Incredible. After all the work Ninja went through debunking the AS5 myth it still gets a huge recommendation.
Link.
Please post a screenshot if you can of the 105
C temps. I'd love to see it. The Morgans were supposed to have a max die temp of 90C but it's possible you've got a rather robust one. However, don't plan on it staying very robust for very long at such temps. I keep seeing a picture of Bugs Bunny's eyes bulging every time the Abominable Snowman squeezed him. That's the sort of pressure you're subjecting that poor Morgan to and it will be close to folding if you keep it there. What are you using to monitor the temps?
There is no reason to consider using a 5400 RPM drive in desktops anymore.
EDIT: Sorry meant to reply to ezrolling, not Cap'n April.