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Green rectangular SODIMM module with black chips and gold contacts

Computer Memory Solutions

Computer Memory Solutions 16GB DDR4 2666MHz SODIMM CL19 2Rx8 memory upgrade

SKU CH-XV2H-JWFYV

16 GB DDR4 SODIMM running at 2666 MHz with CL19 timing and 1.2 V operation

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latency19
  • Memory timings19-19-19
  • Rated voltage1.2 V
  • 16 GB capacity lifts multitasking headroom for demanding workloads
  • DDR4 2666 MHz speed delivers responsive data throughput
  • CL19 timing keeps latency low for smooth operation
  • 2 V operation reduces power draw and heat output
  • 260-pin SODIMM fits compatible laptop and compact PC slots

16GB DDR4 2666MHz SODIMM Module

This 16GB DDR4 2666MHz SODIMM module provides a memory upgrade for compatible laptops or small form factor systems. It operates at 1.2V with a CAS latency of 19 and uses a 260-pin unbuffered non-ECC design. The single rank 2Rx8 configuration delivers 16GB total capacity in one piece.

Suitable for DDR4 SODIMM slots requiring 2666MHz

This module suits users upgrading a system that accepts DDR4 2666MHz SODIMM memory with CL19 timing. Builders needing ECC error correction, registered buffering, or a different voltage should look elsewhere. Systems limited to lower DDR4 speeds will downclock the module automatically.

Deciding specification: 260-pin DDR4 SODIMM form

The 260-pin DDR4 SODIMM form factor determines physical compatibility with the memory slot. Verify the target device uses DDR4 SODIMM slots before purchase. The module carries a limited lifetime warranty against manufacturing defects from Computer Memory Solutions.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $84.99
Cheaper than about 69% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
CAS latency 19
Lower than about 70% of the 483 comparable items (median 22).
Price per GB $5.31 per GB
Cheaper than about 73% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Part numberCM2048642666SO
Total capacity16 GB
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latency19
Memory timings19-19-19
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Power
Rated voltage1.2 V

Questions about this item

Does the 260-pin SODIMM fit my laptop's DDR4 slot?

Yes — the module uses the standard 260-pin DDR4 SODIMM form factor that matches any laptop or mini-PC slot built for DDR4 memory.

What is the correct way to seat the 1Rx8 module so the system recognises the full 16 GB?

Insert the stick at the keyed angle until the gold contacts disappear, then press down firmly until both side clips click into the notches; a partial seat is the most common reason the capacity does not appear.

Will the 1.2 V unbuffered stick need any firmware updates or battery replacement over time?

No — the module has no onboard firmware or battery; it is a passive DRAM device that requires no maintenance once correctly installed.

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