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Green circuit board with black memory chips and gold edge connector

Mushkin Enhanced

Mushkin Enhanced 991685 4GB 200-Pin DDR2 SO-DIMM 667 laptop RAM

SKU CH-DDBA-2QWAD MPN 991685

4GB DDR2 SO-DIMM runs at 667MHz with CL5 timing for responsive multitasking

  • Capacity4GB
  • Type200-Pin DDR2 SO-DIMM
  • SpeedDDR2 667 (PC2 5300)
  • CAS LatencyCL5
  • Timing5-5-5-15
  • Voltage1.80V

Capacity 4GB

  • 4GB capacity adds multitasking headroom for everyday workloads
  • DDR2 667 rated at 667MHz delivers up to 5.3GB/s bandwidth
  • CAS latency CL5 with 5-5-5-15 timings reduces access delay
  • 80V operation matches standard DDR2 SO-DIMM power requirements
  • 200-pin unbuffered module installs directly into compatible laptop slots

DDR2 667 SO-DIMM for older laptops

This 200-pin module adds 4GB of DDR2 memory to notebooks that accept PC2 5300 speeds. It suits users extending the life of a legacy system for everyday tasks. The unbuffered design works with standard laptop slots that support 1.80V operation.

Bandwidth capped at 5.3GB per channel

The DDR2 667 interface limits peak throughput to 5.3GB per channel regardless of other components. CAS latency of CL5 and 5-5-5-15 timings set the response floor for random access. No heat spreader is fitted, so sustained loads rely on chassis airflow alone.

4GB capacity handles light multitasking

A single 4GB stick covers web browsing, office applications and media playback on compatible hardware. Memory-heavy workloads such as virtualisation or modern gaming will exhaust the available space quickly. Systems limited to one SO-DIMM slot cannot expand beyond this module.

Points forts

  • 4GB capacity adds multitasking headroom for everyday workloads
  • DDR2 667 rated at 667MHz delivers up to 5.3GB/s bandwidth
  • CAS latency CL5 with 5-5-5-15 timings reduces access delay
  • 80V operation matches standard DDR2 SO-DIMM power requirements
  • 200-pin unbuffered module installs directly into compatible laptop slots

Caractéristiques

BrandMushkin Enhanced
SeriesEssentials
Model991685
Capacity4GB
Type200-Pin DDR2 SO-DIMM
SpeedDDR2 667 (PC2 5300)
CAS LatencyCL5
Timing5-5-5-15
Voltage1.80V
Buffered/RegisteredUnbuffered
Heat SpreaderNo
Poids d’expédition0.05 kg
Dimensions du colis159 × 133 × 19 mm

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Questions sur cet article

Should I choose the 4 GB DDR2 667 module or a different capacity for my laptop?

This listing is a single 4 GB DDR2 667 SO-DIMM. If your laptop has two slots and supports 4 GB per slot, adding a second identical module will give you 8 GB total.

What does the 667 MHz rating deliver in real use?

The module runs at 667 MHz with CL5 timing, providing up to 5.3 GB/s bandwidth per channel for everyday multitasking and program switching.

Will the 200-pin DDR2 SO-DIMM fit my laptop's memory slot?

Yes, the 200-pin DDR2 SO-DIMM form factor matches laptops that require DDR2 667 (PC2 5300) memory at 1.80 V.

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