, GPU: Adreno 610, Card Extend: Supports an external TF card up to 512GB (VFAT), ROM: 128GB UFS 2.2, CPU: Snapdragon 662 Octa Core, based on Android 10, OS: MIUI 12 for POCO, RAM: 4GB LPDDR4X, up to 2.0GHz.
You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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 Hong Kong. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGPM3128, BG12PM3128, Email5, BGPM312801, BG01PM3128, 7d18f7, BGPM38100, BGPM3LF, BGM3issa, BGXLPM3128, BGM3641, BGNEUM3, BG128M3CL, BG3dab3d, BGM32AFF1, BGM32AFF2, 13f142, BGM32AFF3, BG28ac00, BG1279d0
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi POCO M3 4/128GB Snap662 Global [EU] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi POCO M3 4/128GB Snap662 Global? There we go. The lowest price was: $129.
Price records source(s): Gearbest, 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)).