Malke said:
On the contrary, you are wrong. Many external enclosures for laptops
don't
come with a power cord. Sometimes they come with two USB cables instead.
And the fact that a (possibly cheap) enclosure simply will not work with
a
particular computer is not uncommon.
Please post a link to your MVP profile.
Malke
THE C. [MS MVP] wrote:
Not very good adivce for the OP Malke! Just about all usb 2.5
enclosures
come with a usb power cord in additon to the USB data cable. This
depends
on the drive being 4200RPM or 5400RPM which in my experience the power
cord is required for all 7200RPM drives and some 5400RPM drives re:
power
issues with USB devices.
THE C. said:
I own 7 of these USB enclosures with Notebook drives in them. Take a very
close look at your "I am wrong" statement at newegg.com. 9 out 10
enclosure
come with a seperate USB for power and data USB cables. You are wrong
Malke.
I will not disrespect anyone, unless they try to do it to me. (SNIP)
Charles:
Actually, based upon our experience with dozens of USB external enclosures
designed for laptop/notebook 2 1/2" HDDs, Malke is correct in that the
majority of these devices (unlike USB external enclosures designed for 3
1/2" HDDs) do *not* include an auxiliary power supply (adapter), but rather
rely on the power supplied by the USB bus provided by the laptop/notebook.
As you probably know, and as Malke indicates, many of these device are
equipped with a 2-headed (Y-type adapter) USB cable so that sufficient power
will (usually) be supplied through two USB ports on the laptop/notebook.
While some of these USB enclosures designed for 2 1/2" hard drives *do*
include an auxiliary power supply, many (if not the majority in our
experience) do not contain such. You are fortunate that (apparently) the
enclosures in your possession have an auxiliary PSU/adapter. We generally
advise customers in the market for these devices to (preferably) purchase
one that does have an auxiliary PS/adapter or at the minimum is equipped
with a dual-head (Y-adapter) type of USB cable since we have experienced
problems with those units that do not contain such since the laptop/notebook
frequently will not provide sufficient power for the device using a single
USB cable with no auxiliary power to the device.
Since you mentioned newegg, you might want to take a look at their extensive
offerings of USB external enclosures for 2 1/2" drives at...
http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=2010090092 1053807124&name=2.5"
While I haven't made a count, I'm sure a substantial number (if not a
majority) of these devices do not include auxiliary power adapters.
Anna