8GB DDR4 RAM 128GB Expandable SSD, 0.3MP Webcam for Video Chatting and Meeting, 15.6 inch 95% Ratio IPS Screen with 1920x 1080 Resolution, Backlit Keyboard with Number Keys, Windows 10 OS Installed, Intel HD Graphics 550 GPU 600MHz Frequency, Intel Core i3-6157U Duad-Core Four Thread 2.4GHz.
Just check coupons out (with price alert and history). Let’s see what best price is ATM.
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. Only one coupon available!
Link: Banggood product page
1. ($474.19): 13f142
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): Email5, BGCENI3, 7d18f7
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Price history (for all/most countries) for CENAVA F158G 15.6inch i3-6157U 8/128GB Notebook is here. The lowest price was: $299.99.
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)).