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Green circuit board laptop memory module with black chips and gold contacts

Patriot Memory

Patriot Memory PSD48G266681S 8GB DDR4 2666 laptop RAM

SKU CH-Q7GT-Z1GGA MPN PSD48G266681S

An 8 GB DDR4 260-pin SO-DIMM at 2666 MHz (PC4-21300) with CL19 timing and 1.2 V power

  • Capacity8GB
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19-43
  • Voltage1.20V
  • 8GB capacity boosts multitasking headroom for everyday notebooks
  • DDR4 2666 speed raises data throughput to PC4-21300 levels
  • CL19 latency keeps response tight at rated frequency
  • 20V operation reduces power draw and heat output
  • 260-pin SO-DIMM form factor fits standard laptop slots

8GB DDR4 SO-DIMM for notebooks

This Patriot Signature Line module adds 8GB of DDR4 memory to a laptop that accepts 260-pin SO-DIMMs. It runs at 2666MHz with a CAS latency of 19 and operates at the standard 1.20V. The unbuffered, non-ECC design matches the requirements of most consumer notebooks.

Suits owners upgrading a compatible laptop.

The 260-pin form factor fits only laptop sockets, so desktop builders cannot use it. Systems that require ECC or registered modules are also not supported. Buyers who need more than 8GB per slot should look at higher-capacity sticks instead.

Deciding spec: 260-pin DDR4 SO-DIMM at 2666MHz

The module must physically match a 260-pin DDR4 SO-DIMM slot and the platform must support 2666MHz DDR4 operation. If the laptop uses a different pin count, a different DDR generation or cannot run at this speed, the memory will not fit or will not work correctly.

Highlights

  • 8GB capacity boosts multitasking headroom for everyday notebooks
  • DDR4 2666 speed raises data throughput to PC4-21300 levels
  • CL19 latency keeps response tight at rated frequency
  • 20V operation reduces power draw and heat output
  • 260-pin SO-DIMM form factor fits standard laptop slots

Specifications

BrandPatriot
SeriesSignature Line
ModelPSD48G266681S
Capacity8GB
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Timing19-19-19-43
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
FeaturesPatriot Memory's Signature Line DDR4 SODIMM memory delivers the quality, reliability and performance expected for today's notebook needs. This 8GB module is designed to run at 2666MHz (PC4-21300) at CAS 19 latency timings. Built using specific build-of-materials (BOMs) we ensure that every module meets and exceeds industry standards: offering you a hassle-free upgrade. We certify every component that goes into our modules, including the modules themselves, which must pass strict standards to ensure compatibility, quality and reliability.
Shipping weight0.02 kg
Package size149 × 52 × 17 mm

Questions about this item

What is the CAS latency limit that appears first under sustained use?

The module runs at CL19 with 19-19-19-43 timings, so the CAS latency limit is 19 cycles.

How much heat or power does it draw when running all day?

It operates at 1.20V standard DDR4 voltage, keeping power draw and heat low for typical laptop workloads.

What must the laptop already have for this 260-pin DDR4 SO-DIMM to work?

The laptop needs a free DDR4 SO-DIMM slot that supports 2666MHz (PC4-21300) unbuffered non-ECC memory.

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