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Two green DDR5 SO-DIMM sticks with black chips

Crucial

Crucial CT2K16G48C40S5 32GB (2 x 16GB) DDR5 4800 laptop RAM

SKU CH-QXBQ-K306Z MPN CT2K16G48C40S5

32 GB dual-channel DDR5 SO-DIMM kit running at 4800 MT/s with CL40 latency

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR5 4800 (PC4 38400)
  • CAS latencyCL40
  • Memory timings40-39-39
  • Rated voltage1.1 V
  • Buffer typeUnbuffered

Capacity 32GB (2 x 16GB)

Speed DDR5 4800 (PC4 38400)

CAS Latency CL40

  • Dual 16 GB modules deliver 32 GB total capacity
  • DDR5 4800 speed provides PC5-38400 bandwidth for 12th Gen Intel Core laptops
  • CL40 CAS latency with 40-39-39 timing supports responsive multitasking
  • 10 V operation reduces power draw compared to DDR4
  • 262-pin SO-DIMM form factor fits DDR5-only laptop slots

32GB DDR5 SO-DIMM kit for 12th Gen Intel laptops

This 32GB kit contains two 16GB 262-pin DDR5 SO-DIMMs rated at 4800 MT/s with CL40 timing and 1.10V operation. It is built for laptops that support DDR5 memory and 12th Gen Intel Core processors. The modules are unbuffered and non-ECC.

262-pin DDR5 form factor fits compatible laptop

The SO-DIMM design matches the standard 262-pin DDR5 socket found in enabled laptops. Installation follows the usual slot alignment and retention clips. The 1.10V voltage is standard for DDR5 and draws less power than previous generations. No heatsinks are included on these modules.

Replaces DDR4 or lower-capacity DDR5

The jump is worthwhile when moving from a DDR4 system to a DDR5-capable laptop or when expanding from 16GB to 32GB on a supported board. It will not work in DDR4-only laptops because the key notch and signalling differ. Buyers who need ECC or registered memory should look elsewhere.

How it compares

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

Price $290.99
Pricier than about 85% of the 2,079 comparable items (median $70.99).
Total capacity 32 GB (2 × 16 GB)
Higher than about 80% of the 1,886 comparable items (median 16 GB).
Price per GB $9.09 per GB
Pricier than about 75% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameCrucial
Model nameCT2K16G48C40S5
Total capacity32 GB (2 × 16 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 weight0.03 kg
Package size133 × 89 × 6 mm

Other versions of this model

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Questions about this item

What speed does the DDR5 4800 rating actually cap at in a laptop?

The modules run at 4800 MT/s, delivering PC5-38400 bandwidth when the laptop memory controller supports that speed.

What slot and pin count do these 262-pin SO-DIMMs need to fit?

They require a standard DDR5 SO-DIMM socket with 262 pins; DDR4 sockets are physically different and will not accept them.

How are the two 16 GB sticks installed, and what step do people often miss?

Insert each stick at an angle into the SO-DIMM slot until the gold contacts are hidden, then press down firmly until both side clips click — skipping the click leaves the module loose.

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