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Two green DDR4 SODIMM sticks, 260-pin, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM4096642400SO 64GB (2×32GB) DDR4 2400 SODIMM Panasonic Toughbook 55 FZ-55

SKU CH-SDC4-928MS

A 64GB dual-channel kit of two 32GB DDR4 2400 SO-DIMM modules validated for the Panasonic Toughbook 55 FZ-55

  • Capacity64GB (2 x 32GB)
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Timing17-17-17
  • Voltage1.2V
  • 64 GB total capacity from two 32 GB modules
  • DDR4 2400 speed rated at PC4 19200
  • Low 1.2 V operation reduces power draw
  • CL17 latency with 17-17-17 timing
  • Validated for Panasonic Toughbook 55 FZ-55

64GB DDR4 2400 SODIMM Kit for Toughbook 55

This 64GB kit contains two 32GB DDR4 2400 SODIMM modules built for the Panasonic Toughbook 55 FZ-55. Each stick is a 260-pin unbuffered non-ECC DIMM rated at CL17 17-17-17 timing and 1.2V. The kit fills both memory slots to reach the platform maximum of 64GB.

Suits users upgrading a Toughbook 55 FZ-55 to full

The kit is designed specifically for that model and will not fit laptops that require a different pin count, voltage or DDR generation. Buyers who need ECC or registered memory should look elsewhere, as these modules are non-ECC and unbuffered. Systems limited to 32GB maximum or a single slot cannot use the full kit.

Check that your Toughbook 55 FZ-55 has two free

Verify the laptop currently runs DDR4 2400 or faster memory so the new modules operate at their rated speed. Confirm the system uses a 64-bit operating system to address more than 4GB of RAM. Ensure the BIOS is up to date for full compatibility with 32GB density modules.

Highlights

  • 64 GB total capacity from two 32 GB modules
  • DDR4 2400 speed rated at PC4 19200
  • Low 1.2 V operation reduces power draw
  • CL17 latency with 17-17-17 timing
  • Validated for Panasonic Toughbook 55 FZ-55

Specifications

BrandComputer Memory Solutions
ModelCM4096642400SO
Capacity64GB (2 x 32GB)
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Timing17-17-17
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemPanasonic Toughbook 55 FZ-55
Package Content2 Memory RAM Sticks

Questions about this item

Does my Panasonic Toughbook 55 FZ-55 need two free 260-pin SODIMM slots to install this 64GB kit?

Yes, the kit contains two 32GB modules and the Toughbook 55 FZ-55 has two SODIMM sockets, so both slots must be available for the full 64GB upgrade.

If I keep one original 32GB module and add one 32GB stick from this kit, what speed will the memory run at?

All installed memory will run at the slowest module's speed; mixing a slower original stick with these DDR4 2400 CL17 modules will downclock the kit to match the original.

How can I verify the system recognises the full 64GB capacity after installation?

Boot into a 64-bit operating system and check Task Manager or System Information; it should report 64GB of usable memory running at 2400 MHz with CL17 timings.

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