A:AnswerBest Buy changes sales regularly. It is the same product as if you were to buy directly from Dell. You won't receive a refurbished product you haven't asked for.
A:AnswerThe i7-7700HQ is a 2.8GHz base clock speed with boost speeds up to 3.8GHz.
https://ark.intel.com/products/97185/Intel-Core-i7-7700HQ-Processor-6M-Cache-up-to-3_80-GHz
A:AnswerThis has the Samsung pm961 which is a pcie ssd. Some people have reportedly been getting a Toshiba ssd which is also a pcie ssd but is somewhat slower than the samsung. However, I haven't heard of anyone getting the Toshiba from an XPS that was bought from best buy
A:AnswerIt's not. They all come with the same features and specs. Best Buy for some unknown and really bewildering reason added the bby to it's model. When they really should use it's actual model name in the title.