Seagate Savvio 15K.1 in Storage News & Reviews Posted May 10, 2007 · Report reply Exactly, this means 1U + RAID5 becomes a reality for servers. Increased density for NAS sounds good too. And the low power dissipation means no headaches about cooling.What i want to see now is racks and hot swap disk cases using this form factor, most are meant for 3.5". A Tyan barebone rack ready for 2.5" SAS hotswap array would be great Supermicro has been selling hotswap SAS racks for this form factor for about a year. For example the CSE-M28E1 holds 8 2.5" SAS disks (or SATA) disks.