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

Crucial

Crucial CT51264BF160B 4GB SO-DIMM DDR3L 1600 laptop RAM

SKU CH-XFRB-9SVVQ MPN CT51264BF160B

4GB SO-DIMM DDR3L 1600 laptop memory running at 1.35V with CL11 latency

  • Total capacity4 GB
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeUnbuffered
  • Product typeSO-DIMM
  • 4 GB capacity adds headroom for everyday multitasking
  • DDR3L 1600 speed keeps data moving at PC3L 12800 rates
  • CL11 latency reduces wait cycles during memory access
  • 35 V low voltage lowers power draw in compatible laptops
  • Unbuffered non-ECC design fits standard consumer SO-DIMM slots

4 GB SO-DIMM DDR3L 1600 for Laptops

This 4 GB module uses the SO-DIMM form factor and runs at 1600 MT/s with CL11 latency. It operates at 1.35 V and is unbuffered without ECC. Suitable for compatible laptop memory slots.

Who This Suits and Who Should Look Elsewhere

Suitable for owners of laptops that accept DDR3L SO-DIMM modules at this speed and voltage. Not for buyers who need a higher capacity module, registered memory, ECC support, or a different memory generation.

Deciding Specification — DDR3L 1.35 V

The 1.35 V operating voltage identifies this as a DDR3L part, which is the single specification that determines whether it fits the slot and works with the system memory controller.

How it compares

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

Price $17.99
Cheaper than about 90% of the 2,079 comparable items (median $70.99).
Total capacity 4 GB
Lower than about 80% of the 1,886 comparable items (median 16 GB).
Price per GB $4.50 per GB
Cheaper than about 75% 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 nameCT51264BF160B
Total capacity4 GB
Product typeSO-DIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Memory
CAS latencyCL11
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.35 V

Questions about this item

How do I install the CT51264BF160B SO-DIMM and which step do people often miss?

Align the notch on the module with the slot key, insert at an angle, then press down firmly until both side clips click; the step people miss is pushing until both clips engage fully.

What maintenance or replacement will the CT51264BF160B need later?

No scheduled maintenance is required; if errors appear, run a memory diagnostic and replace the module if it fails testing.

What limit appears first on the CT51264BF160B during sustained heavy use?

The 4 GB capacity is the first bottleneck; once the workload exceeds available memory the system will swap to storage, slowing performance.

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