Beelink GTI 11 i5-1135G7 Xe 16/500GB Mini PC (Banggood, Aliexpress: Ethernet RJ45 1000M LAN 2.5G, bluetooth bluetooth 5.0, DDR DDR4 for Kingston 16GB 3200MHz, WiFi WiFi 6 (802.11ax) 5G / 2.4G, CPU 11th Generation Intel® i5-1135G7 / 2.4GHz / Turbo 4.2Ghz (4C/8T) Supports 8MB Smart Cache, Storage SSD for Kingston 500GB M.2 2280 NVME SSD / 2200MB/S, Graphics Intel® Xe Graphics (the best price with coupon)).
Basically copy coupon, view price history or create e-mail price alert. 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 price update (UTC time):
Banggood
Banggood warehouse is located in Hong Kong.
Link: Banggood product page
1. ($439.99): BGa27502
2. ($469.99): BGaf8354
just apply this code in your cart 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): BG363880, CouponsdePC, BG79bd52, 2203ActiesNL, tRaDetRaCKeR, BG769c2d, BGed9ef4, pROMo8cuPoN, BGe63a33, Cuponation9, BG2387bf, BGa5d46f, BgGoodie9, BG26a19b
(there’s a little possibility that old coupon will work)
Price history and price alert
Price history (for all/most countries) for Beelink GTI 11 i5-1135G7 Xe 16/500GB Mini PC is here. The lowest price was: $439.99.
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)).