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

Crucial

Crucial CT64G56C46S5 64GB DDR5 5600 CL46 laptop RAM

SKU CH-E7SZ-PKA4N MPN CT64G56C46S5

A 64 GB DDR5 SO-DIMM running at 5600 MT/s with CL46 latency and 1.10 V operation

  • Total capacity64 GB
  • Rated speedDDR5 5600 (PC5 44800)
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Product type262-Pin DDR5 SO-DIMM

Capacity 64GB

Speed DDR5 5600 (PC5 44800)

CAS Latency CL46

  • 64 GB capacity enables heavy multitasking and large workloads
  • DDR5 5600 speed delivers high bandwidth for demanding applications
  • CL46 latency supports responsive performance at rated frequency
  • 10 V operation reduces power draw compared to previous DDR generations
  • 262-pin SO-DIMM form factor fits compatible laptop memory slots

64GB DDR5 5600 laptop module

This Crucial CT64G56C46S5 module brings 64 GB of DDR5 memory to a laptop SO-DIMM slot. It runs at 5600 MT/s with CL46 latency and 1.10 V. The 262-pin unbuffered design drops straight into compatible notebooks for immediate capacity gains.

Suits single-slot upgrades needing maximum density

Builders who need two modules for dual-channel bandwidth should look elsewhere, as this is a single 64 GB stick. Systems limited to 4800 or 5200 MT/s will downclock the module automatically. Buyers requiring ECC error correction must choose a different part.

5600 MT/s speed with CL46 timing

The module operates at DDR5 5600 (PC5 44800) with a CAS latency of 46 cycles. This speed and latency combination determines whether the memory matches your platform's supported specification and performance target.

How it compares

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

Price $501.99
Pricier than about 90% of the 2,079 comparable items (median $70.99).
Total capacity 64 GB
Higher than about 91% of the 1,886 comparable items (median 16 GB).
Price per GB $7.84 per GB
Pricier than about 69% 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 nameCT64G56C46S5
Part numberCT64G56C46S5
Total capacity64 GB
Product type262-Pin DDR5 SO-DIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Memory
CAS latencyCL46
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.1 V
Size & build
Shipping weight0.02 kg
Package size102 × 51 × 1 mm

Other versions of this model

5 more in the same range

Questions about this item

Does my laptop need a DDR5 262-pin SO-DIMM slot to use this 64GB module?

Yes, the module is a 262-pin DDR5 SO-DIMM, so the laptop must provide a DDR5 SO-DIMM socket.

Will this 5600MHz stick run at a lower speed if my system only supports 5200MHz or 4800MHz DDR5?

The 5600MHz module can downclock to 5200MHz or 4800MHz when the platform requires it.

How can I confirm the RAM is running at 5600MHz with CL46 timing after installation?

Check the memory speed and CAS latency in BIOS or a tool such as CPU-Z; they should show 5600MHz and CL46.

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