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0 votes
0 answers
61 views

USB Hub with USB-A male input, will it damage my computer?

I bought this hub from temu.com recently and I actually really like it. I can leave it clamped on my desk with all my peripherals plugged in, and then just connect 1 wire when I need them. It doesnt ...
Technobulb's user avatar
0 votes
0 answers
366 views

How to know if USB hub receives enough power to power all my applicants/devices(used bandwidth)?

I have USB type c that connects these devices: (1) 2 TB SSD (2) Ethernet network (3) Mouse (4)Keyboard (5)Aux speakers. I was wondering if the hub receives enough power or not from a single type c ...
fatFeather's user avatar
1 vote
1 answer
8k views

Power rating of USB 3 type A and type C

Almost all modern motherboards have a type c connector on the I/O Shield. I checked many manufacturers but they do not state how much power delivers through this tyoe c connector. I know a normal USB2 ...
DEKKER's user avatar
  • 175
4 votes
4 answers
28k views

What is the maximum power supplied by a USB 3.0 port?

USB 3.0 specifies 900mA (0.9A) per port. What happens when you plug a non-powered (no AC adapter) hub into an USB 3.0 port? Do all of the items plugged into the port need to use 900mA maximum total ...
End Antisemitic Hate's user avatar
5 votes
4 answers
13k views

Will a single USB 3.0 port power two 2.5" hard drives?

Will a single USB 3.0 port have sufficient power (via a non-powered hub) to run two external 2.5" platter hard drives (the type that don't require an AC power adapter)? The hub is a Sabrent 4-Port ...
End Antisemitic Hate's user avatar
-1 votes
1 answer
90 views

Do USB power supplies send signals indicating energy level being delivered?

Do USB power supplies send signals to tell the connected device (tablet/phone/camera) how much power is being supplied? Or, is measuring it the only way for the device to know how much energy is ...
End Antisemitic Hate's user avatar
1 vote
1 answer
1k views

Is it safe to power a 140mA laptop cooler pad off a USB 3.0 port?

I have acquired a laptop cooler pad that connects to a USB port for power. The problem is it draws 140mA. That's more than a dumb device is allowed to draw off USB 2.0 (max is 100mA unless the device ...
misha256's user avatar
  • 11.4k
2 votes
1 answer
12k views

Power capabilities of USB 3.0 vs 2.0?

I'm currently buying some new USB micro cables for my Samsung Galaxy S5. It supports both USB 2.0 micro and USB 3.0 micro connectors. Will I see better charging times when using the USB 3.0 cable ...
Naftuli Kay's user avatar
  • 9,651