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    SJRC Mini PC Celeron J4125, Fanless Industrial Computer with 2X RS232/RS485 COM, 2 x Gigabit LAN, Micro Embedded Computer Box, Barebone NO RAM/SSD/OS, SIM, mPCIe, HD, VGA

    • Durable J4125 Processing Power: Driven by a reliable 4C/4T processor (up to 2.70GHz, 4M Cache, 10W TDP) and integrated UHD Graphics 600, this fanless Mini PC excels in 24/7 continuous operations within harsh setups. No OS pre-installed. For instant hardware testing, repeatedly press the Delete key upon power-on to enter BIOS config
    • Dual COM & Rich I/O Interface: Features 2x DB9 COM serial ports (default RS232, jumper switchable to RS485), ideal for seamless PLC, CNC, and industrial field communication. Includes 4 x USB 3.0 and 2 x USB 2.0 ports for extensive peripheral connectivity. Dual independent displays are supported via HD 1.4 and VGA, alongside a 3.5mm audio jack
    • Dual Gigabit LAN & DDR4 RAM: Equipped with dual RTL8111H Gigabit RJ45 Ethernet ports supporting Link Aggregation and Network Isolation for interconnection between internal and external networks. It features 1x SO-DIMM 2400MHz DDR4 RAM slot, up to 16GB. Reliability features include Restore on AC Power Loss, WOL, PXE b
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    SJRC Fanless Dual LAN and Dual COM Mini PC
    CPU Configurations:
    J4125 CPU: Quad-Core, up to 2.70GHz (10W TDP) Tailored for embedded routing and IoT edge gateways.
    Storage & Expansion
    RAM: 1x DDR4 2400MHz SO-DIMM slot (Supports up to 16GB).
    Storage: 1x Full-size mSATA slot & 1x SATA 3.0 interface for 2.5" SSD/HDD (SATA connection cable included).
    Wireless: 1x Mini-PCIe slot (Supports full/half-size) with an onboard SIM card slot for 4G LTE cellular or WLAN expansion (Pre-installed WLAN module by default).
    Maintenance: Internal Clear CMOS hardware jumper for swift, hassle-free BIOS recovery.
    Connectivity & WDT Recovery
    Networking: Features 2x RTL8111H Gigabit Ethernet ports supporting Network Isolation and Link Aggregation.
    Serial Ports: Dual DB9 COM ports (default to RS232, hardware jumper switchable to RS485 for industrial devices).
    Remote Management: Guarantees unattended uptime via Restore on AC Power Loss, WOL , PXE network boot, and a 256-level Hardware WDT.
    I/O & Mounting
    Memory & Ports: 4x USB 3.0, 2x USB 2.0, 1x 3.5mm Audio jack, 1x HD 1.4, and 1x VGA legacy port.
    OS & Boot: Native support for both Legacy and modern UEFI boot modes.
    Physical Specs
    Dimensions: 15.1x12.7x4.3 cm / 5.94"x5.00"x1.69" (Slim 4.3cm profile).
    Weight: Net 0.8 kg / 1.76 lbs (Rugged, heavy-duty aluminum chassis).
    Mounting: Support for VESA mount and Wall-mount (both brackets and screws included).

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