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Two black rectangular DDR4 SO-DIMM modules with gold edge connectors and a product label

Black Diamond Memory

Black Diamond Memory BD16GX22666MQN25 32GB (2 x 16GB) DDR4 2666 laptop RAM

SKU CH-6ZR4-A86R4 MPN BD16GX22666MQN25

A 32 GB DDR4 SO-DIMM kit running at 2666 MT/s with CL19 latency for responsive laptop multitasking

  • Total capacity32 GB (2 × 16 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 (2 x 16GB)

  • 32 GB dual-channel kit runs at DDR4 2666 for faster multitasking
  • Two 16 GB SO-DIMM modules provide 32 GB total capacity
  • CL19 latency keeps data access responsive under load
  • 260-pin DDR4 form factor fits standard laptop memory slots
  • Validated across 200 000 system configurations for broad compatibility

32 GB DDR4 SO-DIMM kit

This 32 GB kit contains two 16 GB DDR4 SO-DIMM modules that operate at 2666 MHz with a CAS latency of CL19. The 260-pin form factor fits standard laptop memory slots. It is built for notebooks that require DDR4 2666 (PC4 21300) memory.

Suits DDR4 2666 laptop upgrades

The kit serves owners of compatible notebooks who want 32 GB of memory running at the rated 2666 MHz speed with CL19 timing. Buyers whose systems need a different DDR generation, a different pin count, or a speed other than 2666 MHz cannot use this memory.

260-pin DDR4 2666 specification

The decisive specification is the 260-pin DDR4 2666 (PC4 21300) interface with CL19 latency. Only laptops that accept this exact module type and speed will recognise and run the kit correctly.

How it compares

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

Price $219.99
Pricier than about 81% of the 2,079 comparable items (median $70.99).
Total capacity 32 GB (2 × 16 GB)
Higher than about 80% of the 1,886 comparable items (median 16 GB).
Price per GB $6.87 per GB
Pricier than about 60% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameBlack Diamond Memory
Model nameBD16GX22666MQN25
Total capacity32 GB (2 × 16 GB)
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
Size & build
Shipping weight0.23 kg
Package size178 × 102 × 51 mm

Other versions of this model

5 more in the same range

Questions about this item

What type of memory slot must my laptop have to accept these 260-pin DDR4 SO-DIMM modules?

Your laptop needs a DDR4 SO-DIMM slot that accepts 260-pin modules, which is the standard physical interface for this memory type.

Will the CL19 latency of these modules match the timing of the DDR4 memory already installed in my system?

The kit runs at CL19. If your existing memory uses a different CAS latency, the system will typically default to the slower timing across all modules.

How can I verify the kit is running at DDR4 2666 (PC4 21300) after installation?

Open Task Manager or a tool like CPU-Z and confirm the memory speed reads 2666 MT/s and the total capacity shows 32 GB.

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