KBox E-300 Series New

Fanless Mini Box PC with Intel® Intel® Atom® E3900 & Celeron® / Pentium® N-Series Processors
  • 2x HDMI for display output
  • 2x GbE LAN for Ethernet
  • 4x USB 3.0, 2x RS232/422/485 for peripheral connection
  • 1x Micro-SD Cage for storage
  • 1x mSATA / mPCIe, 1x M.2 Key A, 1x M.2 Key B for expansion
Download Datasheet

Fanless & Miniature

Higher Computing / Graphics Performance with Low Power Consumption

Kontron's KBox E-300 Series are fanless box PC based on low-power Intel® Atom® E3900 Series, Celeron® N3350 and Pentium® N4200 processors which provide around 30% processing performance upgrade in comparison to its predecessors , an ideal for high-level computer. With Intel's 7th-generation graphics engine integrated, the graphics performance have 40% to 45% upgrade as well as being able to bring more powerful support to 4K Ultra HD resolution output.

Platform for Harsh Conditions and Ruggedized Applications

Enclosed within a sealed rugged aluminum housing with passive cooling techniques, KBox E-300 Series guarantee highly reliable silent operation against environmental disturbances, such as vibration, shock, moisture, dust and contaminants. Furthermore, this series were made with a completely cabless design inside, providing higher reliability and suitable for ruggedized applications. Several extended-temperature models are offered and allow installation under extreme temperatures up to 70 °C and down to -20 °C.

Small Footprint

KBox E-300 Series have small footprint, around within a palm-sized area, and can be easily integrated into most machine, custom enclosure, control cabinet or even the narrow space behind the monitor.

Efficient Storage Option and Flexible Wireless Expansion

KBox E-300 Series adopt mSATA SSD or M.2 SSD as its storage media for operating system or data, which benefit itself with several advantages including small form factor, low power consumption, shock / vibration resistance and fast boot / shutdown capabilities. Moreover, Micro SD card cage located on the front I/O panel provide an expandable memory space to multimedia file retrieval or data logging applications. Users can also flexibly extend Wi-Fi, Bluetooth and 3G / LTE wireless networking capabilities to the system via one mPCIe socket and two M.2 sockets (Key A and Key B respectively)

(Note: This product will be ordered at Kontron Asia and all technical support, RMA and warranty will be provided by Kontron Asia.)


Processor Intel® Celeron® N3350
(Dual Core, 2M Cache, up to 2.4 GHz, FCBGA1296, 6 W TDP)
Intel® Pentium® N4200
(Quad Core, 2M Cache, up to 2.5 GHz, FCBGA1296, 6 W TDP)
Intel® Atom® x5-E3930
(Dual Core, 2M Cache, up to 1.80 GHz, FCBGA1296, 6.5 W TDP)
Intel® Atom® x5-E3940
(Quad Core, 2M Cache, up to 1.80 GHz, FCBGA1296, 9.5 W TDP)
Intel® Atom® x7-E3950
(Quad Core, 2M Cache, up to 2.00 GHz, FCBGA1296, 12 W TDP)
Main Memory 2x DDR3L 1867 SO-DIMM up to 8 GByte non-ECC
Graphics Controller Intel® HD Graphics 500 (Celeron® N3350, Atom® x5-E3930 / x5-E3940)
Intel® HD Graphics 505 (Pentium® N4200, Atom® x7-E3950)
Display 2x HDMI 1.4b (on rear)
Dual display support
Audio Controller Realtek ALC662
Audio 1x Line-out / Mic-in (on front)
Ethernet 2x GbE LAN (RJ45 on rear, Intel® I210)
USB 4x USB 3.0 (Type A on front)
Serial 2x RS232/422/485 (DB9 on rear)
Expansion 1x Micro-SD Cage (on front, w/o boot support)
1x mSATA / mPCIe (full size, w/ USB 2.0, SATA & PCIe, switchable via BIOS)
1x M.2 Key A (Type 2230, mixed with mPCIe)
1x M.2 Key B (Type 2242 / 2280, mixed with USB 2.0 & SATA)
1x Micro SIM Card Cage (switch for M.2 Key B & mPCIe)
Input Voltage DC 9 V ~ 24 V
Power connector 2-pin Phoenix Connector (on rear)
BIOS AMI uEFI BIOS w/ 128 Mb SPI Flash
Watchdog Programmable WDT to generate system reset event
Real Time Clock SoC integrated RTC
Cooling Passive
Operating System Windows 10, Linux
Mechanical Dimensions 165 mm x 109 mm x 40 mm / 6.50” x 4.29” x 1.57” (Standard temperature model)
165 mm x 109 mm x 48 mm / 6.50” x 4.29” x 1.89” (Extended temperature model)
Mounting VESA Mount
Operation Temperature 0 °C ~ 50 °C / 32 °F ~ 122 °F (Standard)
-20 °C ~ 70 °C / -4 °F ~ 158 °F (Extended)
Humidity 0 % ~ 90 %
Certifications CE Class A, FCC Class A, UL



KBox E-300 Series Box PC Datasheet
Revision 20200706, July 6, 2020
[ kontron-kbox-e-300-box-pc-datasheet-20200706.pdf, 1.69 MB, Jul.06.2020 ]


KBox E-300 Series Box PC User Guide
Revision 2.1, July 6, 2020
[ kontron-kbox-e-300-user-guide-rev-2d1-2020-07-06.pdf, 2.34 MB, Jul.06.2020 ]

General Safety Instruction
[ general-safety-instructions.pdf, 560.72 KB, Jan.04.2021 ]


Read me before KBox E-300 Series Driver Installation
[ read-me-before-kbox-e-300-driver-installation.txt, 160 B, Aug.28.2018 ]

KBox E-300 Series Graphics Driver for Windows
[ kbox-e-300-graphics-driver-for-windows.zip, 288.38 MB, Aug.28.2018 ]

KBox E-300 Series Chipset Driver for Windows
[ kbox-e-300-chipset-driver-for-windows.zip, 3.18 MB, Aug.28.2018 ]

KBox E-300 Series TXE Driver for Windows
[ kbox-e-300-txe-driver-for-windows.zip, 102.31 MB, Aug.28.2018 ]

KBox E-300 Series LAN Driver for Windows
[ kbox-e-300-lan-driver-for-windows.zip, 58.98 MB, Aug.28.2018 ]

KBox E-300 Series Serial I/O Driver for Windows
[ kbox-e-300-serial-io-driver-for-windows.zip, 3.53 MB, Aug.28.2018 ]

KBox E-300 Series Audio Driver for Windows
[ kbox-e-300-audio-driver-for-windows.zip, 216.73 MB, Aug.28.2018 ]

KBox E-300 Series COM Patch File
[ kbox-e-300-com-patch-file.zip, 4.6 MB, Aug.28.2018 ]

Application Stories

Kontron KBox E-303 Integrated To Build A Reliable 24/7 Locker System
Revision 20210114, January 14, 2021
[ application-story-locker-system-20210114.pdf, 4.65 MB, Jan.14.2021 ]

Quick Reference Guide

KBox E-300 Series Box PC Quick Installation Guide
Revision 1.1 December 20, 2018
[ kontron-kbox-e-300-qig-20181220.pdf, 93.99 KB, Dec.20.2018 ]


Kontron Services Brochure
[ kontron-services-brochure.pdf, 8.9 MB, Dec.17.2020 ]


Info Request

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