Nope, we're suggesting the following:
3 SSDs: 2 for L2Arch, 1 for ZIl log.
2 USB 3.0 drives, for OS
Samsung Evo's will work for this, I'm just partial to the Intels as I've never had a problem with them. A 256gb is way overkill for a Zil drive, but you've got it already, so it'll work.
with...