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Green circuit board with black memory chips, no heat spreader, 288-pin DDR5 DIMM

A-Tech

A-Tech 16GB DDR5 5600MHz CL40 1.1V Desktop RAM

SKU CH-J2W9-Z5ZMB

16 GB DDR5 desktop DIMM running at 5600 MHz with CL40 latency, 1.1 V operation, and Samsung M323R2GA3DB0-CWM compatibility

  • Total capacity16 GB
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetSamsung Chipset
  • CAS latencyCL40
  • Tested speed5600
  • Rated voltage1.1 V
  • 16GB DDR5 5600MHz boosts multitasking speed
  • CL40 latency keeps data flowing smoothly
  • 1V standard voltage lowers power draw
  • 288-pin DIMM fits standard desktop slots
  • Samsung chipset ensures reliable compatibility

What this module is

A-Tech supplies a 16GB DDR5 DIMM rated at 5600MHz with CL40 timings and 1.1V operation. The unbuffered non-ECC stick uses Samsung chips and matches the Samsung M323R2GA3DB0-CWM part number for direct replacement.

Who this suits

Desktop owners needing a single 16GB DDR5 module to replace a failed stick or add capacity will find the spec match useful. Systems that require ECC, registered memory or a different voltage should look at other modules.

Installation notes

The 288-pin DIMM seats in any standard DDR5 desktop slot without extra tools or configuration. Most issues arise when the motherboard firmware does not recognise the 5600MHz speed or when mixed kits prevent the system from posting.

How it compares

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

Price $211.99
Pricier than about 69% of the 3,647 comparable items (median $90.99).
Total capacity 16 GB
Typical for this category: the median of 3,251 items is 16 GB.
Price per GB $13.25 per GB
Pricier than about 81% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineCompatible Replacement for Samsung
Model nameM323R2GA3DB0-CWM
Total capacity16 GB
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetSamsung Chipset
Memory
CAS latencyCL40
Tested speed5600
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Recommended forCompatible Replacement for Samsung M323R2GA3DB0-CWM

Questions about this item

Will this 16GB DDR5 5600MHz module fit my desktop motherboard?

The module uses a standard 288-pin DDR5 DIMM form factor; check your motherboard manual to confirm it supports DDR5 memory before installing.

Does this RAM require a heat spreader or extra cooling?

No heat spreader is included; the module runs at the standard 1.1V DDR5 voltage and is designed to operate within normal case airflow.

Can I mix this CL40 stick with my existing DDR5 memory?

Mixing modules with different CAS latencies is possible but the system will run all sticks at the slowest timing; for best stability use identical modules.

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