If i use this with my macbook pro 2018 and plug 2 monitors will i have 3 independent desktop (extended mode) ?"

Yes, two externals and the MacBook Pro monitor will all operate independently in extended mode.

Is there an thunderbolt extension cable that all ports (hdmi and ethernet) work when used with this dock?

Haven’t found one, looked all over, always only USB extensions.

If i purchased 2 of these (or if i used with an apple usb-c/hdmi adapter) can i run 4 (or 3) screens on a macbook pro 2017 (2 thunderbird 3 ports)?

The 2017 13" non-touchbar MacBook Pro can only support up to 2 external displays.

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CalDigit Thunderbolt 3 Mini Dock - Bus Powered, Non Charging, 40Gbs, Dual 4K Display, USB 3.0 & 2.0 and Gigabit Ethernet LAN for Mac and PC, Thunderbolt 4 Compatible (Dual HDMI 2.0, Black)

Product ID: 72397645

Details

Brand
CalDigit
Color
Dual HDMI 2.0
Compatible Devices
Computer
Hardware Interface
Ethernet
Item Weight
0.21 kg
Number of Ports
2

⚡40Gbps Thunderbolt 3 speed

🌐Gigabit Ethernet LAN

🖥️Dual 4K@60Hz HDMI displays

Description

⚡ Elevate your workspace with power, speed, and stunning visuals!

FULL SPEED USB 3 0 PORT - Connect your peripherals and external storage with 5Gbps transfer speeds and reliable 900mA power output.
DUAL 4 K EXTENDED DISPLAYS - Expand your workspace with two stunning 4K@60Hz HDMI monitors for ultimate multitasking and immersive visuals.
RELIABLE GIGABIT ETHERNET - Stay connected with stable, high-speed wired internet—perfect for professional environments with unreliable WiFi.
PLUG AND PLAY BUS POWERED DESIGN - No extra power adapter needed—just connect and go with a sleek, portable aluminum dock.
BLAZING FAST 40 GBPS THUNDERBOLT 3 - Experience ultra-responsive data transfer and seamless connectivity with genuine Thunderbolt 3 technology.

The CalDigit Thunderbolt 3 Mini Dock is a compact, bus-powered docking station featuring genuine 40Gbps Thunderbolt 3 connectivity, dual 4K@60Hz HDMI outputs, USB 3.0 ports, and Gigabit Ethernet LAN. Designed for Mac and Thunderbolt 4 compatible PCs, it delivers high-performance multi-display setups and reliable wired networking without the need for external power.

Specifications

ASIN	B079H4WTR4
Best Sellers Rank	#23,006 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #981 in Laptop Docking Stations
Brand	CalDigit
Color	Dual HDMI 2.0, Black
Compatible Devices	Laptop/Personal Computer
Customer Reviews	4.4 4.4 out of 5 stars (542)
Hardware Interface	Ethernet
Item Dimensions L x W x H	4.88"L x 2.55"W x 0.74"H
Item Weight	0.21 kg
Manufacturer	CalDigit
Mfr Part Number	500377
Model Number	TBT3-MiniDock-HDMI
Number of Items	1
Number of Ports	2
Total Number of HDMI Ports	2
Total Usb Ports	2
Warranty Description	2 Years
Wattage	40 watts

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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