| Model | – HBFDF731-3955-V (Default) – HBFDF731Z-3955-V (Wifi)
 – HBFDF731-3965-V
 – HBFDF731Z-3965-V (Wifi)
 | 
| CPU/Chipset | – Intel® Skylake/Kabylake U-Series SoC Processor Notes : When the system runs, CPU will automatically adjust its working clock frequency according to changing workload.
 | 
| BIOS | – AMI Flash ROM | 
| Memory | – 1* SO-DIMM DDR4-2133MHz up to 16GB | 
| Network | – 1* Intel® i219LM GbE – 3* Intel® i225V 2.5GbE
 | 
| Graphics | – Intel® HD Graphics, shared memory – 1* HDMI (Reserve, Max. resolution:4096 x 2304@24Hz)
 | 
| Storage | – 1* full size mSATA – 1* 2.5” SATAIII Device (support 2.5” HDD with a height ≤ 10mm)
 | 
| Expansion | – 1* half size Mini PCIe slot (for WiFi expansion) – 1* full size Mini PCIe slot with 1 * SIM card holder
 | 
| Rear Panel I/O | – 4 * RJ45 (3 * i225V + 1 * i219LM) – 2 * USB3.0
 – 1 * HDMI (Reserve, Max. resolution:4096 x 2304@24Hz)
 – 1 * RS232
 – 1 * DC-in jack
 | 
| Front Panel I/O | – 1 * Power button, 1 * Reset button – 1 * Power LED, 1 * HDD LED
 – 2 * USB2.0
 – 4 * NIC LED
 – 1 * COM & 1 * GPIO (option)
 | 
| Internal Connector | – Onboard TPM2.0 (option) | 
| Power Source | – MB: DC-in 12V – Adapter: AC_90~240V / DC_12V_5A / 60W
 | 
| Compliance | – CE, FCC, LVD Ready | 
| Dimensions | – System: 193 (W) x 142.4 (D) x 62 (H) mm – Box: 250 (W) x 118 (D) x 295 (H) mm
 | 
| Temperature | – Operating Temperature: -20 ~ 50° C (Under the condition of using mSATA or SSD) – Operating Temperature: 0 ~ 50° C (Under the condition of using 2.5” SATA HDD)
 (The test environment is closed and windless)
 – Storage Temperature: -20 ~ 70° C
 – Humidity: Between 40% and 60%, non-condensing
 | 
| OS Support | – 32/64 bit versions of Windows 7, Windows 8.1, Windows 10, Linux |