8TB Drives, why is external cheaper than internal?

[Cyber-Mav]

as the title i been hunting around for a 8TB sata drive and noticed a trend where external enclosure drives are far cheaper than the bare internal drive itself.
this doesnt make sense since an external drive should be the one that costs more due to the additional casing and electronics etc.

so why is the bare internal drive more expensive?

 

[Cyber-Mav]

I am wondering the exact same thing. An external WD 8TB is £139, yet an 8TB Red is £240 -- what gives? The external is plenty fast (I have one). Very annoying. I want to just buy the external and shuck it, but I'm worried I will get zero warranty.

exactly what i mean. it baffles me as to how external drives can be more expensive with their additional cost of the external enclosure.
is it possible to take out the drive from the external ones or is it gonna void warranty?

 

[Cyber-Mav]

so is the wd mybook 8tb the best one to get thats gonna be a easy job of fitting it internally to the pc?