You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
Product Size: 104*40*12mm, Model: W308 OTG, Shell Material: Aluminum alloy shell + plastic inner support, , Interface: Type C & USB3.1 gen 2, Main Control Scheme: RTL9210B, Scope of Application: M.2 NVME SSD or M.2 SATA SSD (Except B key / M.2 SATA only applies to B+MKey), Supported Capacity: 2TB, Transmission Speed: 10Gbps (NVME PCIe) /6Gbps (NGFF SATA), Applicable Hard Disk Size: 22*30 / 22*42 / 22*60 / 22*80 M.2 SSD
Aliexpress
I could not find it on Aliexpress. 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 China. Only one coupon available!
Link: Banggood product page
1. ($22.87): BGWSCYT1
coupon code has to be applied in shop’s 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): BG81add7, BGd1b48c
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Price history (for all/most countries) for Yesunion M.2 Disk Enclosure M.2 NVME SATA SSD 10Gbps Type-C USB3.1 Gen2 is here.
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)).