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Two green circuit boards with black memory chips, no heat spreaders, 288-pin DDR5 RDIMM form factor

NEMIX RAM

NEMIX RAM DDR5 4800 128GB 2x64GB ECC Registered RDIMM CL40 1.1V 288-Pin GIGABYTE MZ33-AR1 memory upgrade

SKU CH-Q7SJ-2EKTN

128 GB DDR5-4800 registered ECC kit in two 64 GB modules at CL40 and 1.1 V for GIGABYTE MZ33-AR1 servers

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 128GB 2X64GB

Show 18 more
  • 128 GB capacity across two 64 GB modules for high-density server workloads
  • DDR5-4800 speed rated at PC5-38400 for fast data throughput
  • Registered ECC design with 2Rx4 organisation corrects single-bit errors on the fly
  • 1 V operation matches the motherboard's memory controller specification exactly
  • 288-pin RDIMM form factor verified for the GIGABYTE MZ33-AR1 platform

Exact-match DDR5 upgrade for GIGABYTE MZ33-AR1

This 128 GB kit contains two 64 GB DDR5-4800 RDIMMs built to the precise rank, voltage and timing the server expects. Registered ECC operation at 1.1 V and CL40 lets the memory controller recognise full capacity at rated speed.

Registered ECC limits and DDR5-4800 bandwidth

Registered architecture buffers each command so every slot can run fully populated without overloading the controller. ECC corrects single-bit errors on the fly, preventing silent corruption. The DDR5-4800 interface delivers PC5-38400 throughput, which is the maximum this standard allows.

Keyed 288-pin installation and population rules

The 288-pin RDIMM key prevents insertion into UDIMM or SODIMM slots. No heat spreader is fitted, so clearance inside dense chassis is straightforward. Consult the motherboard manual for approved DIMM population order and supported capacities before fitting the modules.

How it compares

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

Price $3,025.99
Pricier than about 73% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $23.64 per GB
Pricier than about 68% 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 numberMR38400-924K2
Total capacity128 GB (2 × 64 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 rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsGIGABYTE
In the box
Included items128 GB 2 × 64 GB DDR5 4800 MHz PC5-38400 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 128GB kit or a smaller capacity for my GIGABYTE MZ33-AR1?

The 128GB kit provides two 64GB DDR5 4800 RDIMMs that match the board's memory-population rules; smaller kits will not reach the same total capacity.

What does DDR5 4800 PC5-38400 mean once the modules are installed in the server?

The memory controller will run each DIMM at 4800 MT/s with CL40 latency at 1.1V, delivering the rated bandwidth the board expects when fully populated.

How does the 288-pin RDIMM interface affect installation and performance on this motherboard?

The 288-pin Registered form factor is required by the MZ33-AR1; it offloads the memory controller so all slots operate at full speed with ECC error correction.

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