question about hard drives

spitfire1129 · 01-27-2008, 01:29 PM

wat is the difference between SATA I and SATA II? i have a dell dimension E521 AMD 3600+ dual core. Would I need to buy SATA I or II for extra internal hard drive?

belfasteddie · 01-27-2008, 03:38 PM

This table shows the real speed of SATA 1.5 Gb/s and SATA 3 Gb/s:
SATA 1.5 Gb/s SATA 3 Gb/s
Frequency 1500 MHz 3000 MHz
Bits/clock 1 1
8b10b encoding 80% 80%
bits/Byte 8 8
Real speed 150 MB/s 300 MB/s

spikeee · 01-27-2008, 11:49 PM

If you want to have better performance, yes, please buy the SATA II.

01-27-2008, 01:29 PM	#1 (permalink)
spitfire1129 Registered User Join Date: Aug 2006 Posts: 63 OS: win xp	question about hard drives wat is the difference between SATA I and SATA II? i have a dell dimension E521 AMD 3600+ dual core. Would I need to buy SATA I or II for extra internal hard drive?

01-27-2008, 03:38 PM	#2 (permalink)
belfasteddie tech hardware team Join Date: Aug 2007 Location: Belfast N.I. Posts: 1,552 OS: Puppy Linux 4.12	Re: question about hard drives This table shows the real speed of SATA 1.5 Gb/s and SATA 3 Gb/s: SATA 1.5 Gb/s SATA 3 Gb/s Frequency 1500 MHz 3000 MHz Bits/clock 1 1 8b10b encoding 80% 80% bits/Byte 8 8 Real speed 150 MB/s 300 MB/s

01-27-2008, 11:49 PM	#3 (permalink)
spikeee Registered User Join Date: Oct 2006 Location: Malaysia Posts: 113 OS: Win XP Pro	Re: question about hard drives If you want to have better performance, yes, please buy the SATA II.