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Six green DDR5 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 768GB 6x128GB DDR5 6400 CL52 1.1V 2Rx4 ECC RDIMM Kit memory upgrade

SKU CH-AR0R-5G8AN

768 GB DDR5 server kit with six 128 GB registered ECC RDIMMs at 6400 MT/s, CL52 and 1.1 V for GIGABYTE MZ33-CP1

  • Total capacity768 GB (6 × 128 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 768GB 6X128GB

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  • Massive 768 GB capacity from six 128 GB modules for memory-intensive server workloads
  • DDR5 6400 speed with CL52 latency delivers rated throughput on compatible platforms
  • Registered ECC architecture offloads the controller and corrects single-bit errors automatically
  • 10 V operating voltage matches the motherboard's memory controller specification exactly
  • 288-pin RDIMM form factor verified for GIGABYTE MZ33-CP1 motherboard compatibility

Exact-match server upgrade

This 768 GB kit delivers six 128 GB DDR5 RDIMM modules rated at 6400 MT/s with CL52 latency and 1.1 V operation. It is built for the GIGABYTE MZ33-CP1 motherboard and uses 2Rx4 registered ECC chips so the memory controller sees the exact rank, voltage and timing it expects.

Registered ECC population limits

Registered DIMMs buffer the command bus, allowing every slot to be filled without signal degradation, while ECC corrects single-bit errors on the fly. The board's own population rules still dictate which slots must be used first and the maximum capacity per channel, so the manual must be consulted before installation.

Replaces partial or mismatched kits

Swapping a smaller or mixed-capacity set for this matched 6×128 GB kit eliminates rank-mismatch errors and lets the platform run at its rated 6400 MT/s across all channels. The jump is worthwhile when the workload needs the full 768 GB at spec speed rather than a reduced capacity or down-clocked configuration.

How it compares

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

Price $25,166.99
Pricier than about 92% of the 21,161 comparable items (median $397.99).
Total capacity 768 GB (6 × 128 GB)
Higher than about 92% of the 20,941 comparable items (median 32 GB).
Price per GB $32.77 per GB
Pricier than about 90% 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 numberMR51200-724K6
Total capacity768 GB (6 × 128 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsGIGABYTE
In the box
Included items768 GB 6 × 128 GB DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Should I choose the 768GB kit or a smaller capacity for my GIGABYTE MZ33-CP1?

The 768GB kit provides six 128GB modules that fully populate the board's DDR5 6400 slots. Choose it when your workload needs maximum registered ECC capacity; select a smaller kit only if the manual limits total memory or population order.

What does the DDR5 6400 rating deliver once installed in the server?

The modules run at 6400 MT/s with CL52 latency at 1.1V, giving the memory controller its rated bandwidth of PC5-51200 while registered ECC operation keeps every slot stable at full population.

How does the 288-pin RDIMM interface affect real-world speed limits?

The 288-pin registered DIMM format is required by the MZ33-CP1; it buffers address and command signals so all six slots operate at the full DDR5 6400 data rate without signal degradation.

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