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Two green DDR5 RDIMM modules without heat spreaders in a 128GB kit

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR5 5600 ECC Registered RDIMM CL46 1.1V Supermicro H14SHM memory upgrade

SKU CH-CZ97-HGBYV

A 128 GB DDR5 registered ECC kit built for the Supermicro H14SHM, running at 5600 MT/s with CL46 latency and 1.1 V operation

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 128GB 2X64GB

Show 24 more
  • 128 GB total capacity from a matched 2 × 64 GB kit
  • DDR5-5600 speed with PC5-44800 bandwidth rating
  • Registered ECC RDIMM design corrects single-bit errors on the fly
  • 1 V operation at CL46 latency for server-grade stability
  • Verified fit for Supermicro H14SHM motherboard 288-pin slots

Exact-match server upgrade

This 128 GB kit uses two 64 GB DDR5-5600 RDIMMs built to the Supermicro H14SHM memory controller's exact rank, voltage and timing requirements. Registered ECC architecture ensures every slot runs fully populated at rated speed while correcting single-bit errors before they reach production workloads.

Capacity and headroom

The 2Rx4 organisation delivers 128 GB of registered memory for virtualisation hosts, database nodes or compute clusters that need maximum density per channel. Headroom ends at the board's approved population limits; exceeding the manual's supported capacities or slot order will prevent the system from posting.

Build and daily implications

Modules ship without heat spreaders, relying on server chassis airflow for cooling at 1.1 V. The 288-pin RDIMM keying prevents accidental insertion of UDIMM or SODIMM parts, and the kit's part number MR44800-924K2 simplifies asset tracking during firmware updates or warranty claims.

How it compares

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

Price $4,082.99
Pricier than about 77% 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 $31.90 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 numberMR44800-924K2
Total capacity128 GB (2 × 64 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL46
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB 2 × 64 GB DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

Will this 128GB DDR5 5600 ECC RDIMM kit work in a Supermicro H14SHM board that already has other DDR5 RDIMMs installed?

This kit uses the DDR5 5600 (PC5-44800) 2Rx4 Registered ECC specification at 1.1V. The Supermicro H14SHM requires DDR5 RDIMMs. Mixing modules with different speeds, ranks, or timings can prevent the system from running at the rated 5600 speed or full 128GB capacity. Check the motherboard manual for supported population rules.

How can I verify the kit is running at DDR5 5600 CL46 after installation?

Enter the system BIOS or use a hardware utility to confirm the memory operates at 5600 MT/s with CL46 latency at 1.1V. The Registered ECC design allows the controller to manage the 2Rx4 organization across both 64GB modules.

What is included in the box and do I need any extra parts?

The package contains the 128GB kit as two 64GB 288-pin DDR5 RDIMMs. No heat spreaders, cables, or additional hardware are included. The modules install directly into the motherboard DDR5 slots.

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