1
vote
1answer
432 views

Can USB 2.0 power a USB 3.0 external HDD?

I'm on the verge of buying myself a new bus-powered USB 3.0 2.5-inch external hard drive. However, my computer only has USB 2.0 ports on it. I understand that the USB 3.0 HDD will simply run slower on ...
0
votes
1answer
89 views

Is it safe to use a power adapter with a hard disk which has output current 60% of the startup current required by hard drive?

When I was checking my external hdd Buffalo HD-LX2TU3, I found the startup current of Seagate ST2000DM001 (aka Barracuda or Desktop HDD) in it is 2.5A and output current of the adapter comes with ...
0
votes
2answers
266 views

How to power 2.5" USB harddisk from ASUS WL500gP v2 router

I would like to connect my 2.5" Seagate HDD to ASUS WL500gP v2 router and use it for file sharing. The HDD or it's enclosure doesn't have external power cord, it has only one (single) USB cable to ...
-1
votes
2answers
2k views

Replacement power cord for a Western Digital external HD. Can I use a different amperage on this one?

I lost the power cord of my Western Digital HD Model #: WD5000C037 S/N: WCAPW4090648, now, I can't find what is the right power cord since I don't have the specs, and while looking for it online, I ...
0
votes
2answers
182 views

USB hard drive with 2 connectors; can I plug one into the wall for power?

I've got a USB 2.0 hard drive enclosure which came with a cable with 2 plugs on it. I know that this is done so that it can draw more power if necessary. If the hard drive can't draw enough power ...
2
votes
0answers
291 views

Seagate external hard disk does not power down

When my computer is off, this external hard disk remains on, consuming power. It is permanently warm, and inside components are active (perhaps the fan?). I have a UPS for the system so a complete ...
0
votes
2answers
250 views

Powering multiple external 12v devices (HDDs and Media player)

I have two x 2TB external HDD drives with their individual 12 external power adapters and their usb outputs connected to a media player, which also has a 12 v external power adapter. What I'd like to ...
1
vote
1answer
1k views

Linux - turn off externally powered drive

I'm running Debian (Raspbmc). I have a number of external hard drives connected via USB. These HDD are powered by an external power supply. Since I often fall asleep while watching movies, I want to ...
1
vote
3answers
5k views

Would this AC adapter work with this external HDD enclosure?

So I've lost the adapter that came with my external HDD enclosure, but I have a pile of AC adapters, most are under-powered. This one is the closest, but it seems like the enclosure needs a little ...
1
vote
1answer
10k views

How much power does a Western Digital Passport Essential SE require?

I have looked at the Western Digital website for my product (WDBACX0010BBK) and cannot find how much power the device requires. The device is not recognized when I plug it into my keyboard's USB hub. ...
0
votes
2answers
1k views

Can the length of the USB cable be the cause of a non-working external hard drive?

I have this old external hard drive, 80 GB, nothing too fancy, that is powered entirely by USB. The problem is that it keeps disconnecting itself. I remember that I tested it with a short cable (15 ...
0
votes
1answer
219 views

Techniques to find out USB 2.0 power issues

I have a Dell Precision T3400 on Windows Xp Pro Sp3 and whenever i connect an external Hard drive, it dies after a few seconds. However the drive works fine in other computers. How can I debug USB ...
0
votes
1answer
1k views

Self-powered USB hub and power supply adapter ampere capacity

I am looking for a power supply adapter for my USB Hub so it can support at least 2 bus-powered external hard drives. The hub's rating is 5 volts, 2 amperes. I would like to know if it would be OK ...
4
votes
3answers
2k views

Which power USB hub uses if it has external power supply as well

I have 7 port USB hub with external supply. I tried turning it off by removing external power but then it takes power from motherboard and is still working. I have many external hardrives connected ...
2
votes
2answers
205 views

External hard drive

I want to buy an external hard drive enclosure for may laptop and was curious about the power required to use it. I want to be able to use it anywhere. I want speed when I need it through ESATA and a ...
2
votes
2answers
109 views

Options for connecting an external disk to an old laptop

I've tried connecting a 2.5" external drive to an old laptop which has only USB 1. The LED on the disk lights up, but the disk doesn't seem to spin up. Since the same disk works fine on a newer laptop ...
3
votes
2answers
5k views

How much electricity does an external USB hard drive use when it's not being used?

My external USB hard drive requires its own power source. I noticed that if I don't use it for a while, and then try to access it later, it takes a while to startup, meaning that it was in some kind ...
1
vote
2answers
1k views

External hard drive that gets its power supply from the PC

I need an external drive to connect to my MacMini. I've been using an 80gb 2.5 drive in an enclosure and it's fine, but now I need a 1.5TB drive. Unfortunately all the 1.5TB drives I found need a ...
2
votes
2answers
656 views

2.0 speeds on USB hub?

How capable are USB hubs? I have an AirPort Extreme router with a printer attached (it's not powered by USB). I want to extend this and add two hard drives (one for Time Machine and the other for ...