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Four green DDR4 LRDIMM sticks with black heat spreaders and gold contacts

NEMIX RAM

NEMIX RAM 512GB (4 x 128GB) DDR4 2933 ECC LRDIMM Server RAM

SKU CH-68YQ-6T3WW

A 512GB DDR4 ECC LRDIMM kit of four 128GB modules running at 2933MHz with CL21 latency and 1.2V operation

  • Total capacity512 GB (4 × 128 GB)
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latency21
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced
  • 512 GB total capacity supports large server workloads
  • Four 128 GB modules simplify high-density configuration
  • DDR4 2933 MHz speed delivers fast data throughput
  • ECC and Load Reduced design protects data integrity
  • 2 V operation reduces power draw per module

Server memory kit for high-capacity workloads

This 512GB kit contains four 128GB DDR4 2933 LRDIMM modules designed for server platforms that require load-reduced ECC memory. The 4Rx4 organisation and 1.2V operation suit systems qualified for PC4-23400 registered DIMMs. It is not for standard PC computers or consumer motherboards.

Sustained throughput with load-reduced topology

Load-reduced buffering lowers electrical load on the memory bus so all four modules can run at 2933MHz under continuous demand. ECC corrects single-bit errors in real time while CAS 21 latency keeps access times predictable during long compute jobs. The major OEM Samsung, Micron or Hynix DRAM maintains stable timings across extended duty cycles.

288-pin LRDIMM form factor for qualified server

Each module uses the 288-pin LRDIMM connector keyed for registered server DIMM sockets. The 4Rx4 rank structure fits platforms validated for this density and organisation. Build quality follows the supplier lifetime replacement warranty terms. Buyers needing unbuffered UDIMMs, lower densities or non-ECC memory must select a different product type.

How it compares

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

Price $3,032.99
Pricier than about 90% of the 6,523 comparable items (median $188.99).
Total capacity 512 GB (4 × 128 GB)
Higher than about 91% 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 $5.92 per GB
Cheaper than about 64% 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#: ML23400-744K4-SM-SYS-5019P-M
Part numberPart#: ML23400-744K4-SM-SYS-5019P-M
Total capacity512 GB (4 × 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 much power does the 1.2 V DDR4 2933 kit draw when the server runs continuously?

Each 128 GB LRDIMM operates at 1.2 V; total draw depends on your platform's memory-controller efficiency and the 4Rx4 organisation.

What motherboard feature must already be present for these 288-pin ECC LRDIMMs to function?

The board needs DDR4 slots that support Load Reduced DIMMs, ECC, and the PC4-23400 data rate.

Will the 4Rx4 organisation work beside older 2Rx4 DDR4 modules already installed?

Mixing ranks is not recommended; the memory controller typically forces all channels to the slowest common timing.

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