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Four green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM MR44800-724K4 512GB 4x128GB DDR5 5600 CL46 ECC Registered RDIMM memory upgrade

SKU CH-FX2M-JTKZM

512 GB DDR5 5600 kit with four 128 GB registered ECC RDIMMs at CL46 and 1.1 V, validated for the ASRock Rack TURIND12M3-2Q/500W motherboard

  • Total capacity512 GB (4 × 128 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 512GB 4X128GB

  • 512 GB total capacity across four 128 GB modules for maximum server density
  • DDR5-5600 speed with CL46 latency delivers rated throughput for demanding workloads
  • Registered ECC architecture corrects single-bit errors on the fly to prevent data corruption
  • 1 V operating voltage reduces power draw per module at full population
  • Validated for ASRock Rack TURIND12M3-2Q/500W motherboard ensuring exact-fit compatibility

512GB DDR5-5600 ECC RDIMM kit

This 512GB kit contains four 128GB DDR5-5600 registered ECC RDIMMs built for the ASRock Rack TURIND12M3-2Q/500W motherboard. It targets administrators who need maximum supported capacity on that specific platform. The modules run at 1.1V with CL46 latency and a 2Rx4 organisation. Buyers who need a different form factor, non-ECC memory, or higher speeds should look elsewhere.

Installing four registered DIMMs

The 288-pin RDIMMs seat in the motherboard's DDR5 slots exactly as the manual directs; the registered buffer reduces electrical load so all four slots can be populated at once. Common issues arise when the population order in the manual is ignored or when BIOS settings force an unsupported speed, causing the system to fall back to a lower rate or fail POST. Verify the approved slot sequence before seating the modules.

DDR5-5600 registered ECC limits

The DDR5-5600 interface delivers 44,800 MT/s bandwidth, but the registered design adds one cycle of latency compared with unbuffered modules. ECC corrects single-bit errors and detects double-bit errors, yet it cannot recover from multi-bit failures or protect against controller-level faults. The 1.1V operating voltage is fixed by the DDR5 specification for this speed grade.

How it compares

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

Price $18,254.99
Pricier than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (4 × 128 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $35.65 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 numberMR44800-724K4
Total capacity512 GB (4 × 128 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 systemsASRock Rack
In the box
Included items512 GB 4 × 128 GB DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

How can I confirm the kit is running at 5600 MT/s and CL46 after installation?

Enter the system BIOS or UEFI and verify the memory speed shows 5600 MT/s with timings at 46-46-46; the registered ECC design ensures the motherboard recognises all four 128 GB modules at the rated frequency.

What exactly ships in the box and is anything else required?

The package contains four 128 GB DDR5 288-pin RDIMM modules for a total of 512 GB; no heat spreaders, cables or additional parts are included and nothing else is needed for installation.

Should I choose this 4 x 128 GB kit or a different capacity for the ASRock Rack TURIND12M3-2Q/500W?

Select this 512 GB kit when the board's memory population rules call for four 2Rx4 registered DIMMs at 1.1 V; other capacities or rank configurations may not match the motherboard's validated layout.

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