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Power Management
What are the power states for Hub 2S?
• Ready. PC on (ACPI S0 state), monitor on at full image brightness.
• S0 sleep: PC in standby (Windows Modern Standby), monitor off (VESA DPM off – 5W).
• S5. PC in system shutdown state, lowest power state, monitor off (0.3W).
Is Hub 2S Energy Star certified?
Pending certification.
Can connecting a USB-A or USB-C hub impact power delivery to the peripheral?
Yes, power output from ports is fixed.
How does Surface Hub 2S comply with power efficiency standards?
No-compute on-mode power
usage
• Less than or equal to 165 W out of box,
video source only.
• Less than or equal to 65 percent of max
brightness.
All-in-one sleep mode power
demand (modern standby)
• Less than or equal to 5 W.
Off mode power demand (S5)
• Less than or equal to 0.5 W.
Internal power supply
efficiency
• Greater than or equal to 90 percent at 50
percent rated output.
• Greater than or equal to 87 percent at 20
percent and 100 percent rated output.
Does Surface Hub 2S require additional cooling?
No.
Sensors
What motion detector capabilities are included?
Surface Hub 2S ships with occupancy sensor via a custom Doppler radio running at 9.45 GHz, 10.525 GHz,
or 10.585 GHz (variable depending on region). It’s primarily designed to wake up the system when
entering a conference room.
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