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Two green rectangular laptop memory modules with gold contacts and black chips

Crucial

Crucial CT2K32G4SFD832A 64GB (2×32GB) DDR4 3200 CL22 laptop RAM

SKU CH-2XRG-C8CYE MPN CT2K32G4SFD832A

A 64GB dual-channel DDR4 3200 kit with CL22 timing and 1.2V operation for laptop upgrades

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Memory timings22-22-22
  • Rated voltage1.2 V
  • Buffer typeUnbuffered

Capacity 64GB (2 x 32GB)

  • 64 GB kit doubles capacity for heavy multitasking
  • DDR4 3200 MT/s delivers up to 30% more bandwidth
  • CL22 timing keeps latency low for responsive apps
  • 2 V operation cuts power draw by up to 40%
  • Downclocks to 2933 or 2666 MT/s for broad laptop compatibility

64GB DDR4 3200 Kit for Laptops

This Crucial CT2K32G4SFD832A kit provides 64GB total capacity across two 32GB DDR4 SO-DIMM modules. It runs at 3200 MT/s with CL22 latency and operates at 1.20V. The unbuffered, non-ECC design suits standard laptop memory slots.

Ideal for DDR4 laptops supporting 32GB per slot

Users with compatible DDR4 systems that accept 260-pin SO-DIMMs can upgrade to 64GB for heavier multitasking. The modules downclock to 2933 MT/s or 2666 MT/s if the platform requires it. Laptops limited to 16GB per slot or requiring ECC or registered memory cannot use this kit.

260-pin DDR4 SO-DIMM form factor decides fit

The kit uses the 260-pin DDR4 SO-DIMM standard. Only laptops with DDR4 SO-DIMM slots that support 32GB density per module will recognise the full 64GB. Check the manual or the Crucial System Scanner before purchase.

How it compares

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

Price $415.99
Pricier than about 90% 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 $6.50 per GB
Pricier than about 56% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameCrucial
Model nameCT2K32G4SFD832A
Total capacity64 GB (2 × 32 GB)
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
Memory timings22-22-22
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.2 V
Size & build
Shipping weight0.03 kg
Package size99 × 88 × 9 mm

Other versions of this model

5 more in the same range

Questions about this item

Will the 260-pin DDR4 modules need any maintenance or replacement during the laptop's lifespan?

DDR4 SO-DIMMs have no moving parts and require no scheduled maintenance; they are designed to last the usable life of the laptop unless physical damage occurs.

What is the first limit reached under sustained heavy workloads with CL22 timing at 3200 MT/s?

The CAS latency of 22 cycles at 3200 MT/s sets the baseline response time; sustained throughput is capped by the 25600 MB/s PC4 bandwidth ceiling.

How much heat and power does the 1.20 V unbuffered kit produce when running all day?

Operating at 1.20 V without a heat spreader keeps power draw low and heat output minimal, helping extend battery life during extended sessions.

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