KBox E-300 Series New

Fanless Mini Box PC with Intel® Apollo Lake SoC 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

Power-efficient Performance in A Small Box

Kontron's KBox E-300 Series is a fanless box PC based on low-power Intel® Apollo Lake SoC Processor, ideal for entry-level computer. It has 2x HDMI, 2x GbE LAN, 4x USB 3.0 and 2x RS232/422/485 for display output, Ethernet and peripheral connection.

Fanless Rugged Enclosure

The KBox E-300 Series provides high reliability rugged case not only for great protection from EMI and ambient temperature, but also integrated with passive cooling design for quiet operation.

Storage and Wireless Expansion

Finally, the KBox E-300 Series reserves 1x mSATA / mPCIe, 1x M.2 Key A and 1x M.2 Key B, allowing users to expand wireless connection, storage and other functionality.


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)
Intel® Celeron® J3455
(Quad Core, 2M Cache, up to 2.30 GHz, FCBGA1296, 10 W TDP)
Main Memory 2x DDR3L 1867 SO-DIMM up to 8 GByte non-ECC
Graphics Controller Intel® HD Graphics 500 (Celeron® N3350 / J3455, 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 (mixed with USB 2.0, SATA & PCIe, switchable via BIOS)
1x M.2 Key A (mixed with mPCIe)
1x M.2 Key B (mixed with USB 2.0 & SATA)
1x Micro SIM Card Cage (switch for M.2 Key B & mPCIe)
Power connector Phoenix Connector (on rear)
Input Voltage DC 9 V ~ 24 V
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” (W x D x H)
Mounting VESA Mount
Operation Temperature 0 °C ~ 50 °C / 32 °F ~ 122 °F
Humidity 0 % ~ 90 %
Certifications CE, FCC Class A



KBox E-300 Series Box PC Datasheet
Version 20180611
[ kbox-e-300_20180611_datasheet.pdf, 0.12 mb, Jun 11, 2018 ]


Kontron Services Brochure
[ kontron-services-brochure.pdf, 0.37 mb, Nov 19, 2015 ]


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