System: Android 7.1, Processor: RK3328, GPU: Mali-450MP2, 4GB RAM, 16GB ROM, Maximum External Hard Drives Capacity: 4TB.
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Updated:
Banggood
Warehouse in China.
Link: Beelink A1 4/16GB TV Box US Plug
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons:
1. First page
2. Second page
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Beelink A1 4/16GB TV Box ($-3)
2. China – Beelink A1 4/16GB TV Box UK Plug ($-3)
Price history and price alert
Here is price history (for all/most countries) for Beelink A1 4/16GB TV Box US Plug. The lowest price was: $49.99.
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)).