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Green rectangular SO-DIMM module with black memory chips and gold edge connectors

Crucial

Crucial CT16G48C40S5 16GB DDR5 4800 CL40 laptop RAM

SKU CH-6P5V-3YZCA MPN CT16G48C40S5

16 GB DDR5 SO-DIMM running at 4800 MT/s with CL40 latency for compatible laptops

  • Total capacity16 GB
  • Rated speedDDR5 4800 (PC4 38400)
  • CAS latencyCL40
  • Memory timings40-39-39
  • Rated voltage1.1 V
  • Buffer typeUnbuffered

Capacity 16GB

Speed DDR5 4800 (PC4 38400)

CAS Latency CL40

  • 16 GB capacity handles heavy workloads and multitasking
  • DDR5 4800 speed delivers high bandwidth for demanding applications
  • CL40 latency with 40-39-39 timings supports responsive performance
  • 10 V operation reduces power draw compared to previous DDR generations
  • 262-pin SO-DIMM form factor fits compatible DDR5 laptop slots

16GB DDR5 4800 SO-DIMM

This 16GB DDR5 module runs at 4800 MT/s with CL40 timings and 1.10V operation. It uses the 262-pin SO-DIMM form factor for laptop memory slots. The unbuffered, non-ECC design targets mainstream mobile platforms.

Check DDR5 slot and voltage

Verify that your laptop supports DDR5 memory and accepts 262-pin SO-DIMM modules. DDR4-only systems cannot use this module. Confirm the platform operates at 1.10V and does not require registered or ECC memory.

Upgrade from DDR4 or lower capacity

Replaces a DDR4 SO-DIMM when moving to a DDR5-capable laptop, or adds 16GB to a single-slot system. The jump is worthwhile when the platform supports DDR5 4800 and the workload benefits from higher bandwidth.

How it compares

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

Price $31.99
Cheaper than about 72% of the 2,079 comparable items (median $70.99).
Total capacity 16 GB
Typical for this category: the median of 1,886 items is 16 GB.
Price per GB $2.00 per GB
Cheaper than about 96% 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 nameCrucial
Model nameCT16G48C40S5
Total capacity16 GB
Product type262-Pin DDR5 SO-DIMM
Performance
Rated speedDDR5 4800 (PC4 38400)
Memory
CAS latencyCL40
Memory timings40-39-39
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.1 V
Size & build
Shipping weight0.20 kg
Package size107 × 55 × 6 mm

Other versions of this model

5 more in the same range

Questions about this item

What comes in the box and do I need anything else to install this 262-pin DDR5 SO-DIMM?

The box contains the 16GB DDR5 4800 CL40 module only; no tools or extra parts are required for a standard laptop SO-DIMM slot.

Should I pick the 16GB CL40 version or a different capacity for my DDR5 laptop?

This specific model is 16GB with CL40 timing at 1.10V; other capacities or latencies would be different part numbers.

What does the 4800 speed rating mean once the module is running in my laptop?

It runs at DDR5 4800 (PC5-38400) with 40-39-39 timings at 1.10V on any DDR5-enabled laptop that supports this speed.

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