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Twelve green DDR4 LRDIMM modules with gold contacts and black heat spreaders

NEMIX RAM

NEMIX RAM 3TB (12 x 256GB) DDR4 2933MHz PC4-23400 8Rx4 1.2V 288-PIN ECC LRDIMM server RAM

SKU CH-919C-TV662

A 3 TB server memory kit of twelve 256 GB DDR4 2933 MHz ECC load-reduced DIMMs with CAS 21 latency

  • Total capacity3 TB (12 × 256 GB)
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latency21
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced
  • Massive 3 TB capacity from twelve 256 GB modules
  • DDR4 2933 MHz speed rated at PC4-23400 bandwidth
  • Load-reduced ECC design protects data integrity
  • Low 1.2 V operation reduces server power draw
  • Major OEM Samsung, Micron or Hynix chips ensure reliability

Server Memory Capacity

This NEMIX RAM kit delivers 3TB of DDR4 server memory across twelve 256GB modules. It is built for enterprise platforms that require high-density registered DIMMs with error-correcting code. The load-reduced design lowers electrical load on the memory bus to support this capacity. It is not for standard desktop or workstation boards that accept only unbuffered UDIMMs.

Upgrade From Lower Density Kits

The kit replaces installations using smaller LRDIMM or RDIMM modules when the platform supports 8Rx4 organisation and DDR4 2933 speeds. The jump is worth it when workloads demand maximum memory footprint per socket and the motherboard qualifies this rank configuration. Systems limited to lower rank counts or slower data rates cannot use these modules.

Sustained Load Behaviour

Under continuous operation the modules run at 1.2V with CAS latency 21 at the rated 2933 MT/s data rate. The load-reduced buffer helps maintain signal integrity across all twelve slots during prolonged throughput. Stability depends on adequate airflow through the server chassis and a platform qualified for this density and rank structure.

How it compares

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

Price $17,427.99
Pricier than about 92% of the 6,523 comparable items (median $188.99).
Total capacity 3 TB (12 × 256 GB)
Higher than about 97% 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 $5.81 per GB
Cheaper than about 66% of the 6,064 comparable items (median $7.25 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Model namePart#: ML23400-2584K12-SM-SYS-1029U-TN12RV
Part numberPart#: ML23400-2584K12-SM-SYS-1029U-TN12RV
Total capacity3 TB (12 × 256 GB)
Performance
Rated speedDDR4 2933 (PC4 23400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latency21
ECC supportYes
Buffer typeLoad Reduced
Memory rank8Rx4
Power
Rated voltage1.2 V

Questions about this item

Will the 288-pin DDR4 LRDIMM modules fit my server's memory slots?

These 288-pin DDR4 LRDIMM modules require server motherboards with matching DDR4 LRDIMM slots; they will not fit standard desktop DIMM sockets.

What BIOS setting or installation step is often missed when adding these 8Rx4 LRDIMMs?

Enable LRDIMM support in the BIOS and populate all 12 slots identically; mixing ranks or leaving gaps prevents the system from posting.

How do I identify a failed module in this 12-piece kit for replacement?

Run a memory diagnostic to isolate the faulty 256GB stick, then replace only that module; the kit uses major OEM chips from Samsung, Micron or Hynix.

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