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Two green DDR5 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 32GB 2x16GB DDR5 4800 CL40 1.1V 1Rx8 ECC RDIMM MZ23-SU0 memory upgrade

SKU CH-1GQW-6NRKD

32 GB dual-channel DDR5 kit with two 16 GB registered ECC RDIMMs at 4800 MT/s, CL40, 1.1 V, validated for the Gigabyte MZ23-SU0 motherboard

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 32GB 2X16GB

Show 18 more
  • 32 GB capacity in a 2 x 16 GB kit
  • DDR5 4800 speed rated at PC5-38400
  • CL40 latency at 1.1 V operation
  • Registered ECC RDIMM for server stability
  • 288-pin form factor fits GIGABYTE MZ23-SU0

Exact-match DDR5 ECC RDIMM kit

This NEMIX RAM kit supplies 32 GB as two 16 GB DDR5-4800 registered ECC modules built to the PC5-38400 standard. It is intended for administrators upgrading a GIGABYTE MZ23-SU0 motherboard that requires 288-pin RDIMMs with 1Rx8 organisation and 1.1 V operation. The registered buffer and on-die ECC protect data integrity in multi-slot server configurations.

Registered DDR5 population limits

DDR5 RDIMMs rely on the motherboard's memory controller to enforce slot population rules and maximum supported capacity per channel. The MZ23-SU0 manual defines which slots must be filled first and whether mixed-rank configurations are permitted. Exceeding the board's validated DIMM-per-channel limit or ignoring the prescribed installation order will prevent the system from posting at the rated 4800 MT/s speed.

1Rx8 registered ECC at 1.1 V

The single-rank-by-eight architecture combined with registered signalling and ECC is the decisive specification for this platform. Only modules matching that exact rank, voltage, and error-correction profile will initialise at full capacity and maintain stability across all populated slots. Builders needing unbuffered UDIMMs, SODIMMs, or a different rank structure must select a different kit.

How it compares

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

Price $841.99
Pricier than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $26.31 per GB
Pricier than about 72% 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 numberMR38400-618K2
Total capacity32 GB (2 × 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 items32 GB 2 × 16 GB DDR5 4800 MHz PC5-38400 1Rx8 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Should I pick the 2x16GB kit or a single 32GB module for the GIGABYTE MZ23-SU0?

The kit provides two 16GB DDR5 RDIMMs (32GB total) matching the board's 288-pin registered ECC spec; a single 32GB DIMM would change rank and population rules.

What does DDR5-4800 CL40 deliver once installed in the MZ23-SU0?

The modules run at 4800 MT/s with CL40 latency at 1.1V, giving the bandwidth and error-correction the server platform expects for stable full-capacity operation.

How does the PC5-38400 rating and 288-pin RDIMM interface limit real-world use?

PC5-38400 caps the data rate at 4800 MT/s, while the registered 288-pin RDIMM form factor only fits DDR5 server boards that support registered ECC — it will not work in UDIMM or SODIMM slots.

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