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Green circuit board with black memory chips, gold edge connector, no heat spreader

NEMIX RAM

NEMIX RAM 8GB DDR4 2400 ECC UDIMM Lenovo 4X70G88333

SKU CH-RBPQ-78YHN

8 GB DDR4 2400 ECC UDIMM module with CL17 latency and 1.2 V operation for Lenovo systems

  • Total capacity8 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL17
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • ECC protection guards data integrity in critical workloads
  • 2400 MHz DDR4 speed matches Lenovo 4X70G88333 specifications
  • 2 V operation reduces power draw per module
  • Single-rank 1Rx8 layout keeps signal timing clean
  • 288-pin UDIMM form factor fits standard server slots

Lenovo Compatible DDR4 ECC UDIMM

This 8 GB DDR4 2400 module carries ECC protection and runs at 1.2 V with CL17 latency. It is built for Lenovo servers and workstations that require unbuffered 288-pin DIMMs. The single-rank 1Rx8 layout fits standard UDIMM slots in compatible Lenovo platforms.

Thermals noise and power draw

Operating at the standard 1.2 V DDR4 voltage keeps power draw low and heat output minimal. No heat spreader is fitted, so airflow from the chassis fans passes directly over the DRAM chips. Silent operation is maintained because the module adds no active cooling of its own.

Upgrade path and value

The module replaces a failed stick or adds capacity to an empty slot in qualified Lenovo systems. It is not suited for platforms that demand registered or load-reduced DIMMs, nor for desktop boards that lack ECC support in the BIOS. The jump is worthwhile when ECC integrity is required for data-critical workloads.

How it compares

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

Price $61.99
Cheaper than about 75% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $7.75 per GB
Typical for this category: the median of 20,941 items is $8.19 per GB.

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Specifications

Product
Brand nameNEMIX RAM
Product lineLenovo Server/Workstation Compatible Series Memory
Model nameLenovo DDR4 2666 MHz ECC Unbuffered UDIMM
Part numberME19200-818K1
Total capacity8 GB
Product type288-Pin DDR4 ECC UDIMM
Performance
Rated speedDDR4 2400 (PC4 19200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL17
ECC supportYes
Buffer typeUnbuffered
Heat spreaderNo
Memory rank1Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsLenovo
In the box
Included items8 GB (1 × 8 GB) DDR4 2400 MHz PC4-19200 1Rx8 1.2 V CL17 288-PIN ECC Unbuffered UDIMM

Questions about this item

How do I install this 288-pin DDR4 ECC UDIMM and which orientation step is often missed?

Align the notch on the module with the slot key, press straight down until both retention clips click, and verify the motherboard is powered off and unplugged before starting.

What maintenance or replacement will this 1.20V CL17 module need over time?

No scheduled maintenance is required; keep air vents clear so the unbuffered chips stay cool, and replace the module only if memory diagnostics report correctable ECC errors that persist after reseating.

What limit appears first when this 2400 MHz 1Rx8 stick runs sustained workloads?

The JEDEC 1.20V voltage ceiling and CL17 latency bound the maximum stable throughput before thermal throttling or ECC correction overhead becomes the bottleneck.

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