Table 15 Sata Power Consumption, 6Tb, 4K; Power Supply Current - Western Digital Ultrastar DC HC310 Specifications

6.3.2

Power Supply Current

6.3.2.1 SATA, 6TB, Block Size 4k, 6Gb/sec
Model: SATA @ 6Gb/sec
Block size: 4k
Start up Peak DC [1]
Start up Peak AC
Idle_0, Avg
Idle Ripple
Random Peak [4]
Random RW 8kB Qd=1 Avg
Random RW 4kB Qd=1 Avg
Random RW 4kB Qd=4 Avg
Random R 4kB Qd=8 Avg [5]
Sequential Read Peak [4]
Sequential Read Avg [2]
Sequential Write Peak [4]
Sequential Write Avg [2]
Power Save Modes
(PHY state: Active)
Idle_A
Idle_B
Idle_C
Standby_Y
Sleep, Standby_Z
PHY power condition
Partial
Slumber
Notes
Sample size
Temperature
Write Cache Enable
Bandwidth
PHY
[1] 200ms windowed average
[2] Max transfer rate
[3] Power saved compared to Idle_0
[4] Maximum single peak in test samples
[5] Maximum power workload

Table 15 SATA Power Consumption, 6TB, 4k

Current
IO/Sec +5V Amp
40
138
202
230
Current
+5V Amp +12V Amp
0.21
0.12
0.12
0.12
0.11 0.005
10 HDD per model
DE temperature = 40°C (25°C for Spin up)
Off
All measurements are bandwidth limited to 20MHz
Single port, 6Gb/s
Western Digital Hard Disk Drive OEM Specification
6TB Model
Current
+12V Amp
0.32 1.53
0.59 2.07
0.21 0.40
0.13 0.29
0.52 1.85
0.23 0.49
0.23 0.59
0.24 0.81
0.24 0.81
0.62
0.52 0.42
0.48
0.42 0.46
Power
Watts
0.40 5.9
0.34 4.7
0.25 3.6
0.25 3.6
0.6
21
Power
Watts
5.9
7.0
8.2
11.0
10.9
7.6
7.6
Power Recovery
Saved
12V DC
Watts[3]
Peak
0.0
1.2
2.3 1.00
2.3 1.00
5.3 1.56
0.2
0.2
[1]
12V AC
Peak
1.17
1.17
1.78