Doug2507
Headphoneus Supremus
Their essentially the same drive. Maybe just a different area for manufacture / sale?I'm unsure which one of these would suit the K21?
PM893 3.84T SATA MZ7L33T8HBLT-00B7C
PM893 2.5 3.84T SATA MZ7L33T8HBLT-00A07
https://semiconductor.samsung.com/ssd/datacenter-ssd/pm893/
Identical when compared in the part finder.
I'd just find the best deal available, both are fine.