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Green circuit board 2GB DDR2 SODIMM memory module with black chips no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM256645300SO 2GB DDR2 667MHz SODIMM

SKU CH-7BCJ-QH3F1

2 GB DDR2 SODIMM module rated at 667 MHz for Panasonic Toughbook 19 Mk2 and Mk3 systems

  • Capacity2GB
  • Type200-Pin DDR2 SO-DIMM
  • SpeedDDR2 667 (PC2 5300)
  • CAS LatencyCL5
  • Timing5-5-5
  • Voltage1.8V
  • 2GB capacity extends runtime on Panasonic Toughbook 19 Mk2 and Mk3
  • DDR2 667MHz speed matches PC2-5300 system requirements
  • 200-pin SODIMM form factor fits the laptop memory slot
  • Unbuffered non-ECC design installs without configuration changes
  • 8V operation aligns with original module specification

Panasonic Toughbook 19 compatible 2GB DDR2 module

This 2GB DDR2 667 MHz SO-DIMM is built for Panasonic Toughbook 19 Mk2 CF-19F and Mk3 CF-19K systems. It uses a 200-pin unbuffered layout with CL5 timing and 1.8V operation. The stick carries major-brand chips and ships as a single module.

Suits Toughbook 19 owners adding one stick.

Buyers upgrading a listed Toughbook 19 model can install this module directly. Systems that require a different pin count, voltage or DDR generation cannot use this part. Builders needing ECC or registered memory should select a different module.

200-pin DDR2 SO-DIMM form factor decides fit

The module is a 200-pin DDR2 SO-DIMM running at 667 MHz with 5-5-5 timings. Only platforms designed for this exact interface and pin layout will accept it. Verify the motherboard specification before purchase.

Highlights

  • 2GB capacity extends runtime on Panasonic Toughbook 19 Mk2 and Mk3
  • DDR2 667MHz speed matches PC2-5300 system requirements
  • 200-pin SODIMM form factor fits the laptop memory slot
  • Unbuffered non-ECC design installs without configuration changes
  • 8V operation aligns with original module specification

Specifications

BrandComputer Memory Solutions
ModelCM256645300SO
Capacity2GB
Type200-Pin DDR2 SO-DIMM
SpeedDDR2 667 (PC2 5300)
CAS LatencyCL5
Timing5-5-5
Voltage1.8V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemPanasonic Toughbook 19 Mk2 Cf-19F, Mk3 Cf-19K
Package Content1 Memory RAM Stick

Questions about this item

Will the 667 MHz rating run at that speed in my Toughbook 19 Mk2?

The module is rated at 667 MHz (PC2 5300) and will operate at the highest speed the Toughbook 19 Mk2 or Mk3 memory controller supports, which may be lower than 667 MHz.

What does the 200-pin DDR2 SO-DIMM interface mean for installation?

It fits a standard 200-pin DDR2 SO-DIMM socket; the key notch position matches DDR2 modules only.

Does the 2 GB stick need any special mounting hardware in the Toughbook 19?

No extra hardware is required; the SO-DIMM inserts directly into the internal memory slot of the Toughbook 19 Mk2 or Mk3.

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