DFI AL551 3.5″ Intel Atom E3900 Industrial Motherboard w/ up to 8GB DDR3L Memory


  • Intel Atom E3900 3.5″ SBC
  • 1 DDR3L SODIMM up to 8GB
  • Three independent displays: VGA + LVDS + DP++
  • Wireless communication: mini PCIe
  • Rich I/O: 2 x Intel GbE, 2 x COM, 2 x USB 3.0, 4 x USB 2.0
  • 15-Year CPU Life Cycle Support Until Q1′ 31 (Based on Intel IOTG Roadmap)

For further information, please click “Add to Enquiry” or call us on +44 (0) 1785 879050 (UK).

Customisation Service

We can configure this device for you to your exact specification. So we can provide you with the best possible service, please let us know a little about your project if you need this service.



DFI launched new products to provide enhanced processing capability, low-power consumption, and brilliant graphic performance under Goldmont architecture with 14nm manufacturing node. Relying on DFI’s innovative abilities in design and manufacture, these products are small-sized, fanless, and support extended temperature range from -40°C up to +85°C, which makes it a perfect suite for many space-constrained, thermally limited embedded applications and satisfying the demands of industries in harsh environments with the need of thermal solution designs. Also, this outstanding fanless design makes awesome system integration. With the latest processor under Goldmont architecture, these boards offer 30% significant improvement for processing and intense graphic performance (Gen9), it also saves an average of 9 watts TDP energy. 

Ordering Info

AL551-BN-E3950    770-AL5511-200G Intel Atom X7-E3950, 0 to 60°C
AL551-BN-E3940    770-AL5511-100G Intel Atom X5-E3940, 0 to 60°C
AL551-BN-E3930    770-AL5511-000G Intel Atom X5-E3930, 0 to 60°C
AL551-BN-N4200    770-AL5511-500G Intel Pentium N4200, 0 to 60°C
AL551-BN-N3350   770-AL5511-400G Intel Celeron N3350, 0 to 60°C
AL551-EN-E3950    770-AL5511-600G Intel Atom X7-E3950, -20 to 70°C
AL551-TN-E3950   770-AL5511-700G Intel Atom X7-E3950, -40 to 85°C


Assured Systems Datasheet (PDF)

A PDF edition of this page with supporting manufacturer datasheets

System Integration

Please ask about how we can configure your solution

Global Operations

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Full Warranty

Industry leading warranties on all solutions as standard

Technical Support

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Graphics Intel HD Graphics
Display 1 x VGA, VGA: resolution up to 2048×1536 @ 50Hz1 x LVDS, LVDS: dual channel 48-bit, resolution up to 1920×1200 @ 60Hz1 x DP++, DP++: resolution up to 4096×2160 @ 60Hz
Expansion Interface 1 x Full-size mini-PCIe (USB/PCIe)1 x Extension I/O connector (available upon request)1 x M.2 B key 2242 (PCIe/USB 2.0/SATA 3.0)
Controller 2 x Intel I211AT PCIe (10/100/1000Mbps)2 x Intel I210IT PCIe (10/100/1000Mbps) (available upon request)
Ethernet 2 x GbE (RJ-45)
USB 2 x USB 3.1 Gen12 x USB 2.01 x USB 3.1 Gen1 Type C OTG (Linux only, available upon request)2 x USB 2.0 (2.0mm pitch)
Serial 2 x RS-232/422/485 (2.0mm pitch)
SATA 1 x SATA 3.0 (up to 6Gb/s)1 x SATA Power
DIO 1 x 8-bit DIO
SMBus 1 x SMBus
Temperature Operating: 0 to 60°C (Option: -20 to 70°C / -40 to 85 °C)Storage: -40 to 85°C

Delivery Information

Orders placed by EMEA customers will be delivered by DHL.

Payment Methods & Options

Accepted payment options for EMEA customers include VISA, Mastercard or bank transfer in GBP.

Warranty & Service Information for DFI Products (EMEA)

We offer a comprehensive 2 year warranty on all DFI products sold and distributed within the EMEA when purchased directly from Assured Systems. We are proud to be an official DFI partner and can distribute products with secure and certified delivery directly from our UK centre.

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