如果我們不知道，
1.我們不在行內，不一定需要知道，也不會影響生活
2.基於求知，要查，一定查得到

WIKI關於SATA就也提到資料，3.1最主要就是增添了些規範與功能
當然是關於硬碟電氣與資料方面規範，
不信自己看，也許可以幫助入眠

SATA revision 3.1

New:

- mSATA, SATA for solid-state drives in mobile computing devices, a PCI Express Mini Card-like connector which is electrically SATA
- Zero-power optical disk drive, idle SATA optical drive draws no power
- Queued TRIM Command, improves solid-state drive performance
- Required Link Power Management, reduces overall system power demand of several SATA devices
- Hardware Control Features, enable host identification of device capabilities
- Universal Storage Module, a new standard for cableless plug-in (slot) powered storage for consumer electronics devices


SATA revision 3.2

SATA Express
μSSD