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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

  • Total capacity4 GB
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeUnbuffered
  • Recommended forCompatible Replacement for Samsung M471B5173QHY-YK0
  • 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.

How it compares

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

Price $17.99
Cheaper than about 90% of the 2,079 comparable items (median $70.99).
Total capacity 4 GB
Lower than about 80% of the 1,886 comparable items (median 16 GB).
Price per GB $4.50 per GB
Cheaper than about 75% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineCompatible Replacement for Samsung
Model nameM471B5173QHY-YK0
Total capacity4 GB
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Memory
CAS latencyCL11
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Recommended forCompatible 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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