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Green rectangular laptop memory module with black chips and gold edge connectors

Crucial

Crucial CT12864X335 1GB 200-Pin DDR SO-DIMM DDR 333 laptop RAM

SKU CH-VZS4-8B8VC MPN CT12864X335

A 1 GB DDR 333 laptop module with a 200-pin SO-DIMM form factor and CL2.5 latency

  • Total capacity1 GB
  • Rated speedDDR 333 (PC 2700)
  • CAS latencyCL2.5
  • Rated voltage2.5 V
  • Buffer typeUnbuffered
  • Product type200-Pin DDR SO-DIMM
  • 1GB capacity adds responsive multitasking headroom
  • DDR 333 (PC 2700) speed matches legacy laptop specs
  • CL2.5 latency tightens memory response times
  • 50V operation suits original DDR platform voltage
  • 200-pin SO-DIMM form factor fits compatible DDR slots

Suitable legacy upgrade

This 1 GB DDR SO-DIMM fits 200-pin laptop slots that require PC 2700 speed. It targets owners of older notebooks needing a direct memory replacement without BIOS complications.

Sustained operation profile

Unbuffered construction and 2.50 V operation keep electrical load predictable during long sessions. CL2.5 latency remains stable because the module lacks ECC overhead or registered buffering that could introduce variability.

DDR 333 interface ceiling

The PC 2700 standard caps throughput at the rated 333 MT/s, so bandwidth cannot exceed this limit regardless of system capability. Builders needing higher density or faster transfers must select a different memory generation.

How it compares

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

Price $35.99
Cheaper than about 68% of the 2,079 comparable items (median $70.99).
Total capacity 1 GB
Lower than about 98% of the 1,886 comparable items (median 16 GB).
Price per GB $35.99 per GB
Pricier than about 91% 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 nameCT12864 × 335
Total capacity1 GB
Product type200-Pin DDR SO-DIMM
Performance
Rated speedDDR 333 (PC 2700)
Memory
CAS latencyCL2.5
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage2.5 V

Questions about this item

How much power does the 1GB DDR 333 module draw at its rated 2.50V during all-day use?

The module runs at 2.50V unbuffered without a heat spreader, so power draw stays low for a 1GB stick.

What must my laptop already have to accept this CT12864X335 stick?

A free 200-pin DDR SO-DIMM slot and a motherboard that supports DDR 333 (PC 2700) at CL2.5.

Will this CL2.5 333 MHz module slow down if paired with older CL3 memory?

The system will run all modules at the slowest speed and loosest latency present.

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