR5 4800 CL40 1.1 V ECC registered RDIMMs built for the GIGABYTE MZ23-SU0 motherboard

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 64GB 4X16GB

Show 18 more
  • 64 GB total capacity from four 16 GB modules enables large memory configurations
  • DDR5 4800 speed with CL40 latency delivers rated performance on the GIGABYTE MZ23-SU0
  • Registered ECC design corrects single-bit errors and offloads the memory controller for stable operation
  • 1 V operating voltage reduces power draw while maintaining enterprise reliability
  • 288-pin RDIMM form factor matches the motherboard's required slot type exactly

Exact-fit DDR5 RDIMM kit

This NEMIX RAM kit delivers 64 GB across four 16 GB DDR5 modules built for the GIGABYTE MZ23-SU0 motherboard. Each stick is a 288-pin registered ECC RDIMM rated at DDR5 4800 with CL40 latency and 1.10 V operation. The 1Rx8 organisation matches the board's memory-controller requirements so the full capacity is recognised at rated speed.

Registered ECC with 1Rx8 layout

The modules use registered (buffered) architecture to offload the memory controller, allowing all four slots to run fully populated at DDR5 4800. On-die ECC detects and corrects single-bit errors on the fly, preventing silent data corruption and unplanned reboots in production workloads. Samsung, Micron or Hynix DRAM chips supply the underlying memory.

Suits GIGABYTE MZ23-SU0 servers only

This kit is validated for the GIGABYTE MZ23-SU0 motherboard and its specific DIMM population rules. It will not fit systems that require unbuffered UDIMMs, SODIMMs or a different DDR generation. Buyers needing other capacities, speeds or form factors should consult their system manual before purchasing.

How it compares

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

Price $1,757.99
Pricier than about 66% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $27.47 per GB
Pricier than about 77% 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 numberMR38400-618K4
Total capacity64 GB (4 × 16 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 rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsGIGABYTE
In the box
Included items64 GB 4 × 16 GB DDR5 4800 MHz PC5-38400 1Rx8 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

What does the 4800 speed rating mean once the modules are installed in the GIGABYTE MZ23-SU0?

The kit runs at DDR5 4800 with CL40 timing at 1.10 V, so the memory controller recognises the full 64 GB and operates each of the four 16 GB modules at its rated data rate.

How does the PC5-38400 designation translate to real-world bandwidth limits?

PC5-38400 is the JEDEC standard name for DDR5 4800; the modules deliver that peak transfer rate when the board populates all four slots with this registered ECC kit.

What physical slot and clearance does the 288-pin RDIMM need on the MZ23-SU0?

Each module uses the standard 288-pin DDR5 RDIMM form factor with no heat spreader, so it fits the board's registered DIMM slots and follows the motherboard's population order.

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