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  • U939XU939X
  • U939XU939X
  • U939U939
  • U939XU939X
  • U939XU939X
Available in black and red, the new ultra-mobile FUJITSU LIFEBOOK U939X is an ultra-light 360-degree foldable device. All-day battery runtime ensures all-day productivity, while security features such as the optional integrated PalmSecure™ palm vein sensor keep your business data protected. Powerful performance and full connectivity offer you best-in-class user experience.

Features and Benefits

Maximum security

Protect your notebook and business data from unauthorized access at all times
  • Optional PalmSecure™ palm vein sensor or Fingerprint sensor, Smartcard reader, TPM 2.0 and new Infrared Camera with Windows Hello support
  • Kensington Lock support

Ultra-slim and lightweight design

Extraordinarily lightweight design for business professionals who are always on the move
  • A remarkably slim 16.9 mm convertible weighing from 894 g with a robust magnesium housing
  • Appealing ultra-slim convertible in black or red
  • The best viewing experience is guaranteed by a 13.3” FHD (1920 x 1080) display with anti-glare touch
  • Support pen input with WACOM AES technology and 4,096 pressure level, delivering ultimate precision and control

Convenient mobility on the go

Highest productivity on business trips
  • All-day battery runtime offers you the exceptional mobility that you need when on the move
  • Anytime USB Charge functionality to charge smartphones and other media devices, even when the system is powered off
  • Powerful performance, thanks to integrated SSD, helping to process data faster

Excellent connectivity

Be flexible and stay productive in a hyper-connected world
  • Full set of interfaces with a full-sized HDMI, full-sized LAN connector and Thunderbolt™ 3 connector
  • Embedded WLAN, Bluetooth and optional 4G/LTE

Use your device as a Notebook or a Tablet, depending on what you need

Designed to take your productivity to the next level, whether you’re outdoors or indoors
  • 360° foldable 2 in 1 device with 4 functional working modes
  • Pen garage with inductive charging function
  • 5MP rear camera for taking pictures in tablet mode
  • Quick Note Taking Button allows users to quickly activate SketchPad or StickyNote through Windows Ink Workspace

Technical Details

Operating System Windows 10 Pro. Fujitsu recommends Windows 10 Pro
Windows 10 Home
Processor Intel® Core™ i7-8665U Processor (Quad Cores, 8M Cache, 1.9 GHz, up to 4.80 GHz)
Intel® Core™ i7-8565U Processor (Quad Cores, 8M Cache, 1.8 GHz, up to 4.60 GHz)
Intel® Core™ i5-8365U Processor (Quad Cores, 6M Cache, 1.6 GHz, up to 4.10 GHz)
Intel® Core™ i5-8265U Processor (Quad Cores, 6M Cache, 1.6 GHz, up to 3.90 GHz)
Memory Up to 16 GB LPDDR3-2133 (on board)
Storage SSD SATA, 256 GB / 512 GB, M.2
SSD SATA, 256 GB / 512 GB / 1 TB, M.2, SED/OPAL2
SSD PCIe NVMe, 256 GB / 512 GB, M.2, SED/OPAL2
Display 13.3” FHD (1,920 x 1,080), antiglare, touch, UWVA, 1000:1, 400cd/m2
Graphics Intel® UHD Graphics 620
Front Camera FHD IR Camera, supports Windows Hello
Rear Camera 5M pixel Camera
Audio HD Audio, Realtek ALC255, High quality speakers
Dual-array microphone
Battery 2-cell: Up to 8 hrs 10 mins
4-cell: Up to 15 hrs 10 mins
Dimension (W x D x H) 309 mm x 214.8 mm x 16.9 mm
Weight 2-cell: Starting at 894 g
4-cell: Starting at 1015 g
Input/Output Ports 2x USB 3.1 Gen 1 (1 with Anytime USB Charge) 
2x Thunderbolt™ 3 (1 with power delivery functionality)  or
*2x USB 3.1 Type-C™ (1 with power delivery functionality)
1x RJ45
1x Memory card slot (support SD, SDHC, SDXC)
1x Combo Audio (line-in / line-out) 
1x SIM card slot (only for models with integrated WWAN module)
(*USB 3.1 Type-C™ can only be configured with i5-8365U Processor)
Keyboard and pointing devices 84 Keys, 19 mm pitch, 1.5 mm keystroke, backlit
AES Pen stored in pen garage
Quick Note Taking Button
Security Integrated Fingerprint sensor (Optional)
Integrated PalmSecure™ palm vein sensor (Optional)
Integrated Smartcard reader
Trusted Platform Module (TPM 2.0) (Optional)
Fujitsu EraseDisk (BIOS) (Optional)
Fujitsu Workplace Protect
Fujitsu AuthConductor™ Client Basic
Fujitsu BIOS/ Hard Disk password protection
Security lock (lock must be purchased separately)
Ethernet Intel® Ethernet Connection I219-LM
WLAN (Optional) Intel® Dual Band Wireless-AC  9560 802.11ac/a/b/g/n (2x2) and Bluetooth® 5.0
WWAN (Optional) 4G/LTE Sierra Wireless© EM7455 (Cat.6)


Product Name Order Number
USB Type-C Port replicator FPCPR362DP
AC Adapter (3-pin) 65W/19V stick type FPCAC157DP
AES Pen w/o Pen-Tether w/Replacement Stylus Tips (3 Pcs) FPCPN055DP
Replacement Stylus Tips (3 Pcs) FPCPN053DP
Pen-tether FPCETC14DP
LTE Upgrade Kit FPCMDN66DP


Data Sheet FUJITSU Notebook (398 KB)