OnePlus 9R 5G 8/256GB Snap870 Global ROM (Banggood, Aliexpress: , Card Extend: No, ROM: 256GB, CPU: Snapdragon 870 5G (7 nm) / Octa-core (1×3.2 GHz Kryo 585 & 3×2.42 GHz Kryo 585 & 4×1.80 GHz Kryo 585), OS: Android 11 / OxygenOS 11, RAM: 8GB, GPU: Adreno 650 (the best price with coupon)).
Price history, coupons and price alert are available on this page. What is best price?
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 Hong Kong. There is one great coupon!
Link: Banggood product page
1. ($584.97): Terence
this code has to be applied in your 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): BGOP9R56D, 13f142, BG9R2567, BGb81d84, BGD0C934, BGOP9R725, BG889172, BG25223e, BG348b74, BG0370ca, BG573e71, BG73fbb5, BG26255a, BG34b55b, BG43bdb2, BGa3adab, BG4026ec, BG3d74c8, BG88a37a, BGeffb9a, BGbe8a63, 2022ACTIESNL
(these coupons are old, so probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for OnePlus 9R 5G 8/256GB Snap870 Global ROM. The lowest price was: $469.
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)).