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Two green circuit boards with black memory chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM2048642400SO 32GB (2x16GB) DDR4 2400 CL17

SKU CH-BZ1W-NS70T

32 GB DDR4 SO-DIMM kit (2×16 GB, 2400 MHz, CL17, 1.2 V) validated for Panasonic Toughbook 54 CF-54

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR4 2400 (PC4 19200)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL17
  • Memory timings17-17-17
  • Rated voltage1.2 V
  • 32 GB dual-channel kit upgrades Panasonic Toughbook 54 CF-54 to maximum supported memory
  • DDR4 2400 MT/s (PC4 19200) delivers rated bandwidth for the platform
  • CL17 17-17-17 timings at 1.2 V match factory specifications
  • 260-pin unbuffered non-ECC SO-DIMM form factor fits the laptop slots directly
  • Two 16 GB modules included, using major-brand chipset for validated compatibility

System-Specific DDR4 Upgrade

This 32 GB kit delivers two 16 GB DDR4 2400 SO-DIMM modules built for the Panasonic Toughbook 54 CF-54. Unbuffered non-ECC chips run at 1.2 V with CL17 timing, matching the factory specification for these rugged laptops. The 260-pin form factor installs directly into the two available sockets without adapters.

Thermals and Power

Operating at the standard 1.2 V DDR4 voltage keeps power draw low and heat output minimal inside the sealed chassis. No heat spreader is fitted, so the modules rely on the laptop’s existing thermal path, which is sufficient for the rated JEDEC speed. Silent operation is maintained because no active cooling is added.

Sustained-Load Behaviour

Major-brand DRAM chips and 2Rx8 organisation provide stable throughput during extended workloads such as large file transfers or virtual-machine use. The kit fills the maximum supported 32 GB across both sockets, eliminating swap pressure. Builders needing ECC protection or speeds beyond 2400 MT/s should look elsewhere.

How it compares

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

Price $159.99
Cheaper than about 60% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $5.00 per GB
Cheaper than about 77% of the 20,941 comparable items (median $8.19 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 nameComputer Memory Solutions
Model nameCM2048642400SO
Total capacity32 GB (2 × 16 GB)
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2400 (PC4 19200)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL17
Memory timings17-17-17
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsPanasonic Toughbook 54 CF-54
In the box
Included items2 Memory RAM Sticks

Questions about this item

How do I install the 260-pin DDR4 SO-DIMM modules into the Panasonic Toughbook 54 CF-54, and what step is often missed?

Power off and unplug the laptop, remove the battery if accessible, open the memory compartment, align the notch on each 260-pin stick with the slot key, press firmly at both ends until the retention clips click, then reassemble; the step often missed is fully seating both ends so the clips engage.

What maintenance or replacement will the CM2048642400SO kit need over time?

No routine maintenance is required for these unbuffered non-ECC DDR4 modules; they carry a limited lifetime warranty against manufacturing defects, so replacement would only be needed if a stick fails or if a future platform change demands a different memory generation.

What limit appears first when the 32 GB kit runs sustained workloads on the Toughbook 54?

The memory controller caps operation at DDR4 2400 with CL17 17-17-17 timings at 1.2 V, so bandwidth and latency are fixed; thermal throttling is unlikely without a heat spreader, but the hard ceiling is the rated speed and timing set.

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