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Six green DDR4 UDIMM modules, no heat spreaders, gold contacts visible

NEMIX RAM

NEMIX RAM 48GB (6x8GB) DDR4 3200 ECC UDIMM CL22 1.2V

SKU CH-CWZB-5DN3K

A 48 GB server memory kit of six 8 GB DDR4 3200 ECC UDIMM modules at CL22 and 1.2 V

  • Total capacity48 GB (6 × 8 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeUnbuffered

Capacity 48GB (6 x 8GB)

  • ECC protection guards data integrity with built-in error correction
  • 48GB total capacity across six matched 8GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • Low 1.20V operation reduces power draw per module
  • Unbuffered 288-pin UDIMM fits compatible desktop and server boards

Server Memory Kit 48GB DDR4 ECC UDIMM

This 48GB kit contains six 8GB unbuffered DDR4 modules rated at 3200 MT/s with CL22 latency and 1.20V operation. It is built for servers, workstations and NAS units that require ECC error correction without registered buffering. The modules use major OEM chips from Samsung, Micron or Hynix and carry no heat spreaders.

Sustained Load Stability 1Rx8 Configuration

Each module is a single-rank 1Rx8 design validated through rigorous stress testing under load to ensure reliability in mission-critical environments. ECC circuitry detects and corrects single-bit errors continuously during long compute runs, preventing silent data corruption. Unbuffered topology keeps latency low for workloads that favour responsiveness over maximum density.

Thermal Noise and Power Profile 1.2V Operation

Running at the standard 1.2V DDR4 voltage, the modules draw minimal power and generate modest heat even when all six slots are populated. Without heat spreaders, airflow from chassis fans is sufficient for cooling in typical server chassis. The low-voltage design helps keep system power budgets predictable during extended uptime.

How it compares

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

Price $377.99
Pricier than about 65% of the 6,523 comparable items (median $188.99).
Total capacity 48 GB (6 × 8 GB)
Higher than about 65% of the 6,064 comparable items (median 32 GB).
Price per GB $7.87 per GB
Pricier than about 56% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Memory
Model nameDDR4 ECC Unbuffered UDIMM Memory
Part numberME25600-818K6
Total capacity48 GB (6 × 8 GB)
Product type288-Pin DDR4 ECC UDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportYes
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.2 V

Other versions of this model

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Questions about this item

How much power does the 1.2V DDR4 kit draw when running continuously?

Each module operates at 1.2V, so the six-stick kit runs at standard DDR4 voltage without elevated power draw.

What motherboard feature is required for these ECC UDIMMs to function?

The board must support unbuffered ECC DDR4 memory on 288-pin slots.

Will the CL22 timing work alongside older DDR4 modules I keep installed?

All sticks will run at the slowest common speed and loosest timing; the CL22 modules will match the older modules' settings.

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