Asus ROG Gaming Laptop (Refurb): i7-4720HQ, GTX 970m, 16GB DDR3, 1TB HDD, 1080p $790 + Free Shipping

eBay seller refurbforless has Asus ROG Gaming Laptop (Refurbished, G751JT-CH71) on sale for $789.99. Shipping is free.
this is 10$ cheaper than
Specs:
Intel Quad Core i7-4720HQ 2.6GHz Turbo 3.6GHz CPU
17.3" IPS (1920×1080)
16GB DDR3L Memory (32GB Max with 4 memory slots)
1TB Hard Drive (internal M.2 slot available)
GTX 970M 3GB GDDR5
4 x USB 3.0
1 x HDMI
1 x Thunderbolt port
1 x VGA
Backlit Keyboard
WiFi + Bluetooth 4.0
8-cell Lithium Ion Battery
Win 10 64 Bit
for upgrade please find the upgrade guide here
Upgrade Guide
Please note the return policy from this seller :
Please request for RMA number before sending the unit/s. Within 14 days of receiving an item, an incorrect, defective or not as described item may be returned for a full refund including all shipping charges. Returns for any other reason must be made within 14 days and are subject to a restocking fee of 15% with no refund on shipping charges and ebay fees (5%). After 30 days, if an item is returned because of an issue or defect, it can only be replaced. If an item is not available within 15 days after we receive the item, we can either offer you a comparable model or refund.