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Two black DDR4 SO-DIMM modules with heat spreaders

HP

HP HX432S20IBK2/32 32GB (2 x 16GB) DDR4 3200 CL20 laptop RAM

SKU CH-4WQ1-981NQ MPN HX432S20IBK2/32

A 32 GB DDR4 SO-DIMM kit running at 3200 MT/s with CL20 latency and 1.20 V operation

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL20
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • VariantBlack
  • 32 GB total capacity for demanding multitasking with 2 x 16 GB modules
  • DDR4 3200 speed delivers fast data transfer at PC4-25600 bandwidth
  • CL20 CAS latency keeps response times low for smooth performance
  • Low 1.20 V operation reduces power draw and heat in laptops
  • Black heat spreader helps dissipate heat during sustained workloads

Capacity and kit layout

This HyperX Impact kit supplies 32GB of DDR4 memory in two 16GB SO-DIMM modules. The 260-pin form factor fits standard laptop slots. Unbuffered operation suits mainstream mobile platforms. A black heat spreader is included on each stick.

Speed headroom and limits

Rated at DDR4 3200 (PC4 25600) with CL20 latency, the modules run at 1.20V. The combination delivers responsive multitasking and smooth application switching within the JEDEC envelope. Workloads demanding higher frequencies or tighter timings will exceed the rated specification.

Deciding specification

The 260-pin DDR4 SO-DIMM interface is the single detail that determines fitment. Systems requiring a different pin count, voltage or memory generation cannot use this kit.

How it compares

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

Price $179.99
Pricier than about 75% 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 $5.62 per GB
Cheaper than about 55% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameHyperX
Product lineImpact
Model nameHX432S20IBK2/32
Total capacity32 GB (2 × 16 GB)
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL20
Buffer typeUnbuffered
Heat spreaderYes
Power
Rated voltage1.2 V
More details
VariantBlack

Questions about this item

Will the 3200 MHz CL20 modules operate at their rated speed when paired with older DDR4 SO-DIMMs that run at lower frequencies?

The kit is rated at 3200 MHz with CL20 latency at 1.20 V. When mixed with slower DDR4 modules, the system will typically run all memory at the lowest common speed and loosest timings.

How can I verify the 32 GB kit is running at 3200 MHz and CL20 after installation?

Open Task Manager or a tool such as CPU-Z and confirm the memory frequency reads 3200 MT/s and the CAS latency shows 20 clocks.

What comes in the box and is anything else required for installation?

The package contains two 16 GB 260-pin DDR4 SO-DIMM modules with black heat spreaders. No extra cables, brackets or tools are included; a compatible laptop SO-DIMM slot and a small screwdriver are all that are needed.

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