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C141-E116-01EN1 - 6
(3) Current Requirements and Power Dissipation
Table 1.3 lists the current and power dissipation.
Table 1.3 Current and power dissipation
Typical RMS current (*1) [mA]
Mode of Operation
+12 V +5 V
Typical Power (*2) [watts]
Model MPG
3204AH-E
MPG
3307AH-E
MPG
3409AH-E
All
Models
MPG
3204AH-E
MPG
3307AH-E
MPG
3409AH-E
Spin up 1950 peak 1950 peak 1950 peak 800 peak 27.4 27.4 27.4
Idle (Ready) (*3) 350 400 400 490 6.7 7.3 7.3
R/W (On Track) (*4) 370 450 450 600 7.4 8.4 8.4
Seek (Random) (*5) 480 540 540 570 8.6 9.3 9.3
Standby 18 18 18 120 0.8 0.8 0.8
Sleep 18 18 18 120 0.8 0.8 0.8
Energy efficiency (rank) (*6) [watt / GB] 0.327 (A) 0.237 (B) 0.178 (B)
*1 Current is typical rms except for spin up.
*2 Power requirements reflect nominal values for +12V and +5V power.
*3 Idle mode is in effect when the drive is not reading, writing, seeking, or executing any commands. A portion of the R/W circuitry is powered down,
the spindle motor is up to speed and the Drive ready condition exists.
*4 R/W mode is defined as 50% read operations and 50% write operations on a single physical track.
*5 Seek/W/R mode is defined as 33% seek operations, 33% write operations, and 33% read operations.
*6 Energy efficiency based on the Law concerning the Rational Use of Energy indicates the value obtained by dividing power consumption by the storage
capacity. (Japan only)