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

NEMIX RAM

NEMIX RAM 32GB DDR4 2933 PC4-23400 CL21 1.2V 2Rx8 288-Pin UDIMM Samsung M378A4G43AB1-CVF memory upgrade

SKU CH-55A3-7PT1F

A 32 GB DDR4-2933 UDIMM module rated CL21 at 1.2 V for Samsung desktop systems

  • Total capacity32 GB
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL21
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 32GB capacity expands multitasking headroom for demanding workloads
  • DDR4 2933 speed transfers data at PC4-23400 rates
  • CL21 latency keeps response tight under load
  • 2V operation reduces power draw and heat
  • 2Rx8 dual-rank layout maximises density per slot

Capacity and Compatibility

This 32GB DDR4 module is built for desktop systems that require Samsung-compatible memory. It installs in a single 288-pin UDIMM slot and delivers 2933 MT/s speed with CL21 latency. The unbuffered, non-ECC design suits standard consumer motherboards rather than server platforms. Buyers who need ECC error correction or registered buffering should choose a different module.

Thermals and Power

Operating at 1.2V, the stick draws minimal power and runs without a heat spreader. Passive cooling relies on case airflow, so temperatures stay low during typical office workloads and light multitasking. Silent operation is assured because no fan or active component is present. Builders who prefer heatsink-equipped modules for aesthetic reasons will not find one here.

Sustained Load Behaviour

Under continuous heavy use the memory maintains its rated 2933 MT/s frequency and CL21 timings. Samsung-sourced ICs are stress-tested by the supplier to verify stability over extended periods. The dual-rank 2Rx8 organisation helps sustain bandwidth during prolonged compute tasks. Systems that demand higher frequencies or lower latencies for all-day rendering will need faster-rated kits.

How it compares

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

Price $186.99
Cheaper than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $5.84 per GB
Cheaper than about 67% of the 20,941 comparable items (median $8.19 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
Product lineSamsung Desktop PC Compatible Series Memory
Model nameSamsung DDR4 288-Pin Non-ECC Unbuffered UDIMM
Part numberMD23400-328K1
Total capacity32 GB
Product type288-Pin DDR4 UDIMM
Performance
Rated speedDDR4 2933 (PC4 23400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL21
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSamsung
In the box
Included items32 GB (1 × 32 GB) DDR4 2933 MHz PC4-23400 2Rx8 1.2 V CL21 288-PIN Non-ECC Unbuffered UDIMM

Questions about this item

How do I install this 288-pin DDR4 UDIMM and which step do people often get wrong?

Align the notch on the module with the key in the motherboard slot, press down firmly until both side clips snap shut, and verify the system reports 32 GB at 2933 MT/s; the step most often missed is seating the module fully so both clips engage automatically.

What maintenance or replacement will this 32 GB module need later?

No routine maintenance is required; keep the slot and contacts free of dust, and if the system ever fails to POST or shows memory errors, replace the module under its lifetime replacement coverage.

What limit appears first when this CL21 1.2 V kit runs under sustained load?

The CAS latency of 21 cycles at 2933 MT/s sets the timing floor, so sustained workloads will hit latency-bound throughput before voltage or thermal limits become a factor.

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