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

NEMIX RAM

NEMIX RAM 4GB DDR4 2666 CL19 1.2V 288-pin UDIMM

SKU CH-D9Y4-Y4CVQ

A 4 GB DDR4 UDIMM running at 2666 MT/s with CL19 latency and 1.2 V operation

  • Total capacity4 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • 4GB capacity lets you add essential system memory
  • 2666 MT/s DDR4 speed supports responsive everyday computing
  • CL19 latency at 1.20 V balances timing with low power draw
  • 288-pin UDIMM form factor fits standard desktop motherboards
  • Built with major OEM chips and stress-tested for reliability

Capacity and form factor

This 4 GB DDR4 UDIMM uses a 288-pin layout and runs at 1.20 V. It is built for standard desktop motherboards that accept non-ECC unbuffered modules. The stick carries no heat spreader and relies on case airflow for cooling.

Who this suits and who should look elsewhere

Home or office PCs needing a basic capacity boost will find this single-rank CL19 module a straightforward fit. Systems that require ECC protection, registered signalling or speeds above 2666 MT/s must choose a different part.

Deciding specification

The rated speed of 2666 (PC4-21300) combined with CL19 latency determines whether the module matches the motherboard's supported profile. Verify that the board lists this exact frequency and timing before purchase.

How it compares

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

Price $29.99
Cheaper than about 79% of the 3,647 comparable items (median $90.99).
Total capacity 4 GB
Lower than about 80% of the 3,251 comparable items (median 16 GB).
Price per GB $7.50 per GB
Pricier than about 55% of the 3,251 comparable items (median $6.75 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 lineNEMIX RAM DDR4 Orignial Desktop PC 288-Pin Non-ECC Unbuffered UDIMM Memory
Model nameOriginal Series DDR4 Desktop PC Memory Solutions
Part numberMD21300-416K1
Total capacity4 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
Power
Rated voltage1.2 V
More details
LED lightingNone

Questions about this item

Should I choose the 4GB single module or look for a kit?

This listing is a single 4GB UDIMM; adding a second identical module later will enable dual-channel bandwidth if your board has two slots.

What does the 2666 MHz rating deliver in daily use?

The module runs at DDR4 2666 with CL19 timing, giving standard desktop throughput for office apps and light multitasking.

Will the PC4-21300 label limit speed on my motherboard?

PC4-21300 simply confirms the 2666 MT/s ceiling; the board will clock it down automatically if its memory controller supports a lower maximum.

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