# hdparm -itT /dev/sda

/dev/sda:

Model=Hitachi HDP725050GLA360 , FwRev=GM4OA52A, SerialNo= GEA530RE2E6LKE
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=56
BuffType=DualPortCache, BuffSize=15118kB, MaxMultSect=16, MultSect=?16?
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=976773168
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6
AdvancedPM=yes: disabled (255) WriteCache=enabled
Drive conforms to: unknown: ATA/ATAPI-2,3,4,5,6,7

* signifies the current active mode

Timing cached reads: 5394 MB in 2.00 seconds = 2698.91 MB/sec
Timing buffered disk reads: 270 MB in 3.01 seconds = 89.76 MB/sec

こんな感じで？
でもちょっとうるさくない？