This is the newer generation of Panasonic Toughbook CF-31 model that has a Intel Core i5 2.70GHz (CF-31MK4) and 2.3Ghz (CF-31MK5) CPU.


If you want to upgrade or use Windows 11, only these MK4 or MK5 models will support that for the Toughbook CF-31 models. The MK1, MK2 and MK3 Toughbooks will only support up to Windows 10.


The MK4 is equipped with third generation Core i5-3340M 2.7Ghz, that is 35W CPU, high performance, 1x USB 3.0 and 3x USB 2.0 standard ports. Video controller - Intel® HD Graphics 4000


The MK5 has fifth generation Core i5-5300U 2.3Ghz, 15W CPU which gives more performance compared to the MK4 and generates less heat and uses less power from the battery, same USB port configuration as the MK4 with better Video controller - Intel® HD Graphics 5500

Has great performance in its class, with the world’s most rugged design.


With drop-shock protection and a MIL-STD-810G certification, it’s the

undisputed leader in the fully-rugged category.









•  Optional GLOBAL GNSS GPS - The most accurate Toughbook GPS! Click here to learn why this is the best GPS.



•  This is the only FULLY BLACK TOUGHBOOK on the market. 

Most competitors will just spray paint the lid (toxic VOC emissions)


•  NEW Fast SSD HARD DRIVE - Usually includes slower SATA HD.

Fast boot and access times. No moving parts makes it more reliable.


 Backlit keyboard is water resistant and has 4 levels of lighting. 

Excellent for use at night or in dark places. Not a standard feature.


 Exclusive pre-installed reseller of TecroTech HD WEBCAM for

Toughbook CF-31. There are no other HD internal webcams on

the market. See our full review here 





Click here to see Toughbook Awards


More about Toughbooks here


Click here Toughbook CF-31 Brochure


Click here to Toughbook CF-31 Manual


Panasonic Toughbook Black Cobra CF-31 MK4 MK5

  • • CF-31 MK4 :Intel 2.7Ghz i5 CPU - Very fast for most programs

    • CF-31 MK4 :Intel 2.3Ghz i5 CPU - Has a lower watt CPU which   makes battery last longer


    • 16GB Ram - Memory is MAXED out for speed!


    • SSD Hard drive - Very FAST, boots under 20 seconds! No moving parts, more durable and battery friendly.


    • DVD-RW drive - Burn and back up your data.


    Optional GLOBAL GNSS GPS - Exclusive to TechTough. Is the most accurate GPS on the market for Toughbooks


    • WIRELESS - Wifi 802.11a/b/g/n + Bluetooth


    • PORTS - 1x USB 3.0 and 3x USB 2.0, SDXC card reader, Ethernet, VGA, HDMI, Serial, PC Card, ExpressCard, Headphone, Mic


    • 13" TOUCHSCREEN - Control windows, design, sign with finger or the stylus pen. Readable in direct sun!


    • MIL-STD-810G CERTIFIED: Survive a 6' drop, shock, vibration, altitude, freeze/ thaw, extreme temperatures


    • IP65 CERTIFIED: The sealed all-weather design protects it against rain, dust, sand


    • BACKLIT KEYBOARD - Has 4 levels of lighting for night use and is also water resistant


    • BATTERY - Guaranteed to work for over 3 hours


    • O.S. VERSION - Win 7, 10 or 11 Pro (64 bit)


    • DIMENSIONS - 8lb (3.8KG) - 11.5"(L) x 11.9"(W) x 2.9"(H)


    • CONDITION - Professionaly refurbished to work BETTER then new due to the hardware upgrades


    • INCLUDES - "Black Cobra" Toughbook CF-31 + AC adapter + Stylus pen


    • WARRANTY - 3 years - The longest on the planet!