HYSTOU S210H i9-9880HK 16/512GB Mini PC (Banggood, Aliexpress: RAM 16GB DDR4, Type S210H, Hard Drives Capacity 256GB/512GB SSD, Type Mini PC, CPU Intel Core i9-9880HK, Up to 4.8GHz, 2.3GHz, Display core Intel HD Graphics, Core Eight Core (the best price with coupon)).
Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in 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): BGS211H, bGhOnEy10, BGS212H, BGS802H, BGSH662, 7d18f7, BG1611D, BGTOUS2, BGS20H62, BGCuponation10, BGSALEPRH, BGSprMN02, BGTS2OU, BGe72a91, 13f142
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for HYSTOU S210H i9-9880HK 16/512GB Mini PC. The lowest price was: $624.75.
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)).