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Re: [OM] eSATA speed [was Western Digital My Passport Essential USB 2.0-

Subject: Re: [OM] eSATA speed [was Western Digital My Passport Essential USB 2.0-Powered External Drives]
From: "C.H.Ling" <ch_photo@xxxxxxxxxxxxx>
Date: Fri, 6 Feb 2009 20:41:08 +0800
Ok, I have overlooked the fast change in HD technology, two years ago many 
3.5" 7200rmp drives was still top at 40-50MB/s sustain rate. Now the 1.5T HD 
is up to 120MB/s, this really makes a big difference when comparing SATA and 
USB interface.

C.H.Ling

----- Original Message ----- 
From: "Moose"

> Oops, that's SATA, not STAT.
>
> While I'm at it again, in 1,048,576 byte MBs, that's 88.5MB/sec.
>
> Looks like what I said from the HDTune tests earlier in this thread was
> pretty accurate:
>
> "So at least for read speed, the 5x raw spec is optimistic for this
> drive. On the other hand, 85.4/27.2 is still 3x. To date, I've only
> filled part of the 1.5Tb drive, so I am still seeing something like the
> 90 MB/sec part of the curve."
>
> Yup, right around 90MB/sec., depending on he size of the megabytes.
>
>
> Moose wrote:
>>
>> OK. My backup drive arrived. I installed it today. I copied 
>> 527,945,113,600 bytes from one Seagate 1.5TB drive in the computer, 
>> attached to the MB STAT header to an empty, identical drive mounted in
>> the eSATA docking station. Time to copy it all using SyncBack was
>> 1:34:51, = 5691 sec.
>>
>> That's 92.8MB/sec., in marketing megabytes. However you look at it, it's
>> LOTS faster than USB 2.0 HSE.
>>
>> Moose

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