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Super Micro Computer, Inc.
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Supermicro Motherboard Xeon Boards A2SAN-E-WOHS

Low Power

Key Features
  1. Intel® Atom processor E3940 (9.5W, 4C)
  2. Intel® Goldmont microarchitecture 14nm System-on-Chip
  3. Up to 8GB 1866MHz DDR3L Non-ECC SO-DIMM in 1 socket
  4. Dual LAN with Intel® Ethernet Controller I210-IT
  5. 1 M.2 B-Key 2280, 1 Full size Mini-PCI-E, 1 SATA 3.0
  6. 1 HDMI, 1 VGA, 1 48-bit LVDS, Intel® HD Graphic 3 independent displays
  7. 2 USB 3.0 ports, 4 USB 2.0 ports, 4 COM ports, 1 SATA 3.0, 8-bit GPIO, SMBus
  8. Supports 12V DC power input
  9. Wide temperature suppot from -30°C to 75°C
Links & Resources

Product SKUs
Physical Stats
Form Factor
  • 3.5" SBC
  • 5.7" x 4.0" (14.6cm x 10.16cm)
  • Intel® Atom® Processor E3940.
  • Single Socket FCBGA1296 supported, CPU TDP support 9.5W
Cores / Cache
  • 4 cores, 4 threads / 2MB L2 cache
System Memory
Memory Capacity
  • Up to 8GB Unbuffered non-ECC SO-DIMM, DDR3-1866MHz, in 1 DIMM slot
Memory Type
  • DDR3L up to 1866Mhz 8GB
DIMM Sizes
  • 2GB, 4GB, 8GB
Memory Voltage
  • 1.35V
On-Board Devices
  • System on Chip
  • SoC controller for 1 SATA3 (6 Gbps) ports;
Network Controllers
  • Dual LAN with Intel® Ethernet Controller I210IT
  • ALC 888S HD Audio
  • Intel® HD Graphics
Input / Output
  • 1 SATA3 (6Gbps) port
  • 2 RJ45 Gigabit Ethernet LAN ports
  • 4 USB 2.0 ports (4 headers),
  • 2 USB 3.0 ports (2 rear)
Video Output
  • 1 VGA port, 1 48-bit LVDS port, 1 HDMI port
Serial Port / Header
  • 4 COM Ports (4 headers), (2 x RS232, 2 RS232/422/485, RS-485 supports Auto flow control)
  • 1 TPM Chip
  • 1 HD Audio header (Mic-in/Headphone-out)
  • 1 8-bit GPIO header
  • 1 SMbus header
  • 1 Panel backlight power header
  • 1 Speaker
  • 1 System Fan
Expansion Slots
  • 1 x Full size Mini-PCI-E (USB2.0 x 1,PCI-E Gen2 x 1)
  • 1 x M.2 2280 B-Key for SATA or PCI-E SSD (2242/3042 B-key M.2 module is supported by extender bracket)
  • M.2 Interface: SATA and PCI-E 2.0 x1 and USB 2.0
  • Form Factor: 2280
  • Key: B-Key
System BIOS
  • SuperDoctor® 5, Watchdog
Power Configurations
  • +12V DC Power Input
  • ACPI Power Management
  • Control of power-on for recovery from AC power loss
  • Force Power On by Jumper
PC Health Monitoring
  • +1.35V, +12V, +3.3V, +5V, 3.3V standby, System level control, System temperature, VBAT, VCGI
  • 1x 4-pin fan header (up to 1 fan), Fan speed control, Low noise fan speed control, PWM fan speed control, System level control, Thermal control tachometer fan connectors
  • CPU thermal trip support
  • Standby alert LED
Other Features
  • 4-pin 12v DC power connector, ACPI power management, Control of power-on for recovery from AC power loss, CPU thermal trip support for processor protection, M.2 NGFF connector, RoHS, System level control, WOL
Operating Environment
Operating Temperature Range
  • -30°C ~ 75°C (-22°F ~ 167°F)
Non-Operating Temperature Range
  • -40°C - 85°C (-40°F - 185°F)
Operating Relative Humidity Range
  • 8% - 90% (non-condensing)
Non-Operating Relative Humidity Range
  • 10% ~ 95% (non-condensing)
Parts List (Bulk Package)
Name Part Number Qty Description
Motherboard MBD-A2SAN-E-WOHS 1 A2SAN-E-WOHS Motherboard
SATA Power CableCBL-PWEX-09821SATA Power Cable 25cm
SATA cableCBL-SAST-08811SATA Data cable 25CM

Parts List (Retail Package)
Name Part Number Qty Description
Motherboard MBD-A2SAN-E-WOHS 1 A2SAN-E-WOHS Motherboard
COM CableCBL-CUSB-09841COM Cable 20cm
SATA Power CableCBL-PWEX-09821SATA Power Cable 25cm
USB CableCBL-CUSB-09831USB2.0 cable 20cm
SATA cableCBL-SAST-08811SATA Data cable 25CM
QRGMNL-1935-QRG1Motherboard Quick Reference Guide
Audio CableCBL-OTHR-0986 1Audio Cable 20cm

Optional Parts List
Name Part Number Qty Description
Mini PCIe extended bracketMCP-110-00097-0N1Mini PCIe extended bracket to extend half size to full size
M.2 Module bracketMCP-290-00161-0N1Bracket for add 2242/3042 module support

Note: A2SAN-E-WOHS DO NOT include heatsink, customer needs to make own thermal solution

Server (Optimized for A2SAN-E-WOHS)
Server Name
Information in this document is subject to change without notice.
Other products and companies referred to herein are trademarks or registered trademarks of their respective companies or mark holders.