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Green rectangular SO-DIMM circuit board with black memory chips and gold edge connector

SAMSUNG

SAMSUNG 4GB DDR4-2666 SO-DIMM M471A5143EB1-CTD

SKU CH-4831-8QG25

A 4GB DDR4-2666 SO-DIMM module for notebook memory upgrades

  • Total capacity4 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • 4 GB capacity for smoother multitasking
  • DDR4-2666 speed rated at PC4-21300
  • SO-DIMM form factor fits laptop slots
  • Operates at 1333 MHz clock frequency

Samsung 4GB DDR4-2666 SO-DIMM

This Samsung SO-DIMM provides 4GB of DDR4 memory rated at 2666 MT/s for notebook upgrades. It suits users replacing a failed module or adding capacity to a single empty slot in a compatible laptop. The module operates at the standard DDR4 voltage for mobile platforms. It is not for buyers who need higher capacities or faster speeds than the single 4GB stick delivers.

Thermals noise and power

DDR4 SO-DIMMs run cool and silent because they have no moving parts and draw only a few watts under load. The low-profile circuit board fits within standard laptop memory compartments without blocking airflow. Typical power consumption stays within the limits defined by the DDR4 notebook specification. No additional cooling or noise considerations are required for normal use.

How it compares

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

Price $27.99
Cheaper than about 76% 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 $7.00 per GB
Pricier than about 61% of the 1,886 comparable items (median $5.94 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
Total capacity4 GB
Performance
Rated speedDDR4 2666 (PC4 21300)

Questions about this item

How do I install the M471A5143EB1-CTD SO-DIMM and which step is often missed?

Align the notch on the module with the slot key, insert at an angle, then press down firmly until both side clips click into place; the step most often missed is verifying both clips have fully engaged.

What maintenance or replacement will the M471A5143EB1-CTD need over time?

No scheduled maintenance is required; keep the laptop vents clear of dust to prevent overheating, and replace the module only if memory errors appear or a larger capacity is desired.

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