Beelink J45 8/256GB J4205 Mini PC (Banggood, Aliexpress: CPU: Intel Pentium J4205 Core: Quad Core GPU: Intel HD Graphics 505 RAM: 8GB RAM Type: LPDDR4 Power Consumption.: 12W RJ45 Port Speed: 1000M ROM: 256GB (the best price with coupon)).
You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
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 code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($220.99): 7bcdf9
2. ($220.99): BGSS20SW
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): elec, BGCITYADS2019, BGMPB2020, bGhOnEy10
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for Beelink J45 8/256GB J4205 Mini PC. The lowest price was: $189.99.
Price records source(s): Gearbest, 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)).