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Two black DDR5 SO-DIMM sticks side by side

Corsair

Corsair CMSX64GX5M2A5600C48 Vengeance 64GB (2 x 32GB) DDR5 5600 CL48 laptop RAM

SKU CH-YN59-QC3XC MPN CMSX64GX5M2A5600C48

64 GB dual-channel DDR5 SO-DIMM kit running at 5600 MT/s with CL48 latency and 1.10 V operation

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • CAS latencyCL48
  • Memory timings48-48-48-90
  • Rated voltage1.1 V
  • Kit configurationDual Channel Kit
  • 64 GB total capacity for demanding multitasking
  • DDR5 5600 speed for faster data throughput
  • CL48 latency with 48-48-48-90 timings
  • 10 V operation reduces power draw
  • Dual-channel 2 x 32 GB kit boosts bandwidth

64GB Dual-Channel DDR5 SO-DIMM Kit

This Corsair Vengeance kit delivers 64GB across two 32GB modules built to the 262-pin DDR5 SO-DIMM standard. Rated at 5600 MT/s with CL48 timings and 1.10V operation, it targets laptops and small-form-factor PCs that support DDR5 memory upgrades. Installation requires only a screwdriver on most compatible machines.

Suits DDR5 laptops needing maximum dual-channel

Buyers whose machines use a different pin layout or memory generation cannot install these modules. Systems limited to lower maximum capacities or single-channel configurations will not utilise the full kit. Laptops with soldered memory and no SO-DIMM slots are also incompatible.

5600 MT/s CL48 speed rating

The modules run at DDR5 5600 (PC5 44800) with 48-48-48-90 timings at 1.10V. If your platform caps memory speed below 5600 MT/s or requires different latency settings, the kit will downclock automatically but may not deliver the rated performance. Verify your system's supported DDR5 speed before purchase.

How it compares

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

Price $696.99
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 $10.89 per GB
Pricier than about 83% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameCORSAIR
Product lineVengeance
Model nameCMSX64GX5M2A5600C48
Total capacity64 GB (2 × 32 GB)
Product type262-Pin DDR5 SO-DIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Memory
CAS latencyCL48
Memory timings48-48-48-90
Kit configurationDual Channel Kit
Power
Rated voltage1.1 V
Size & build
Shipping weight0.02 kg
Package size127 × 76 × 13 mm

Questions about this item

Will the 262-pin DDR5 SO-DIMM modules need any firmware updates or re-seating over time?

The modules are rigorously screened and tested at the factory. No firmware updates are required. Re-seating is only needed if the laptop is physically moved or serviced.

At CL48 timing (48-48-48-90) and 1.10V, does sustained load hit a thermal or voltage throttle first?

The kit runs at the standard DDR5 5600 JEDEC voltage of 1.10V. Laptop SO-DIMMs have no onboard temperature sensors, so the platform manages any thermal limits through its own firmware.

How much heat or fan noise does the dual-channel 64GB kit add when the laptop runs all day?

DDR5 SO-DIMMs operate at 1.10V with no active cooling. Any extra heat is absorbed by the laptop chassis and handled by its existing fan curve; the modules themselves are silent.

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