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Two green DDR3 SO-DIMM sticks, 204-pin, no heat spreader

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3-1333 SO-DIMM for Toughbook 19 Mk4 Cf-19R

SKU CH-6JYF-JVMG8

Two 4 GB DDR3-1333 SO-DIMM modules built for the Panasonic Toughbook 19 Mk4 Cf-19R

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL7
  • Memory timings7-7-7
  • Rated voltage1.5 V
  • Guaranteed compatibility with Panasonic Toughbook 19 Mk4 Cf-19R
  • Dual-channel 8 GB kit using two 4 GB modules
  • DDR3 1333 MHz speed for responsive system performance
  • Low CL7 latency improves data access timing
  • Standard 1.5 V unbuffered SO-DIMM fits existing slot

System-Specific DDR3 Kit

This 8 GB kit contains two 4 GB SO-DIMM modules built for the Panasonic Toughbook 19 Mk4 Cf-19R. The memory runs at DDR3-1333 with CL7 timings and 1.5 V operation. It is designed for users who need to restore or expand the factory memory configuration of this specific rugged laptop.

Verify Slot Count And Generation

Before ordering, confirm that your Toughbook 19 Mk4 Cf-19R has two available 204-pin SO-DIMM slots and that the platform requires DDR3 rather than a newer generation. The kit is unbuffered, non-ECC and uses a 2Rx8 organisation; mixing with modules of different voltage, speed or rank may prevent the system from booting.

Steady Thermal Behaviour

Under sustained workloads the modules operate at their rated 1.5 V without a heat spreader, relying on the laptop’s internal airflow for cooling. CL7 latency remains consistent during extended use, and the major-brand chipset maintains stability across long sessions. The absence of a spreader keeps the profile thin enough for the rugged chassis.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $34.99
Cheaper than about 83% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $4.37 per GB
Cheaper than about 82% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM5126410600SODRH
Total capacity8 GB (2 × 4 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL7
Memory timings7-7-7
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsPanasonic Toughbook 19 Mk4 Cf-19R
In the box
Included items2 Memory RAM Sticks

Questions about this item

What comes in the box and do I need anything else to install it?

The kit includes two 4 GB DDR3 SO-DIMM sticks. No extra parts are required for installation.

Should I pick the 2 x 4 GB kit or a single 8 GB module for my Toughbook 19 Mk4?

The 2 x 4 GB kit enables dual-channel operation on the Toughbook 19 Mk4, giving higher memory bandwidth than a single 8 GB stick.

What does the 1333 MHz rating mean once the memory is running in the Toughbook?

The modules will operate at 1333 MHz with CL7 timing at 1.5 V, delivering PC3-10600 bandwidth in the Toughbook 19 Mk4.

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