Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
GMKTEC NucBox G2 Intel Alder Lake N100 MAX 3.4GHz Mini PC 12GB LPDDR5 RAM 512GB SSD WIFI6 BT5.2 HDMI DP 4K Dual Display Windows11 Pro Mini Computer – Black
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There is no active coupon in my database right now (for Banggood).
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGCAPITALOS8, BGCOUPERT8, BG8FORMULAMX, BGBFDAY8, BGNEWYEAR8
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for GMKTEC NucBox G2 N100 MAX Mini PC 12/512GB? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).