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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

  • Capacity32GB (2 x 16GB)
  • Type262-Pin DDR5 SO-DIMM
  • SpeedDDR5 4800 (PC4 38400)
  • CAS LatencyCL40
  • Timing40-39-39
  • Voltage1.10V

Capacity 32GB (2 x 16GB)

Struck-through versions exist but are not stocked here.

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.

Highlights

  • 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

Specifications

BrandCrucial
ModelCT2K16G48C40S5
Capacity32GB (2 x 16GB)
Type262-Pin DDR5 SO-DIMM
SpeedDDR5 4800 (PC4 38400)
CAS LatencyCL40
Timing40-39-39
Voltage1.10V
ECCNo
Buffered/RegisteredUnbuffered
FeaturesUnlock the potential of your 12th Gen Intel Core laptop processors
Harness blazing speeds and massive memory bandwidth
Game at higher frame rates, run demanding software, and power through heavy workloads
Compatible only with DDR5-enabled laptop, not DDR4-enabled laptops
ECC type = non-ECC, form factor = SODIMM, pin count = 262-pin, PC speed = PC5-38400, voltage = 1.1V, rank and configuration = 1Rx8
Shipping weight0.03 kg
Package size133 × 89 × 6 mm

Other versions of this model

5 more in the same range

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

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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