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Two black DDR5 SO-DIMM modules with heat spreaders

Corsair

Corsair Vengeance CMSX16GX5M2A4800C40 16GB (2 x 8GB) DDR5 4800 CL40 laptop RAM

SKU CH-CW93-WWGJK MPN CMSX16GX5M2A4800C40

A 16 GB DDR5 SO-DIMM kit running at 4800 MT/s with CL40 timing and a heat spreader

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR5 4800 (PC4 38400)
  • CAS latencyCL40
  • Memory timings40-40-40-77
  • Rated voltage1.1 V
  • Recommended for12th Gen and newer Intel Core Laptops & NUC AMD Ryzen PRO 60

Capacity 16GB (2 x 8GB)

Speed DDR5 4800 (PC4 38400)

CAS Latency CL40

  • 16 GB dual-channel kit doubles laptop memory bandwidth
  • DDR5 4800 MT/s speed accelerates gaming and heavy workloads
  • CL40 40-40-40-77 timings deliver responsive multitasking
  • 10 V operation reduces power draw and heat
  • 262-pin SO-DIMM with heat spreader fits Intel 12th Gen and AMD Ryzen PRO 6000 laptops

Corsair Vengeance 16GB DDR5 SO-DIMM kit

This Corsair Vengeance kit supplies 16GB of DDR5 laptop memory as two 8GB modules. The 262-pin SO-DIMM format fits compatible Intel Core 12th Gen and newer laptops, NUCs, and AMD Ryzen PRO 6000 series machines. A built-in heat spreader helps manage thermals during sustained workloads.

Suits DDR5 laptop upgrades.

Owners of supported Intel or AMD DDR5 laptops and small-form-factor PCs can install this kit with only a screwdriver. The modules automatically run at their rated speed on compatible systems without BIOS changes. Systems that require a different memory generation, pin count, or voltage will not accept these modules.

4800 MT/s speed with CL40 latency

The decisive specification is the DDR5 4800 (PC4 38400) rating paired with CAS latency 40 and 40-40-40-77 timings at 1.10V. This combination determines whether the memory matches your platform's supported data rate and latency window. Verify your laptop's qualified vendor list against these exact figures before purchasing.

How it compares

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

Price $183.99
Pricier than about 76% of the 2,079 comparable items (median $70.99).
Total capacity 16 GB (2 × 8 GB)
Typical for this category: the median of 1,886 items is 16 GB.
Price per GB $11.50 per GB
Pricier than about 86% of the 1,886 comparable items (median $5.94 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameCORSAIR
Product lineVengeance
Model nameCMSX16GX5M2A4800C40
Total capacity16 GB (2 × 8 GB)
Product type262-Pin DDR5 SO-DIMM
Performance
Rated speedDDR5 4800 (PC4 38400)
Memory
CAS latencyCL40
Memory timings40-40-40-77
Heat spreaderYes
Power
Rated voltage1.1 V
Size & build
Shipping weight0.05 kg
Package size132 × 79 × 13 mm
Compatibility
Recommended for12th Gen and newer Intel Core Laptops & NUC
AMD Ryzen PRO 6000 Series Laptops

Other versions of this model

5 more in the same range

Questions about this item

Will the CL40 latency become a bottleneck during long gaming sessions?

CL40 is the rated CAS latency for these DDR5 4800 modules; sustained gaming workloads run at this timing without additional latency penalties.

Does the 1.10V voltage keep thermals manageable in a compact laptop chassis?

The 1.10V operating voltage is standard for DDR5 SO-DIMMs and reduces power draw compared to previous generations, helping thermals in thin laptops.

My laptop has 262-pin DDR5 slots — is a screwdriver the only tool needed for installation?

Yes, the 262-pin DDR5 SO-DIMM form factor fits standard slots and the manufacturer notes a screwdriver is typically the only tool required.

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