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
Eight green DDR5 RDIMM modules in a row, no heat spreaders, 288 pins each

NEMIX RAM

NEMIX RAM 128GB 8x16GB DDR5 4800 CL40 ECC RDIMM GIGABYTE MZ73-LM1 memory upgrade

SKU CH-N5N9-Y5XW1

128 GB DDR5 ECC registered server kit with eight 16 GB modules at 4800 MT/s, CL40, 1.1 V, verified for the Gigabyte MZ73-LM1 motherboard

  • Total capacity128 GB (8 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 128GB 8X16GB

Show 18 more
  • 128 GB total capacity from eight 16 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • CL40 latency with 1.10 V operating voltage
  • Registered ECC design corrects single-bit errors
  • Validated for GIGABYTE MZ73-LM1 motherboard

Exact-fit DDR5 kit for GIGABYTE MZ73-LM1

This 128GB kit contains eight 16GB DDR5 4800 RDIMM modules built to the precise rank, voltage and timing the GIGABYTE MZ73-LM1 memory controller expects. Each 288-pin registered ECC DIMM operates at 1.1V with CL40 latency so the board recognises full capacity at rated speed without manual tuning. It is intended for administrators who need a validated, single-SKU upgrade for this specific motherboard.

Registered architecture and low voltage

Registered buffering offloads the memory controller allowing every slot to run fully populated at full capacity while ECC corrects single-bit errors on the fly to prevent silent data corruption. The modules draw only 1.1V and carry no heat spreader, relying on the server chassis airflow for cooling. Acoustic output is determined entirely by the system fans and the DIMMs themselves add no measurable noise.

Replaces partial or mismatched populations

This kit replaces incomplete or mixed-capacity DIMM sets that force the platform to run at reduced speed or capacity limits. The jump is worth it when the workload demands the full 128GB at DDR5 4800 with registered ECC stability and the motherboard manual confirms the 8x16GB population order. Builders who need a different capacity, a UDIMM form factor or a non-ECC configuration should look elsewhere.

How it compares

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

Price $3,307.99
Pricier than about 74% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (8 × 16 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $25.84 per GB
Pricier than about 71% 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 numberMR38400-618K8
Total capacity128 GB (8 × 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 items128 GB 8 × 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 8x16GB DDR5 RDIMM kit in the GIGABYTE MZ73-LM1 and which slot order is correct?

Power down, open the chassis, and insert each 288-pin module into the DIMM slots following the exact population sequence shown in the MZ73-LM1 manual; the board requires registered DIMMs in a specific order to recognise all 128GB at 4800 MT/s.

What maintenance or replacement will the ECC RDIMM modules need over their service life?

The modules have no heat spreaders and no moving parts, so no scheduled maintenance is required; if a stick fails, the lifetime replacement warranty covers a direct swap of the defective 16GB unit.

What is the first limit that appears when the kit runs at full load continuously?

Sustained throughput is capped by the DDR5-4800 CL40 timing and 1.10V operating voltage; the registered buffer and ECC logic add latency, so memory bandwidth saturates before thermal throttling becomes a factor.

More in Model-Specific Memory Upgrades

Similar items