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Two black DDR5 SO-DIMM sticks with silver heatspreaders

Corsair

Corsair CMSX64GX5M2A4800C40 Vengeance 64GB (2x32GB) DDR5 4800 CL40 laptop RAM

SKU CH-P615-636V8 MPN CMSX64GX5M2A4800C40

DDR5 SO-DIMM kit with two 32 GB modules running at 4800 MT/s CL40 for laptop upgrades

  • Capacity64GB (2 x 32GB)
  • Type262-Pin DDR5 SO-DIMM
  • SpeedDDR5 4800 (PC4 38400)
  • CAS LatencyCL40
  • Timing40-40-40-77
  • Voltage1.10V

Capacity 64GB (2 x 32GB)

Speed DDR5 4800 (PC4 38400)

CAS Latency CL40

  • 64 GB dual-channel kit handles heavy multitasking and large workloads
  • DDR5 4800 speed with CL40 latency reduces load times and boosts responsiveness
  • 10 V operation lowers power draw compared to previous DDR generations
  • 262-pin SO-DIMM form factor fits most Intel and AMD laptops and NUCs
  • XMP 3.0 support enables automatic maximum speed on compatible systems

64GB Dual-Channel DDR5 SO-DIMM Kit

This Corsair Vengeance kit provides 64GB of DDR5 memory across two 32GB modules using the 262-pin SO-DIMM form factor. It operates at 4800 MT/s with CL40 timings of 40-40-40-77 at 1.10V.

Suits High-Capacity DDR5 Laptop Upgrades

The 64GB capacity targets users running memory-intensive workloads, virtual machines or heavy multitasking on compatible Intel and AMD laptops, NUCs or small-form-factor PCs. Builders limited to a single SO-DIMM slot or a lower maximum memory ceiling should verify platform support before purchasing.

CL40 Latency at DDR5 4800

The decisive specification is the CAS latency of 40 at the rated 4800 MT/s speed with 40-40-40-77 timings. Systems that cannot run DDR5 at this frequency or latency will not achieve the rated performance.

Highlights

  • 64 GB dual-channel kit handles heavy multitasking and large workloads
  • DDR5 4800 speed with CL40 latency reduces load times and boosts responsiveness
  • 10 V operation lowers power draw compared to previous DDR generations
  • 262-pin SO-DIMM form factor fits most Intel and AMD laptops and NUCs
  • XMP 3.0 support enables automatic maximum speed on compatible systems

Specifications

BrandCORSAIR
SeriesVengeance
ModelCMSX64GX5M2A4800C40
Capacity64GB (2 x 32GB)
Type262-Pin DDR5 SO-DIMM
SpeedDDR5 4800 (PC4 38400)
CAS LatencyCL40
Timing40-40-40-77
Voltage1.10V
Shipping weight0.05 kg
Package size127 × 76 × 13 mm

Other versions of this model

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Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will the 262-pin DDR5 SO-DIMM modules need replacement if my laptop only supports lower speeds?

The modules automatically run at the maximum speed the laptop allows, so they work at lower speeds without needing replacement.

What limit appears first when the 64GB kit runs at 4800 MT/s continuously?

The CL40 latency and 1.10V voltage are the fixed operating parameters that define sustained performance.

How much heat or noise does the 1.10V DDR5 kit produce during all-day use?

The low 1.10V operating voltage keeps power draw and heat minimal, and the modules have no moving parts to create noise.

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