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Green circuit board with black memory chips and gold edge connector

A-Tech

A-Tech 4GB DDR3L 1600 SODIMM 204-Pin 1.35V Laptop RAM

SKU CH-GX12-QZ62N

4GB DDR3L 1600MHz laptop SODIMM, 204-pin low-voltage module for Samsung-compatible memory upgrades

  • Capacity4GB
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCNo
  • 4 GB capacity lets you run more applications smoothly
  • DDR3L 1600 MHz speed delivers fast data transfer rates
  • 35 V low voltage reduces power consumption and heat
  • 204-pin SO-DIMM form factor fits standard laptop memory slots
  • Non-ECC unbuffered design ensures broad compatibility with consumer notebooks

Capacity and Compatibility

This 4GB DDR3L SODIMM module operates at 1600MHz with a CL11 latency and runs at 1.35V. It is an unbuffered, non-ECC 204-pin stick built as a direct replacement for the Samsung M471B5173QHY-YK0 part number. The low-voltage design targets laptops, notebooks and all-in-one computers requiring PC3L-12800 memory.

Ideal Use and Limitations

This module suits owners of compatible legacy systems needing a single 4GB stick to restore or expand memory capacity. It is not for users whose devices require 1.5V DDR3, registered or ECC memory, or a total capacity beyond what a single 4GB module provides. Buyers needing higher frequencies, lower latencies or dual-channel kits should look elsewhere.

Decisive Specification

The 1.35V DDR3L voltage is the critical factor; the module will not function correctly in slots that only supply 1.5V standard DDR3 power. Verify that your system specifically supports DDR3L before ordering.

Highlights

  • 4 GB capacity lets you run more applications smoothly
  • DDR3L 1600 MHz speed delivers fast data transfer rates
  • 35 V low voltage reduces power consumption and heat
  • 204-pin SO-DIMM form factor fits standard laptop memory slots
  • Non-ECC unbuffered design ensures broad compatibility with consumer notebooks

Specifications

BrandA-Tech
SeriesCompatible Replacement for Samsung
ModelM471B5173QHY-YK0
Capacity4GB
Type204-Pin DDR3 SO-DIMM
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Voltage1.35V
ECCNo
Buffered/RegisteredUnbuffered
Heat SpreaderNo
FeaturesM471B5173QHY-YK0
Recommend UseCompatible Replacement for Samsung M471B5173QHY-YK0

Questions about this item

What does the 1600 MHz speed rating actually deliver in a laptop?

It runs at 1600 MHz with CL11 latency, giving a PC3L-12800 peak bandwidth that improves multitasking and load times when the system supports DDR3L 1600.

How does the 1.35 V DDR3L interface affect compatibility?

The module operates at 1.35 V, the DDR3L low-voltage standard, and will also work in 1.5 V DDR3 slots because DDR3L is backward-compatible with DDR3 voltage.

Will the 204-pin SO-DIMM fit my laptop's memory slot?

Yes, it uses the 204-pin DDR3 SO-DIMM form factor; confirm your laptop takes DDR3 SO-DIMMs before installing.

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