It won't fit in ANY normal laptop, and it's not intended to. A lot of servers use 2.5" x 0.5" drives these days, both SATA and SAS. It makes tons of sense for

It won't fit in ANY normal laptop, and it's not intended to. A lot of servers use 2.5" x 0.5" drives these days, both SATA and SAS. It makes tons of sense for 10k+ RPM drives, as the platters are smaller anyway and a 3.5" x 1" enclosure just wastes precious space.