| Model Number | JBC420P691 | JBC420P691W | 
        | Part Number | HBJC420P691-345B (J3455 non-WIFI) | HBJC420P691W-345B (J3455 WIFI) | 
        | Motherboard Specification | 
        | CPU | Fanless Intel® Celeron J3455 Processor Quad Core 1.50 GHz - 2.30 GHz, 10W TDP | 
        | Memory | 1 * 204-pin SODIMM DDR3L-1866 up to 8GB total, 1.35V required | 
        | Graphics | Intel HD Graphics 500, 250MHz - 750MHz (J3455) | 
        | LAN | 1 * Realtek RTL8111H Gigabit LAN | 
        | Audio | Intel® Display Audio via HDMI | 
        | Storage | 1 * M.2 slot (M-key, 2242 SATA only) | 
        | Wireless / Mini-PCIE / SIM | 1 * Full size Mini-PCI Express Slot 1 * Micro SIM Slot
 | WiFi + Bluetooth 1 * Micro SIM Slot
 | 
        | USB | 2 * USB 3.0 | 
        | TPM | Intel fTPM 2.0 (PTT) Trusted Computing Firmware | 
        | Chassis Specification | 
        | Product size | 129 * 109.4 * 34  mm | 
        | Material | Lightweight aluminum alloy with extruded aluminum IO panel | 
        | Color | Black | 
        | Storage Bay | NA | 
        | Front I/O Port | 1 * Power Button 1 * Power LED
 | 
        | Rear I/O Port | 1 * +12V 2.5mm Diameter DC-In Power Jack 2 * USB 3.0 port
 1 * HDMI 1.4b (3840 x 2160 @ 30Hz)
 1 * RJ-45
 2 * SMA Connector for WiFi Antenna
 1 * Kensington Lock Hole
 | 
        | Power | Adapter : AC_90~240V / DC_12V_3.3A/40W | 
        | Environment | Operating Temperature : 0°C ~ 40°C with air flow Storage Temperature : -20°C ~ 80°C
 | 
        | Functional | Digital Signage, Set Top Box, Thin Client, Car Entertainment, Smart Mini PC, POS/POI, KIOSK, HTPC | 
        | Certificate | CE,FCC,ErP For Barebone CE,FCC,TUV,UL,CCC,CB,ErP For Power Adapter
 |