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PNY Performance MN16GSD42666 16GB DDR4 2666MHz SO-DIMM Laptop Memory
PNY

PNY Performance MN16GSD42666

Expert rating7 / 10

Capacity:
16GB
Speed:
2666MT/s
CAS Latency:
CL19
Form Factor:
SO-DIMM

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Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.

Manufacturer: PNY Last updated: 2026-09-12

Where to buy

PNY Performance MN16GSD42666 (16GB DDR4-2666 SODIMM/CL19/Laptop Memory/Non-ECC) Review

If your laptop takes a single-stick DDR4-2666 SODIMM upgrade and you're checking PNY's notebook memory lineup, the MN16GSD42666 is a plain 16GB non-ECC module built for exactly that.

There's no RGB, no heatsink, nothing fancy here, it's a bare laptop memory stick rated at JEDEC-standard 2666MT/s CL19 that's compatible down to 2400 and 2133MHz for older platforms too. Buy this when you just need to add or replace laptop RAM and don't want to overpay for gaming-branded packaging.

Compatibility Notes

This runs at whatever speed your laptop's memory controller supports up to 2666MT/s; it downclocks cleanly to 2400 or 2133MHz on older Intel 8th/9th-gen or early Ryzen mobile platforms without compatibility issues.

Comparison to Alternatives

Against the Kingston FURY Impact KF432S20IBK2/32 kit (which targets DDR4-3200 in a matched 2x16GB gaming kit), the PNY module is a single-stick, lower-clocked, cheaper option for anyone upgrading an older laptop rather than building a high-refresh gaming laptop rig. If your laptop actually supports 3200MHz, the Kingston kit is the better performance pick.

Specifications

Identity

BrandPNY
Part NumberMN16GSD42666
SeriesPerformance

Memory

DDR GenerationDDR4
Capacity16 GB
Speed2666MT/s (PC4-21300)
CAS Latency19
Module Count1
Voltage1.2 V

Physical

Form FactorSO-DIMM
RGB LightingNo

Module and platform

RAM SegmentLaptop SODIMM

Capacity

Capacity Per Module16 GB

Speed and timings

True Latency14.3 ns

Silicon

ECCNo

Physical and lighting

ColourBlack

Commercial

WarrantyLimited Lifetime
Model NumberMN16GSD42666
Spec Score2.8

Expert Review

Reviewed by Burooj Alam. Rated by us, not by users.

Expert rating7 / 10

A no-frills, reliable laptop RAM upgrade at a fair price, but skip it if your laptop can actually run faster DDR4-3200.

Best for

  • Basic laptop RAM upgrades on older Intel/AMD mobile platforms
  • Budget single-stick capacity additions
  • Users who don't need RGB or gaming branding

Not for

  • Laptops that support DDR4-3200 or faster (you're leaving performance on the table)
  • Desktop builds (wrong form factor)
  • Dual-channel matched-kit requirements

FAQs

What are the key specifications of the PNY Performance MN16GSD42666 (16GB DDR4-2666 SODIMM/CL19/Laptop Memory/Non-ECC)?

The PNY Performance MN16GSD42666 (16GB DDR4-2666 SODIMM/CL19/Laptop Memory/Non-ECC) is a memory kit from PNY. Key specs: DDR Generation DDR4, Capacity 16GB, Module Count 1, Speed 2666MT/s (PC4-21300), CAS Latency 19.

Will the PNY Performance MN16GSD42666 (16GB DDR4-2666 SODIMM/CL19/Laptop Memory/Non-ECC) work with my current setup?

The PNY Performance MN16GSD42666 (16GB DDR4-2666 SODIMM/CL19/Laptop Memory/Non-ECC) lists DDR Generation is DDR4. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits. Our upgrade checker at /upgrade can confirm compatibility for common combinations.

Who is the PNY Performance MN16GSD42666 (16GB DDR4-2666 SODIMM/CL19/Laptop Memory/Non-ECC) best suited to?

It suits basic laptop ram upgrades on older intel/amd mobile platforms, budget single-stick capacity additions, users who don't need rgb or gaming branding.

What are the drawbacks of the PNY Performance MN16GSD42666 (16GB DDR4-2666 SODIMM/CL19/Laptop Memory/Non-ECC)?

It is a poor fit for laptops that support ddr4-3200 or faster (you're leaving performance on the table), desktop builds (wrong form factor), dual-channel matched-kit requirements.

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