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Two black DDR4 SO-DIMM sticks with silver labels

Kingston Technology Corp.

Kingston Technology Corp. KF432S20IBK2/64 64GB (2×32GB) DDR4 3200 laptop RAM

SKU CH-JY47-J8KBK MPN KF432S20IBK2/64

A 64GB dual-channel kit of two 32GB DDR4 3200 SO-DIMM modules at CL20 and 1.20V

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL20
  • Memory timings20-22-22
  • Rated voltage1.2 V
  • Kit configurationDual Channel Kit
  • 64GB total capacity for demanding multitasking workloads
  • DDR4 3200 speed delivers high bandwidth performance
  • CL20 latency supports responsive system operation
  • 20V operation reduces power consumption
  • Dual-channel kit enables matched pair performance

Kingston Impact 64GB DDR4-3200 SO-DIMM Kit

This kit provides 64GB of DDR4 laptop memory across two 32GB modules running at 3200 MT/s with CL20 timings. It uses the standard 260-pin SO-DIMM form factor and operates at 1.20V. The dual-channel configuration is designed for compatible notebooks and mobile workstations that support this capacity and speed.

Suits users upgrading a laptop to 64GB

It fits systems that accept 260-pin DDR4 SO-DIMMs and can utilise a dual-channel kit at 3200 MT/s with CL20 latency. Not for devices limited to lower maximum memory capacities, machines with only a single memory slot, or platforms requiring a different DDR generation or form factor.

64GB dual-channel capacity at DDR4-3200 CL20

The decisive specification is the 64GB total capacity delivered as a matched pair of 32GB modules at 3200 MT/s with CL20 timings. Verify that the laptop supports this total capacity, speed, and 260-pin DDR4 SO-DIMM format before purchase.

How it compares

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

Price $793.99
Pricier than about 91% 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 $12.41 per GB
Pricier than about 90% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameKingston
Product lineImpact
Model nameKF432S20IBK2/64
Total capacity64 GB (2 × 32 GB)
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL20
Memory timings20-22-22
Kit configurationDual Channel Kit
Power
Rated voltage1.2 V
Size & build
Shipping weight0.05 kg
Package size142 × 95 × 13 mm

Questions about this item

Should I choose the 64GB kit or a smaller capacity for my laptop?

This kit provides 64GB total as two 32GB modules. Choose it if your laptop supports 64GB and you need maximum capacity for heavy workloads.

What does the DDR4 3200 speed rating mean once installed?

The modules run at 3200 MT/s with CL20 timing and 1.20V. Actual speed depends on your laptop's memory controller and BIOS settings.

Does the 260-pin SO-DIMM interface limit performance in any way?

The 260-pin DDR4 SO-DIMM form factor is standard for laptops. It supports the rated 3200 speed and dual-channel operation when both modules are installed.

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