TRIGKEY Speed S1 Mini PC i3-8109U 16/500GB (Banggood, Aliexpress: Type Speed S1, Bluetooth BT-5.0, Hard Drives Capacity 500GB M.2 NVMe SSD, Core Duad-Core Four Threads 4MB Cache /3.0GHz / Up to 3.6GHz, RAM 16GB DDR4 / can support max 32GB RAM, Power Supply Charge Adapter, Display core Intel HD Graphics 655 GPU, Wireless WIFI5 -802.11 ax, SSD Support 2.5-inch NVMe/SATA SSD up to 2TB, Brand TRIGKEY, Ethernet Network Support RJ45 1000M, CPU Intel Core i3-8109U, Operating System Windows 10 Pro (the best price with coupon)).
Price history, coupons and price alert are available on this page. 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 and price update (UTC):
Banggood
Banggood warehouse is located in Hong Kong. I am tired of searching coupons, but I found one for you…
Link: Banggood product page
1. ($299.99): BGfda478
apply code in your basket (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): BGGRTK108, BGa372ce, BG648d61, BG272b86, BGef96eb, 2022ACTIESNL, CouponsdePC, BGfe4095, BGJUNEGSG9, BG8ReviTrage, Cuponation9, BGTKMN15OFF, BGTKMN20OFF, BG69c3a4, BgGoodie9, BG6fda43
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for TRIGKEY Speed S1 Mini PC i3-8109U 16/500GB. The lowest price was: $299.99.
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)).