Conducted Noise; Voltage Tolerance; Power Balance - Seagate Exos Enterprise ST18000NM0092 Product Manual

www.seagate.com
2.5.1.1 Typical current profiles
Figure 1. Typical 5V and 12V startup and operation current profiles
2.5.2

Conducted noise

Noise is specified as a periodic and random distribution of frequencies covering a band from DC to 10 MHz. Maximum
allowed noise values given below are peak-to-peak measurements and apply at the drive power connector.
+5v = 250 mV pp from 100 Hz to 20 MHz.
+12v = 250 mV pp from 100 Hz to 20 MHz.
2.5.3

Voltage tolerance

Voltage tolerance (including noise):
5V ± 5%
2.5.4

Power Balance

Power Balance is supported to limit max drive power. Three modes are supported:
Full power/Full performance (default)

~12W Mode

~11W Mode

For your convenience, these Power Balance modes may be activated using SeaChest Utilities software available at
www.seagate.com
Seagate Exos 2X18 SATA Product Manual, Rev. A
12V ± 10%
or openSeaChest via GitHub.com.
Drive specifications
13