| Model | – JNF731V-3955U (Default) – JNF731V-3965U
 | 
| Form Factor | – 3.5” (5.8-in * 4.0-in, 148 * 102mm) | 
| Processor System | – Intel® Skylake/Kabylake U-series Processor (TDP 15W) – AMI Flash ROM BIOS
 | 
| Memory | – 1* DDR4 2133MHz SO-DIMM up to 16GB | 
| Storage | – 1* SATAIII (6 Gb/s) – 1* mSATA (SATA/USB signal)
 | 
| Expansion | – 1* Full size Mini-PCIe – 1* Half size Mini-PCIe
 – 1* SIM card holder
 | 
| Ethernet | – 3* Intel i225V 2.5GbE – 1* Intel i219LM GbE
 | 
| Graphics | – Intel® HD Graphics, shared memory – 1* HDMI 1.4 (Max Resolution: 4096×2304@24Hz)
 | 
| Internal I/O | – 3* USB2.0 – 1* SATAIII
 – 1 * 32GB eMMC (option)
 (If use Win 10 OS, we recommend the eMMC is use for OS boot up purpose.)
 – 1* PS/2
 – 1* HDMI
 – 1* RS232/422/485
 – 1* Chassis intrusion
 – 1* GPIO
 – 1* SMBUS
 – 1* AT mode
 – 1* TPM (on board option)
 | 
| External I/O | Rear: -2* USB3.0
 -1* COM
 -4* RJ45
 -12V DC-in
 | 
| Power | 12V DC-in PWR – AT: Directly PWR on as Power input ready
 – ATX: Press Button to PWR on after Power input ready
 | 
| Watchdog Timer | – From Super I/O to drag RESETCON# – 256 segments (10sec ~ 255min)
 | 
| Temperature | – Operating: 0°C ~ 60°C – Storage: -20°C ~ 85°C
 – Humidity: 10% ~ 90% RH @40°C (non-condensing)
 | 
| Compliance | – CE, FCC, RoHS, REACH | 
| OS Support | – Windows, Linux |