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Green rectangular circuit board with gold contacts and black memory chips

A-Tech

A-Tech 4GB DDR4 2666MHz CL19 260-Pin SODIMM Micron MTA4ATF51264HZ-2G6E1 Compatible Laptop RAM

SKU CH-W9YY-NASF7

4GB DDR4 2666MHz CL19 260-pin SODIMM laptop memory module for compatible systems

  • Capacity4GB
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCNo
  • Boosts multitasking capacity with 4GB DDR4 2666MHz module
  • Fits standard laptop slots using 260-pin SODIMM form factor
  • Runs efficiently at 1.2V DDR4 standard voltage
  • Delivers responsive performance with CL19 CAS latency
  • Tested for reliable operation in AMD and Intel systems

4GB DDR4 Laptop Memory Upgrade

This A-Tech module provides 4GB of DDR4 2666MHz memory in a 260-pin SODIMM form factor. It operates at 1.20V with CL19 latency and is unbuffered non-ECC. The module is designed as a compatible replacement for Micron part numbers MTA4ATF51264HZ-2G6E1, MTA4ATF51264HZ-2G6E3, and MTA4ATF5126HZ-2G6E1. It suits laptops, notebooks, and all-in-one systems requiring a standard DDR4 SO-DIMM upgrade.

Who Should Buy This Module

This single 4GB stick suits users replacing a failed module or adding capacity to a laptop with an available SODIMM slot supporting DDR4 2666MHz. Builders needing ECC error correction, registered buffering, or speeds other than 2666MHz should look elsewhere. Systems limited to lower DDR4 speeds or requiring 1.35V low-voltage modules cannot use this part. Buyers wanting higher capacities per slot must choose a different module.

CL19 Latency At 2666MHz Speed

The module runs at DDR4 2666MHz (PC4-21300) with a CAS latency of CL19. This timing is the key specification determining compatibility with your system's memory controller. Verify your laptop supports DDR4 2666MHz CL19 operation before purchasing, as mismatched speed or latency can prevent booting or cause instability. The 1Rx16 organisation is fixed for this 4GB density.

Helstu kostir

  • Boosts multitasking capacity with 4GB DDR4 2666MHz module
  • Fits standard laptop slots using 260-pin SODIMM form factor
  • Runs efficiently at 1.2V DDR4 standard voltage
  • Delivers responsive performance with CL19 CAS latency
  • Tested for reliable operation in AMD and Intel systems

Tæknilýsing

BrandA-Tech
Capacity4GB
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
Recommend UseAMD & Intel Compatible

Spurningar um þessa vöru

Does the 1.20V DDR4 2666MHz module run cool and quiet when the laptop is under load all day?

The SODIMM operates at the standard 1.20V DDR4 voltage with no active cooling required, so it adds minimal heat and makes no noise during continuous use.

What must my laptop already have for this 260-Pin DDR4 SO-DIMM to work?

Your system needs a free DDR4 SO-DIMM slot that accepts 260-Pin modules and supports 2666MHz (PC4-21300) memory.

Will this CL19 2666MHz stick work alongside the slower DDR4 module I already have installed?

If the existing module is also DDR4, the system will run both at the speed of the slower stick and at the looser timing of the two.

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