Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Brand Yesunion, Size (L*W) 110x 23mm, Hard Disk Protocol “M.2 NVME (PCIe protocol) & M.2 SATA SSD Fit for M.2 (M Key/B+M Key) SSD”, External Interface USB 3.1 Type-A, Support SSD Size 2230/2242/2260/2280 mm, Material PCBA, Support Capacity 2TB, Product Type M.2 Hard Drive Adapter Card, Model M2008, Transmission Speed 10Gbps
Aliexpress
I could not find it 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 China.
Link: Banggood product page
1. ($20.23): BGWSCYT1
2. ($21.15): BG8ReviTrage
3. ($21.61): BG00c906
paste coupon code in your cart and click Apply 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): BG67102c, BGJUNEGSG9, Cuponation9
(probably won’t work, but you can try them out)
Price history and price alert
Here is price history (for all/most countries) for Yesunion M.2 NVMe PCIe to USB 3.1 Hard Drive Adapter 10Gbps M.2.
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)).