Is it powered by thunderbolt?Isn't there external power source for the hard drive
374479
When I bought mine about three months ago I believe there was no power supply in the box? I was not happy given the expense of the HD and then this item. So I bought the power supply. It was either missing the power supply or the Thunderbolt cord. Inspite of feeling nickel and dimed to death when the entire pkg came together Shazam incredible download speed!
374480
This unit has a power supply. I had a 1TB SSD that needed extra power to work, and this did the trick.
374481
It comes with an external power supply. The thunderbolt is for data transfer only.
374482
This is the adapter only for a Thunderbolt interface, the drive itself is a separate purchase, you can by various sizes and I believe the standard interface is USB 3.0. You can also daisy chain devices, I use two external drives on my Mac mini, this with a 2tb drive for my ITunes library and portable 1tb Seagate drive for time machine backup.
954136
No, it is powered by plugging into an electric outlet. The USB provides a connection into your computer. This not a bus powered drive, neither it is portable.
1291897
It is a powered hub. The only thing I haven't been able to connect was an Apple SuperDrive.
271411
Errr... no. It's a Thunderbolt drive. The Thunderbolt adaptor is to connect a FW device to a TB connector on the computer.
1824332
This item includes the following: G-DRIVE with Thunderbolt External Hard Drive Universal AC Power Supply (1) Thunderbolt cable (1) USB Cable (USB 3.0/2.0) Quick Start Guide
115479
Yes, it does have it's own power cord and it does have two thunderbolt outlets to hook up to your computer and then daisy chain up to 5 additional devices for a total of 6. This adapter does not come with a cord but if you purchase one with the drive, the cable does come included.
672883
You need the 2 ports to power the HDD. Depends on your hard drive model only one port may not be enough.
389751
Power is provided internally via sata connection or you need an external enclosure if not installing internal drive.
926263
The drive came with a USB cable and a power adapter. I already had a WD 3TB HD for my mac. It has worked so well that I decided to get another one. Haven't had any problems with either.
81484
Is the power adapter necessary for this drive or will it run off he computer battery if needed?
385410
There is no power switch on the 3 TB drive. The disk will, however, spin down when the host machine is off.
259146
No. It requires external power for the drives and most other USB-powered devices. I ended up connecting my non-powered USB devices into the hub and those requiring power directly into my iMac. Fortunately, I had sufficient devices that didn't need power that it worked.
1304278
You don't need an adaptor my MacBook Pro powers the drive no problem. If you find you need additional power for the drive there is a problem with the drive contact GTech.
687561
The hub has one high output power port on the side, that uses the AC adapter. The other 3 ports seem to run power through the main line without the AC adapter. How much power are you going to need to run you Hard drive, I don't know. I do know that my iPad only will charge with the power plugged in and it hooked into the high output port.
343796
To my knowledge, the larger ones (1TB +) seem to have external power. The smaller ones (less than 1TB) are just powered by USB. Those are the ones I have anyway.
1044534
When I ordered this it came with a thunderbolt cable. There are thunderbolt and thunderbolt 2 cables available, this one uses thunderbolt (not "2").
1399988
I assume you plugged it into USB 3.0, right? Most USB 2.0 ports will not provide enough current to power an external HDD.