Raspberry Pi 4 Power Consumption Concerns with Multiple SSDs for Hosting Encrypted Cloud
March 3, 2024, 19:13
Hi there,
I'm using a Pi4 with three SSDs (128GB, 512GB, 512GB) attached to a USB 3.0 hub, which is in turn connected to a USB 3.0 port on the Raspberry Pi. I'm currently hosting an Encrypted Cloud on it. Do you think the Raspberry Pi can handle the power consumption from all these devices? A corrupted bit could result in an inaccessible file.
Run sudo lsusb -v|egrep "^Bus|MaxPower"*
That will tell you the max power consumptions for the SSDs and other USB connected devices.
Well... Nothing happens
And if the combined current is over 1,2A then it is a no
Oh egrep
my bad
bash
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MaxPower 0mA
Bus 002 Device 005: ID 152d:0576 JMicron Technology Corp. / JMicron USA Technology Corp. Gen1 SATA 6Gb/s Bridge
MaxPower 896mA
Bus 002 Device 004: ID 174c:1153 ASMedia Technology Inc. ASM1153 SATA 3Gb/s bridge
MaxPower 0mA
Bus 002 Device 003: ID 174c:1153 ASMedia Technology Inc. ASM1153 SATA 3Gb/s bridge
MaxPower 0mA
Bus 002 Device 002: ID 0bda:0411 Realtek Semiconductor Corp. Hub
MaxPower 0mA
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
MaxPower 0mA
Bus 001 Device 003: ID 0bda:5411 Realtek Semiconductor Corp. RTS5411 Hub
MaxPower 0mA
Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub
MaxPower 100mA
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MaxPower 0mA
Seems like it isn't
But that is only one SSD
That is consuming nearly 900mA
You can do a watch -n1 'lsusb -v|egrep "^Bus|MaxPower"' that will see if a new device is connected and show the power consumption
Do you think I should buy a Powered Hub?
For those three ssds
It looks like it yes
Okay... Thank you so much!
Your welcome