Basically copy coupon, view price history or create e-mail price alert. What is best price?
-Support HDD: support 2.5” SATA-I /SATA-II and SATA-III HDD or SSD, -Color: Transparent /Brown /Frosted White, -Material: Plastic, -HDD Thickness: 9.5mm and below, -Product Name: 2.5”SATA hard drive external enclosure, -Size: 128*79*13mm, -Output interface: USB 3.0 Micro B, -Length of data cable: 1.6Ft
Aliexpress
There’re some similar (or not) items 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. I found coupon for you. Check this out.
Link: Banggood product page
1. ($6.33): BG589b2e
apply code in your basket (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): BGdf6f19, BG90d938, BGWSCYT1, BGde2f67, BGc209d1
(these coupons are old, so probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for MnnWuu SATA3 to USB3.0 Hard Drive Enclosure.
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)).