Latest update shows that UGreen CM642 TB4/3 40Gbps NVMe SSD Case M.2 to USB4.0 costs $83.99 (in Banggood). Just check coupons out (with price alert and history). What is best price?
UGreen CM642 TB4/3 40Gbps NVMe SSD Case M.2 to USB4.0 SSD Adapter for M.2 NVME PCIE Built-in Cooling Fan Aluminum Case
Latest price update (UTC time):
Banggood ($83.99)
Banggood warehouse is located in China. I can’t find any active coupons for this product in Banggood. Is it cheap? It’s a good price, isn’t it? The average is $86.16.
Link: Banggood product page
Price: $83.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG65056c, BGc6f023, BGESJY8
(these codes were not working in latest coupon update, but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for UGreen CM642 TB4/3 40Gbps NVMe SSD Case M.2 to USB4.0? 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)).