Beelink GT-R PRO 3550H Vega 8 16/512GB 1TB Mini PC (Banggood, Aliexpress: Model GT-R PRO, LAN 1000M, Storage M.2 SATA3 SSD Slot (Support Extension), Bluetooth Bluetooth 5.0, Instruction Set 64bit, Storage SATA3 HDD 2.5in 1TB, RAM 16GB (SO-DIMM DDR4 2400MHz) / Support Up to 64GB, OS Win 10, WIFI WiFi 6 (802.11ax), Storage M.2 PCI-E 2X SSD 512GB, Type Mini PC, Graphics Radeon™ Vega 8 Graphics 1200 MHz, Brand Beelink, Lithography 12nm, CPU AMD Ryzen™ 5 3550H / Quad-Core 8 Threads / 2.1Ghz UP TO 3.7Ghz / Cache 6MB (the best price with coupon)).
Just check coupons out (with price alert and history). What is best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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 Hong Kong. Well, there is one coupon available right now.
Link: Banggood product page
1. ($785.06): CouponsdePC
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BG597549, 2022ACTIESNL, BG5fa3d2, Tabby20, BG36c010, BGdb5854
(there’s a little possibility that old coupon will work)
Price history and price alert
Price history (for all/most countries) for Beelink GT-R PRO 3550H Vega 8 16/512GB 1TB Mini PC is here. The lowest price was: $399.99.
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)).