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Six green DDR4 LRDIMM modules with gold contacts and black chips

NEMIX RAM

NEMIX RAM 768GB (6 x 128GB) DDR4 2933MHz PC4-23400 4Rx4 1.2V 288-PIN ECC LRDIMM server RAM

SKU CH-421W-9MC1K

A 768GB kit of six 128GB DDR4 2933MHz ECC load-reduced DIMMs for server memory upgrades

  • Total capacity768 GB (6 × 128 GB)
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latency21
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced
  • 768 GB total capacity from six 128 GB modules
  • DDR4 2933 MHz speed rated at PC4-23400 bandwidth
  • ECC Load Reduced DIMM technology improves server reliability
  • 2 V operating voltage for efficient power draw
  • 4Rx4 quad-rank organisation maximises density per slot

Capacity and Purpose

This NEMIX RAM kit provides 768GB across six 128GB DDR4 LRDIMM modules for servers that need maximum registered ECC memory. It targets administrators upgrading compatible platforms where load-reduced DIMMs are required for high-capacity configurations.

Installation Notes

Each module uses the standard 288-pin DDR4 form factor and seats like any registered DIMM, but the 4Rx4 organisation and load-reduced buffer mean the platform must explicitly support LRDIMM populations. Systems limited to standard RDIMMs or lower rank counts will not post with these modules installed.

Sustained Operation

Rated at 2933MHz with CAS 21 latency and 1.2V operation, the kit is built for continuous server workloads rather than short bursts. The ECC circuitry and load-reduced architecture maintain signal integrity across all six modules during extended duty cycles.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $4,616.99
Pricier than about 90% of the 6,523 comparable items (median $188.99).
Total capacity 768 GB (6 × 128 GB)
Higher than about 92% of the 6,064 comparable items (median 32 GB).
CAS latency 21
Lower than about 90% of the 439 comparable items (median 40).
Price per GB $6.01 per GB
Cheaper than about 64% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Model namePart#: ML23400-744K6-SM-SYS-5019P-M
Part numberPart#: ML23400-744K6-SM-SYS-5019P-M
Total capacity768 GB (6 × 128 GB)
Performance
Rated speedDDR4 2933 (PC4 23400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latency21
ECC supportYes
Buffer typeLoad Reduced
Memory rank4Rx4
Power
Rated voltage1.2 V

Questions about this item

How do I confirm the 768GB kit is running at the rated 2933MHz with ECC active after installation?

Enter the server BIOS or UEFI and verify the memory frequency shows 2933MHz (PC4-23400), the total capacity reads 768GB across six slots, and ECC status is reported as enabled; the modules operate at 1.2V with CAS latency 21

What comes in the box and what must be purchased separately?

The kit includes six 128GB DDR4 2933MHz ECC LRDIMM modules (part ML23400-744K6-SM-SYS-5019P-M); no cables, brackets or additional components are supplied, and no separate parts are required for standard server DIMM slots

How do I choose between the listed versions or capacities for this kit?

This product is a single 768GB configuration comprising six 128GB 4Rx4 LRDIMMs at 2933MHz; select it when your server requires that exact capacity, rank structure and load-reduced registered ECC specification

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