You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Core Octa-Core Sixteen Threads 4MB Cache /3.3GHz / Up to 4.4GHz, CPU AMD Ryzen 9 4900H, Operating System Windows 10 pro, Power Supply Charge Adapter, SSD Support 2.5-inch SATA HDD slotx 2 (SATA 3.0 6.0 Gb/s), Ethernet Network “Support RJ45 1000M*1
Support RJ45 2500M*1”, Type HM90, Hard Drives Capacity None, Wireless WIFI 6, Bluetooth BT 5.1, GPU AMD Radeon Graphics, RAM None, Brand Minisforum
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Replacement MINI PC Fan For Minisforum HM50 HM60 HM80 HM90 DC12V 4PIN New | $34.83 | – |
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.
Link: Banggood product page
1. ($735.99): BG8OFFCOUPON
2. ($751.99): BG00c906
you should apply the coupon 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): BG7a7d39, Terence, Tabby20, 2203ActiesNL, BGf8a9d4, CouponsdePC, BGc5e93f, BG65a794, BG5a6a8d, tRaDetRaCKeR, BGfaf28c, BG720f3f, BGa9e4bd, 8wEbgaInS5, BG095642, pROMo8cuPoN, BG7cc580, BG1280fa, BGf3ccdc, BGJUNEGSG9, Cuponation9, 9OFFSUMMER, COUPONSDE1wk, BGfae723, BgGoodie9, BG8ReviTrage, BGcoupon8off, BGGutscheine
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for Minisforum HM90 Ryzen9 4900H 16/512GB Mini PC? There we go.
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)).