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Closed black and silver rugged laptop with 13.1 inch touchscreen display

Panasonic

Panasonic Toughbook CF-31 MK4 laptop 13.1" XGA Touch i5-3340M 2.8GHz 8GB 256GB SSD

SKU CH-D5FE-JH3N8

Fully rugged 13.1-inch XGA touchscreen laptop with Intel Core i5 3340M at 2.8 GHz, 8 GB RAM and 256 GB SSD

  • ColorBlack / Silver
  • Cosmetic ConditionGrade A (Excellent)
  • Operating SystemWindows 10 Pro
  • CPU TypeIntel Core i5 3rd Gen
  • Processor Name2.80GHz
  • Core NameIvy Bridge

Options 8GB/256GB

  • 8GB/512GB
  • 8GB/256GB

Struck-through versions exist but are not stocked here.

  • Fully rugged chassis built for harsh environments
  • Sunlight-viewable 13.1" XGA touchscreen for outdoor clarity
  • Intel Core i5-3340M dual-core up to 3.40 GHz handles field workloads
  • 8 GB RAM with 256 GB SSD keeps data fast and secure
  • Windows 10 Pro 64-bit locked to version 10 for stable deployments

Built for field work

The Panasonic Toughbook CF-31 MK4 is a fully rugged laptop designed for outdoor and industrial use. Its 13.1 inch XGA touchscreen works in direct sunlight and responds to gloved hands. The Intel Core i5 3340M dual-core processor reaches 3.40 GHz with Turbo Boost. Windows 10 Pro 64-bit comes pre-installed and cannot be upgraded to Windows 11.

Replacing older rugged units

This model upgrades from earlier Toughbook generations that lack USB 3.0 or solid-state storage. The 256GB SSD and 8GB RAM deliver faster boot and load times than mechanical drives. The jump is worth it when field teams need quicker data access and a sunlight-viewable touch display. It is not for buyers who require Windows 11 support or modern high-resolution screens.

Drop-in deployment

The laptop arrives with Windows 10 Pro already configured, so it is ready to join existing managed environments. Standard ports include HDMI, VGA, serial, Gigabit Ethernet and a docking connector for vehicle mounts. Legacy PC Card and ExpressCard slots support older specialised peripherals. The main friction point is the locked operating system, which prevents future OS upgrades and may conflict with new software requirements.

Highlights

  • Fully rugged chassis built for harsh environments
  • Sunlight-viewable 13.1" XGA touchscreen for outdoor clarity
  • Intel Core i5-3340M dual-core up to 3.40 GHz handles field workloads
  • 8 GB RAM with 256 GB SSD keeps data fast and secure
  • Windows 10 Pro 64-bit locked to version 10 for stable deployments

Specifications

BrandPanasonic
SeriesToughbook
ModelCF-31 MK4
ColorBlack / Silver
Cosmetic ConditionGrade A (Excellent)
Operating SystemWindows 10 Pro
CPU TypeIntel Core i5 3rd Gen
Processor Name2.80GHz
Core NameIvy Bridge
Turbo Frequency3.40 GHz
Number of CoresDual-core Processor
Smart Cache3 MB
Screen Size13.1"
TouchscreenTouch Screen
Display TypeXGA
Resolution1024 x 768
GPU/VPUIntel HD Graphics 4000
Graphic TypeIntegrated Card
SSD256GB
HDDNo
Storage Spec256 GB SSD
Memory8GB
Memory Spec8 GB
LAN10/100/1000Mbps
WLAN802.11a/b/g/n Wireless LAN
BluetoothBluetooth 4.0
USBUSB 3.0 (x 1), USB 2.0 (x 3)
Video Port1 x VGA
HDMI1 x HDMI
Ethernet1 x RJ-45 (1Gbps)
Other port1x Serial
Audio Ports1 x Microphone Jack, 1 x Headphone Jack
Backlit KeyboardNon-backlit
WebcamNo
StyleStandard
TypeWork / Business
UsageBusiness
BatteryLong life Li-Ion battery pack (10.65V, typical 8550mAh, minimum 8100mAh)
Battery Lifeup to 14.5 hours
Dimensions (W x D x H)11.9" x 11.5" x 2.9"
Weight7.9 lbs
Package ContentFully Rugged Laptop, Adapter

Questions about this item

Does the 13.1-inch chassis use a standard VESA mount or a proprietary docking connector for vehicle installation?

The laptop includes a dedicated docking connector on the bottom for vehicle mounts and port replicators; no VESA holes are present on the unit itself.

Which screw or latch must be released first when swapping the 256GB SSD, and what common mistake damages the caddy?

Remove the single captive screw on the bottom access panel, then slide the drive caddy out; forcing the connector before the caddy clears the rails often bends the drive pins.

What user-replaceable parts will need attention after several years of field use on this CF-31 MK4?

The main battery pack, the CMOS coin cell on the motherboard, and the optional secondary battery in the media bay are the only field-replaceable components listed.

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