2007-09-08 23:57:20 · 2 answers · asked by Raminder s 1 in Computers & Internet ➔ Hardware ➔ Add-ons
SATA-I was the "first-cut" at SATA and has a max speed of 1.5Gbs (Older IDE started at 33Mhz, and went up to 66, 100 and finally 133), so SATA-I is slightly faster at 150.
SATA-II is newer and is twice as fast as SATA-I (i.e. 300 or 3.0Gbs)
The specifications that govern the design of SATA II ensure that it is backward compatible with SATA I (like USB 1 and USB 2)
This means that the drives will work, but will only transfer data at half the designed transfer speed (buffer to host).
You can still use SATA2 on SATA1 devices. The plug configuration is the same. The only difference is that most SATA2 Hard drive come with a pin setting on them.
With this pin setting, you can switch back and forth between SATA1 and SATA2 speeds.
2007-09-09 00:02:32 · answer #1 · answered by N2FC 6 · 4⤊ 0⤋
SATA I drives transfer data at 1.5 Gb/sec. SATA II drives tranfer data at 3.0 Gb/sec which is twice as fast as SATA I. Future SATA drives are planned that will tranfer data at 6.0 GB/sec.
2007-09-09 00:25:04 · answer #2 · answered by Anonymous · 0⤊ 0⤋