We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Four green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM DDR5 4800 ECC RDIMM 64GB 4x16GB CL40 1Rx8 1.1V GIGABYTE MZ73-LM0 memory upgrade

SKU CH-XNP2-XR630

64 GB DDR5-4800 ECC registered RDIMM kit (4×16 GB, CL40, 1.1 V) validated for GIGABYTE MZ73-LM0 servers

  • 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 kit fills four slots for full capacity
  • DDR5 4800 CL40 at 1.1 V runs at rated speed
  • Registered ECC 1Rx8 corrects single-bit errors on the fly
  • 288-pin RDIMM form factor matches GIGABYTE MZ73-LM0 requirements
  • Major OEM Samsung Micron Hynix chips deliver enterprise stability

Server-grade DDR5 ECC RDIMM kit

This 64 GB kit contains four 16 GB DDR5-4800 registered ECC modules built to the exact rank, voltage and timing the GIGABYTE MZ73-LM0 motherboard expects. Each DIMM runs at 1.1 V with CL40 latency and a 1Rx8 organisation, so the memory controller recognises the full capacity at rated speed without manual tuning.

Thermals, noise and power draw

Operating at the standard DDR5 voltage of 1.1 V keeps power draw low per module, and the registered architecture reduces electrical load on the memory controller when all four slots are populated. No heat spreaders are fitted, so airflow across the bare PCBs handles the modest thermal output silently in a properly ventilated server chassis.

Build integration

The 288-pin RDIMM form factor matches the slots on the MZ73-LM0 and cannot be used in UDIMM or SODIMM sockets. Full population of four modules satisfies the board's registered-DIMM population rules, freeing no additional slots but delivering the maximum verified capacity in a single validated kit. Consult the motherboard manual for approved DIMM installation order before fitting.

How it compares

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

Price $1,885.99
Pricier than about 67% 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 $29.47 per GB
Pricier than about 84% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

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

Other versions of this model

5 more in the same range

Questions about this item

How do I install the 4x16GB DDR5 4800 RDIMM kit on the GIGABYTE MZ73-LM0 and what step is often missed?

Power off, open the chassis, and seat each 288-pin RDIMM in the exact slot order shown in the MZ73-LM0 manual; the step most often missed is confirming the population sequence for four 1Rx8 modules so the controller recognises the full 64GB at DDR5-4800.

What maintenance or replacement will the DDR5 ECC RDIMM kit need later?

No routine maintenance is required; the registered ECC design corrects single-bit errors on the fly, and if a module ever fails the lifetime replacement warranty covers a direct swap of the 16GB stick.

What limit appears first under sustained load with this DDR5 4800 CL40 1.1V kit?

The DDR5-4800 data rate and CL40 latency set the throughput ceiling; with all four slots populated at 1.1V the registered buffer keeps signal integrity, so the memory controller’s maximum supported bandwidth becomes the first bottleneck.

More in Model-Specific Memory Upgrades

Similar items