if it is refurbished, they must declare.
Ebay sides seller, if it is not as described, you can get refund.
Of course, you reminded me that Amazon is even stricter, some are fulfilled directly by amazon. You can refer to these Amazon listings......
https://www.amazon.com/dp/B06X9PHY9Y - Acer 15in
Touchscreen, i5-6200U Processor, 8GB, 256 SSD
https://www.amazon.com/dp/B075RSR8QP - HP 15in
Touchscreen, i5-7200U Processor, 8GB, 128 SSD