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Two green DDR5 RDIMM sticks without heat spreaders, 288-pin, 64GB kit

NEMIX RAM

NEMIX RAM DDR5 4800 ECC RDIMM 64GB (2x32GB) CL40 1.1V 2Rx8 memory upgrade for GIGABYTE MZ33-CP1

SKU CH-87ZS-KRZ4X

64 GB dual-channel DDR5 ECC registered kit, CL40 at 1.1 V, validated for the Gigabyte MZ33-CP1 server board

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 64GB 2X32GB

Show 18 more
  • 64 GB capacity in a 2 × 32 GB kit enables full server memory population
  • DDR5 4800 speed with CL40 timing matches the motherboard's rated frequency and latency
  • ECC and registered design correct single-bit errors and buffer signals for enterprise stability
  • 10 V operation at 2Rx8 rank aligns with the platform's voltage and rank requirements
  • 288-pin RDIMM form factor fits the GIGABYTE MZ33-CP1 memory slots exactly

Exact-match server upgrade

This 64 GB kit delivers two 32 GB DDR5 4800 RDIMMs built to the precise rank, voltage and timing the GIGABYTE MZ33-CP1 memory controller expects. Registered ECC architecture offloads the controller so every slot runs fully populated at rated speed while correcting single-bit errors on the fly.

Sustained-load behaviour

Registered buffering keeps electrical loading stable when all channels are filled, allowing the modules to hold their CL40 latency at 1.1 V through continuous workloads. ECC detection and correction operates in real time, preventing silent data corruption during long compute runs.

Thermals and power

Operating at 1.1 V without a heat spreader, the modules draw minimal power and rely on chassis airflow for cooling. The low-voltage DDR5 design reduces heat output compared with higher-voltage generations, keeping acoustic impact negligible in a properly ventilated server.

How it compares

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

Price $1,840.99
Pricier than about 67% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $28.77 per GB
Pricier than about 81% 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 numberMR38400-328K2
Total capacity64 GB (2 × 32 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 rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsGIGABYTE
In the box
Included items64 GB 2 × 32 GB DDR5 4800 MHz PC5-38400 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

How much heat does the 1.10 V DDR5 4800 kit produce under continuous load?

The modules run at 1.10 V with no heat spreader, so they generate modest heat typical for registered DDR5 at this voltage; ensure your server chassis provides adequate airflow across the 288-pin slots.

What motherboard slot and population rules does the GIGABYTE MZ33-CP1 require for this 64 GB kit?

The board needs 288-pin DDR5 RDIMM slots; install the two 32 GB modules in the channels and order specified in the MZ33-CP1 manual to run at the rated 4800 MT/s.

Will the 2Rx8 registered ECC modules work alongside any existing RDIMMs I keep in the server?

Mixing ranks or speeds can force the memory controller to down-clock all slots; for stable operation at 4800 MT/s populate every channel with identical 2Rx8 CL40 modules per the board's population guide.

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