Name: ELSKY HT3300 Domestic Hygon 3350 Indutrial Motherboard
Brand: SHENZHEN ELSKY TECHNOLOGY CO.,LTD

Motherboard size	170mm (L) * 170mm (W) * 24 mm (H) including radiator height: 170mm (L) * 170mm (W) * 38 mm (H)
CPU	Supports domestically produced Hygon 3350, 3350E, 3330, 3330E, etc.
Power supply	1*DC_ IN	The DC connector has an inner diameter of 2.5mm and supports 12V/19V. The motherboard consumes approximately 180W under full load ; a 12V 15A or 19V 10A or higher power supply is recommended.
	1*ATX (4-pin)
Memory	2*SO DIMM slots	NB-DDR4 memory, supports 2133/2400/2666/3200 MHz memory, maximum support 64 GB.
Network function	1/2*LAN interface	Dual-network: Supports 2Yutaiwei YT6801 Gigabit network cards, can be modified to support 2Realtek 8111H Gigabit network cards; Three networks: Supports 3Yutai Micro YT6801 gigabit network cards, can be modified to support 3Realtek 8111H gigabit network cards; Four-network: Supports 4Yutaiwei YT6801 gigabit network cards, can be modified to support 4Realtek 8111H gigabit network cards; Supports Wake-on-LAN ; PoE power supply cannot be modified; PXE is not supported.
	1*M2_WIFI interface	Supports Key-E interface M.2 2230 PCIe 4.0 x1 & USB, and supports WiFi and Bluetooth modules.
	1*M2_4G/5G interface	Supports Key-B interface M.2 5G (3052/3042) modules or M.2 4G (3042) modules.
Display function	Dedicated graphics card	1*MXM slot (If no MXM graphics card is connected, the motherboard will not display anything).
	The display supported by the motherboard is determined by the MXM graphics card.
	1* HDMI1® port	The motherboard’s HDMI1® interface has a resolution determined by the MXM graphics card.
	1*HDMI2® interface	The motherboard has an HDMI2® port ; the resolution is determined by the MXM graphics card.
	Note: The motherboard does not support HDMI_CON header display.
	1*LVDS /EDP1 pin	Supports resolution 19201080@60Hz ( 30Pin, 215Pin, 2.0mm)
	The LVDS/EDP1 header supports LVDS by default and can be modified to support EDP1, sharing the same header; EDP1 uses an EDP-B screen cable (20-pin separate screen cable for backlight) ; the display of LVDS and EDP1 on the motherboard is determined by the MXM graphics card; LVDS resolution only supports 1920×1080@60Hz.
	1*LVDS_PWR pin	LVDS /EDP1 operating voltage control pin (6-pin, 2*3-pin, 2.0mm)
	1*INVERT pin	LVDS backlight control pins (6-pin, 1*6-pin, 2.0mm)
	The motherboard supports MXM graphics cards by default, including Jingjia Micro JM9100/MJ7201/GS7201 and Xindong Fenghua II graphics cards; if using MXM graphics cards such as 1030/1650/1050Ti/3050, the motherboard hardware needs to be modified.
USB function	6 USB 3.0 ports	rear-mounted standard USB 3.0 port with a maximum bandwidth of 5Gbps.
	1*F_USB 1- pin connector	Front-mounted USB 2.0 header, one set has 2 USB 2.0 ports. (9-pin, 2*5-pin, 2.0 mm )
	1*F_USB 2- pin connector	Front-mounted USB 2.0 header, one set has 2 USB 2.0 ports. (9-pin, 2*5-pin, 2.0 mm )
Sound function	By default, it supports SMIC’s domestically produced CJC6811A USB sound card chip.
	1*LIN_OUT interface	Supports audio output (green)
	1*MIC_IN interface	Microphone input is supported (red).
	1* INT_SPK pin	Supports 8 ohms 5 watt speaker output (amplifier) (4-pin, 1*4-pin, 2.0mm)
	1*F_AUDIO pin	Standard audio pins (9-pin, 2*5-pin, 2.54mm)
Hard drive function	1*NGFF interface	Supports Key-M interface M.2 2280 NVME PCIe 4.0 x4 / SATA adaptive standard SSD; Optional M.2 2242 hard drive;
	1*SATA1 interface	Standard SATA hard drive interface, supports SATA 3.0
	1*SATA_PWR 1- pin connector	The hard drive power supply pins can draw 5V or 12V power. (4-pin, 1*4-pin, 2.54mm)
On/off function	1*F_PANEL pin	Switch, power indicator, hard drive indicator, reset pin (9-pin, 2*5-pin, 2.54mm)
	1*AUTO_SW pin	Hardware control power-on pins (3-pin, 1*3-pin, 2.0mm)
Other I/O	1*COM1 pin	Supports standard RS232 / RS422 / RS485 optional (9Pin, 2*5Pin, 2.0 mm )
	1*COM2 pin	Supports standard RS232 / RS485 (9Pin, 2*5Pin, 2.0 mm ) .
	COM3-6 pins	Serial port, supports standard RS232; (39Pin, 2*20Pin, 2.0mm)
	1*CPU_FAN 1 pin	CPU fan header , supports temperature control (3-pin, 1*3-pin, 2.54mm)
	1*GPU_FAN/SYS_FAN pin		The system fan header does not support temperature control . (3-pin, 1*3-pin, 2.54mm)
	1*GPIO1 pin	GPIO control pins (10Pin, 2*5Pin, 2.0mm)
	1*CLR_CMOS pin	Motherboard discharge, zeroing pins (3-pin, 1*3-pin, 2.0mm)
	1*SIO-UPDATE pin	SIO’s FW update pins (3-pin, 1*3-pin, 2.54mm)
	1*J1 pin	Adjustment pins (3-pin, 1*3-pin, 2.0mm)
Operating environment	Operating temperature: 0℃~ 45 ℃; Operating humidity: 5%~95% relative humidity, non-condensing.
BIOS	Supports power-on upon startup, scheduled power-on, and intelligent identification of remote power on/off devices.
Operating system	Jingjia Micro JM7201/GS7201/JM9100: Supports Kylin and Tongxin systems, but does not support Windows systems; 1030/1050ti/1650/3050/RX550: Supports Windows 10, Windows 11, Ubuntu, Kylin, UnionTech systems, etc. ChipPower FengHua II: Supports Windows 10, Windows 11, Kylin, and Tongxin operating systems;

Product Overview

The motherboard utilizes industrial-grade components and a wide-temperature design, supporting operation in environments ranging from -10°C to 60°C and ensuring stable, continuous 24/7 performance; it is widely used in IoT sectors such as industrial automation, machine vision, smart commercial displays, and medical imaging.