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Green rectangular DDR4 UDIMM module with black chips and gold contacts

NEMIX RAM

NEMIX RAM 32GB DDR4 2666 CL19 2Rx8 1.2V 288-Pin UDIMM memory upgrade

SKU CH-YS4J-4F12N

A 32 GB DDR4 2666 CL19 UDIMM built with Samsung chips for compatible desktop systems

  • Total capacity32 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL19
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 32 GB capacity expands multitasking headroom for demanding workloads
  • DDR4 2666 speed delivers PC4-21300 bandwidth for responsive performance
  • CL19 latency balances timing with stable operation
  • 2 V operation reduces power draw and heat output
  • 288-pin UDIMM form factor fits standard desktop DIMM slots

Samsung-Compatible Desktop Memory

This 32GB DDR4 2666 UDIMM module is built for Samsung desktop PCs that require non-ECC unbuffered memory. It suits IT professionals and enthusiasts upgrading a compatible system to 32GB in a single slot.

Single-Module Simplicity

The package contains one 288-pin stick rated at 1.2V with CL19 latency and a 2Rx8 rank configuration. No heat spreader is included, so the module fits tight spaces where taller DIMMs cannot.

32GB Capacity Headroom

The 32GB density handles heavy multitasking, virtual machines and large datasets on supported Samsung platforms. Systems limited to lower maximum memory per slot or requiring ECC registered modules cannot use this kit.

How it compares

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

Price $143.99
Cheaper than about 62% 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 $4.50 per GB
Cheaper than about 81% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineSamsung Desktop PC Compatible Series Memory
Model nameSamsung DDR4 2666 MHz Non-ECC Unbuffered UDIMM
Part numberMD21300-328K1
Total capacity32 GB
Product type288-Pin DDR4 UDIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL19
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 2666 MHz PC4-21300 2Rx8 1.2 V CL19 288-PIN Non-ECC Unbuffered UDIMM

Questions about this item

Will the 2Rx8 rank configuration require any firmware updates or module replacement down the line?

The 2Rx8 organization is a permanent hardware characteristic of this 32GB module and does not require firmware updates or scheduled replacement.

What limit appears first when this CL19 module runs at 2666 MT/s continuously?

The CAS latency of 19 cycles at 2666 MT/s sets the primary timing boundary during sustained workloads.

How much heat does the 1.2 V UDIMM produce during all-day operation without a spreader?

At 1.2 V the module draws standard DDR4 power; without a heat spreader it relies on case airflow to stay within normal operating temperatures.

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