Aliexpress
Click here… to search for NVISEN Y-GX01 Mini PC I7-9750H 16/512GB GTX 1650 on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood.
Link: Banggood product page
Price: -3 USD
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
Old coupons (from the oldest to the newest): BGYGX06, bGpAnDacHeCk, BGYGX08, BGYGX09, BGYGX16, bGhOnEy10, Email5, BGUGX01, bgshOOp10, BGEGX01, BGSEGX, BG9750H, BGGX750H, 7d18f7, BGGX50H, BGGXH50, BG1427B, BGXG1HM, BGCuponation10, BG01GXNS, BGITGX97, BG975GXH, 13f142, BG801GX, BGccb376, BG80b6a8, BG9478c9, BG79ef62, BGcec34a, BG7EBMN11, BG651118, BGf90b68, BG384689, BG3224a7, BG5cd42d, 6GSGIT, BGcc35f6, BGcd6aa1, BG29c561, BGd9d8fc, BG78acc8, 00c906, BGe3884c, BG3bbe37, BGef96eb, BG24f938, BG28fdc2, Kortings10, 2022ACTIESNL, Terence, Tabby20, BG5073df, CouponsdePC, BG068e17, BG7d77e0, BG632540, BG31cc8c, tRaDetRaCKeR, BGb62018, BG17fb13, 8wEbgaInS5, pROMo8cuPoN, BGMNGX01R, BGa1c221, hoNEYbGdeAlS, BG66b657, BGbd1a65, BG3bb4f5, BGJUNEGSG9, BGafe727, BG18b3bc, 9OFFSUMMER, BG33d43c, BG74dd0d, BG503c35, BgGoodie9
(these coupons are old, so probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for NVISEN Y-GX01 Mini PC I7-9750H 16/512GB GTX 1650.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).