Does it support dp alt mode thru type-c?

Both the VIM3/3L and Edge/-V support USB-C PD(Power Delivery) protocol, but only Edge/-V support DisplayPort and VIM3/3L not.

Windows 10 compatible?

Hello Austin VIM3 is an ARM architecture CPU, currently supported systems are Android/Ubuntu/CoreELEC, etc., can not directly run the windows system.

can i connect 4g lte module at m.2 slot withlout M2X extension board?

Nope. Actually the standard 4G LTE M.2 module is B-Key but the M.2 connector on VIM3/3L is M-Key one. As the M.2 connector on the VIM3/3L designed with both PCIe and USB signals, and the M2X Extension board just devide the signals into two parts: PCIe Signal: for SSD USB Signal: for 4G LTE Tips: As the Edge-V SBC not built-in the USB signals which is required for 4G LTE module, so only the SSD feature is available when connected to the M2X Extension Board.

What version hdmi does this have? does it support 4k60 with hdr?

Thwe web site says: Displays & User Input These items are useful when you need to connect your VIM3 SBC to an external display + keyBoard mouse + remote control, for use as a desktop computer or media center. 4K HDMI 2.0 Cable HDMI-Compatible 1080P/4K Monitor Wireless USB KeyBoard + Mouse CEC-Compatible Remote Control Note: Please do not attach multiple cables with large heads that interfere with each other, as that may bend or twist the connectors, and this will cause intermittent connectivity issues after some time. Also Amlogic Video Engine (AVE-10) offloads the Cortex-A53 CPUs from all video CODEC processing. It includes dedicated hardware video decoder and encoder. AVE-10 is capable of decoding 4Kx2K resolution video at 75fps with complete Trusted Video Path (TVP) for secure applications and supports full formats including MVC, MPEG-1/2/4, VC-1/WMV, AVS, AVS+, AVS2 RealVideo, MJPEG streams, H.264, H265- 10, VP9 and also JPEG pictures with no size limitation. The independent encoder is able to encode in JPEG or H.265/H.264 up to 1080p at 60fps. A311D integrates all standard audio/video input/output interfaces including a HDMI2.1 transmitter with 3D, Dynamic HDR, CEC and HDCP 2.2 support, stereo audio DAC, a CVBS output, 4-lane MIPI DSI interface, multiple TDM, PCM, I2S and SPDIF digital audio input/output interfaces, and 8 channel far-field PDM digital microphone (DMIC) inputs. A 4-lane MIPI-CSI and DVP interface is available to support up to 8MP camera input with the built-in high-quality ISP.

Standing screen display size	5
Max Screen Resolution	3840*2160
Processor	2.2 GHz cortex
RAM	4 GB LPDDR4
Memory Speed	800 MHz
Hard Drive	Embedded MultiMediaCard
Card Description	Dedicated
Wireless Type	802.11a/g/n/ac
Brand	Khadas
Series	VIM3 Pro
Item model number	VIM3 Pro
Operating System	Android/LibreELEC/Ubuntu
Item Weight	1.76 ounces
Package Dimensions	3.58 x 2.64 x 0.87 inches
Color	Blue
Processor Brand	Amlogic
Number of Processors	6
Computer Memory Type	DDR4 SDRAM
Flash Memory Size	16 MB
Manufacturer	Shenzhen Wesion Technology Co., Ltd.
ASIN	B07WCS4Z6V
Date First Available	July 31, 2019

Single Board Computer, Khadas VIM3 With 5.0 Tops.Switchable PCIe and USB 3.0,

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