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Two green rectangular SO-DIMM sticks with black chips and gold contacts

PNY Technologies, Inc.

PNY Technologies, Inc. MN64GK2D43200-TB 64GB (2 x 32GB) DDR4 3200 laptop RAM

SKU CH-M3WN-AAEXP MPN MN64GK2D43200-TB

64 GB kit of two 32 GB DDR4 3200 SO-DIMMs with CL22 latency and 1.20 V operation

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Product type260-Pin DDR4 SO-DIMM
  • 64 GB total capacity with two 32 GB modules
  • DDR4 3200 speed rated at PC4 25600 bandwidth
  • CL22 CAS latency for responsive memory access
  • 20 V operation reduces power draw and heat
  • 260-pin SO-DIMM form factor fits standard laptop slots

Capacity and fit

This kit provides 64GB of DDR4 memory in two 32GB SO-DIMM modules. It uses the 260-pin form factor required by laptops and compatible small-form-factor systems. The unbuffered, non-ECC design suits standard consumer notebooks rather than server or workstation platforms that demand registered or error-correcting memory.

Sustained operation

Rated at DDR4 3200 (PC4 25600) with CL22 latency, the modules run at 1.20V, a voltage level that helps limit heat during long workloads. Without a heat spreader, thermal performance relies on the notebook's internal airflow, so sustained throughput stays consistent when the chassis cooling is adequate for the memory subsystem.

Build and daily use

The bare green PCB keeps the modules low-profile, easing installation in tight slots where taller sticks would foul nearby components. Gold-edge contacts resist oxidation through repeated upgrades, and the matched pair supports dual-channel operation on platforms with two populated slots. Buyers needing ECC protection or registered buffering for mission-critical data should look elsewhere.

How it compares

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

Price $298.99
Pricier than about 85% of the 2,079 comparable items (median $70.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 91% of the 1,886 comparable items (median 16 GB).
Price per GB $4.67 per GB
Cheaper than about 72% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand namePNY
Model nameMN64GK2D43200-TB
Total capacity64 GB (2 × 32 GB)
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.2 V
Size & build
Shipping weight0.05 kg
Package size152 × 112 × 6 mm

Questions about this item

Does the 1.20V voltage and lack of a heat spreader mean the modules run cool during all-day workloads?

The DDR4 3200 modules operate at the standard 1.20V and have no heat spreader, so they rely on the laptop's internal airflow; typical SO-DIMM power draw at this voltage stays low enough for sustained use without extra cooling.

Must my notebook already have a free 260-pin DDR4 SO-DIMM slot and support 32GB per module for this kit to work?

Yes, the kit consists of two 260-pin DDR4 SO-DIMMs, so the system needs two compatible slots and a memory controller that can address 32GB per rank for the full 64GB to be recognised.

Will the CL22 timing match the latency of existing DDR4 3200 memory already installed in the laptop?

The modules run at CL22; if the installed memory also runs at CL22 they will operate in step, but if the existing sticks use a different CAS latency the system will typically default to the slower timing across all modules.

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