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Two green DDR3 SODIMM sticks, 204-pin, no heat spreader

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3 1066MHz SODIMM for Panasonic Toughbook 19 Mk4 Cf-19R - A35

SKU CH-0BGR-3P06R

A two-stick kit of DDR3 SODIMM memory totalling 8 GB at 1066 MHz, built for the Panasonic Toughbook 19 Mk4 Cf-19R

  • Capacity64MB
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Timing7-7-7
  • Voltage1.5V
  • Guaranteed compatibility with Panasonic Toughbook 19 Mk4 Cf-19R
  • 8 GB total capacity delivered as a matched 2-piece kit
  • 1066 MHz DDR3 speed rated at PC3 8500 for responsive performance
  • Low 1.5 V unbuffered operation runs cool without a heat spreader
  • CL7 7-7-7 timing provides tight latency for stable operation

Targeted System Upgrade

This 8GB kit contains two 4GB DDR3 SODIMM modules built for the Panasonic Toughbook 19 Mk4 Cf-19R. Each stick runs at 1066MHz with CL7 timing and 1.5V voltage. The unbuffered, non-ECC design matches the notebook's factory requirements. Computer Memory Solutions validates compatibility for the listed part numbers.

Ideal for Maxing Out Supported Models

Owners of compatible Toughbook 19 Mk4 units seeking the 8GB ceiling will use both sockets. Builders needing more than 8GB total capacity must choose a different platform. Users running a 32-bit operating system should note that usable memory may drop to 3.5GB. The kit does not support ECC or registered memory configurations.

Critical Speed and Form Factor Match

The modules operate at DDR3 1066 (PC3 8500) in the 204-pin SODIMM form factor. This specific speed and pin count are mandatory for the target notebook; other DDR generations or pin layouts will not fit or function. Confirm your exact model identifier before purchase.

Points forts

  • Guaranteed compatibility with Panasonic Toughbook 19 Mk4 Cf-19R
  • 8 GB total capacity delivered as a matched 2-piece kit
  • 1066 MHz DDR3 speed rated at PC3 8500 for responsive performance
  • Low 1.5 V unbuffered operation runs cool without a heat spreader
  • CL7 7-7-7 timing provides tight latency for stable operation

Caractéristiques

BrandComputer Memory Solutions
ModelCM512648500SODRH
Capacity64MB
Type204-Pin DDR3 SO-DIMM
SpeedDDR3 1066 (PC3 8500)
CAS LatencyCL7
Timing7-7-7
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemPanasonic Toughbook 19 Mk4 Cf-19R
Package Content2 Memory RAM Sticks

Questions sur cet article

How do I install the 204-pin SODIMM modules in the Toughbook 19 Mk4?

Power off, remove the battery, open the memory compartment, insert each module at an angle until the clips lock, then replace the cover and battery.

Will I need to replace these DDR3 modules again later?

The modules carry a lifetime warranty from Computer Memory Solutions and have no moving parts, so replacement is only needed if a fault develops.

What limit appears first when the Toughbook 19 Mk4 runs sustained workloads with 8 GB installed?

A 32-bit operating system will only recognise about 3.5 GB, so the OS memory ceiling is the first bottleneck.

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