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Green circuit board with black memory chips and gold edge connector

SAMSUNG

SAMSUNG M425R2GA3BB0-CQK 16GB DDR5 4800MHz laptop RAM

SKU CH-S9TZ-GGM2X

Adds 16 GB of DDR5 memory at 4800 MHz in a 262-pin SO-DIMM running at 1.1 V

  • Total capacity16 GB
  • Product type262-Pin DDR5 SO-DIMM
  • 16 GB capacity lets you run more apps simultaneously
  • DDR5 architecture delivers higher bandwidth than older memory types
  • 4800 MHz speed supports faster data transfer rates
  • 1 V operation reduces power draw during use
  • 262-pin SO-DIMM form factor fits compatible laptop slots

16 GB DDR5 SO-DIMM for notebooks

This module delivers 16 GB of DDR5 memory in a 262-pin SO-DIMM form factor designed for laptop upgrade slots. It operates at 4800 MHz with a 1.1 V supply and uses non-ECC unbuffered chips. The part number M425R2GA3BB0-CQK identifies the exact Samsung specification for procurement and compatibility checks.

Steady throughput at rated speed

Running continuously at 4800 MHz the memory maintains its rated frequency without down-clocking under sustained workloads such as large compiles or video exports. The low 1.1 V operating voltage limits heat output so thermal throttling is unlikely in typical notebook chassis. Performance remains consistent across extended sessions rather than peaking only in short bursts.

Straightforward slot insertion

Align the keyed notch on the 262-pin edge connector with the socket and press firmly until the side latches click into place. No tools or firmware updates are required beyond a standard BIOS that recognises DDR5 SO-DIMMs. The most common issue is seating the module incompletely which causes the system to fail POST or detect only half the capacity.

How it compares

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

Price $171.99
Pricier than about 74% of the 2,079 comparable items (median $70.99).
Total capacity 16 GB
Typical for this category: the median of 1,886 items is 16 GB.
Price per GB $10.75 per GB
Pricier than about 83% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameSAMSUNG
Model nameM425R2GA3BB0-CQK
Total capacity16 GB
Product type262-Pin DDR5 SO-DIMM

Questions about this item

How much power does the 16 GB DDR5 4800 MHz module draw at its 1.1 V operating voltage?

The stick runs at 1.1 V, the standard DDR5 voltage, which keeps power draw low and heat output modest during continuous use.

What slot type must my notebook have for this M425R2GA3BB0-CQK stick to fit?

It requires a 262-pin DDR5 SO-DIMM socket; the pin count and keying are specific to DDR5.

Can I run this 4800 MHz DDR5 module alongside slower DDR5 memory already in my laptop?

Yes, the system will clock all installed DDR5 down to the speed of the slowest module, so it will operate at the lower frequency.

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