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Green rectangular laptop memory module with gold edge connectors

Black Diamond Memory

Black Diamond Memory BD32G2666MQN28 32GB DDR4 2666 CL19 laptop RAM

SKU CH-30FP-ASVGC MPN BD32G2666MQN28

32GB DDR4 2666 SO-DIMM laptop memory with CL19 latency for notebook upgrades

  • Total capacity32 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Product type260-Pin DDR4 SO-DIMM
  • Key featuresWith decades of experience specializing in memory and server

Capacity 32GB

  • 32 GB capacity supports heavy multitasking
  • DDR4 2666 speed delivers responsive performance
  • CL19 latency ensures efficient data access
  • 260-pin SO-DIMM fits standard laptop slots
  • Black Diamond Memory backs 200000+ system configurations

32 GB DDR4 SO-DIMM for notebooks

This module delivers 32 GB of DDR4 2666 memory in a 260-pin SO-DIMM form factor. It targets laptop owners and system integrators who need a single high-capacity stick for compatible notebook platforms.

CL19 latency and PC4 21300 rating

The CAS latency of 19 and the PC4 21300 speed grade define the module’s timing and bandwidth envelope. These specifications determine how the memory behaves in supported systems without requiring additional configuration software or bundled utilities.

Straightforward slot installation

Installation consists of aligning the 260-pin edge connector with the notebook’s SO-DIMM slot and pressing until the retention clips engage. Compatibility depends on the specific notebook’s memory controller and BIOS; systems that do not support DDR4 2666 or 32 GB single-rank modules will not recognise the memory.

How it compares

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

Price $174.99
Pricier than about 75% of the 2,079 comparable items (median $70.99).
Total capacity 32 GB
Higher than about 80% of the 1,886 comparable items (median 16 GB).
Price per GB $5.47 per GB
Cheaper than about 57% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameBlack Diamond Memory
Model nameBD32G2666MQN28
Total capacity32 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
Size & build
Shipping weight0.09 kg
Package size178 × 102 × 51 mm

Other versions of this model

5 more in the same range

Questions about this item

Will the 260-pin DDR4 SO-DIMM connector on this 32GB module wear out and need replacement?

The 260-pin DDR4 SO-DIMM edge connector is a passive gold-plated interface rated for the life of the laptop; no scheduled replacement is required.

Does the CL19 latency at DDR4 2666 become the bottleneck during long rendering sessions?

CL19 at 2666 MT/s sets the access latency floor; sustained workloads are limited by this timing rather than the PC4-21300 bandwidth ceiling.

How much extra heat does a 32GB DDR4 2666 stick add when the laptop runs all day?

Standard DDR4 2666 SO-DIMMs operate at low voltage and add only modest heat; the module itself has no active cooling and relies on the chassis airflow.

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