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  1. #1

    Member Since
    Oct 22, 2007
    How to know hard drive transfer rate?
    Hi there,

    This is a noobee query! I've got this mac pro in the studio.
    It has fcp on it patched through aja kona LH.
    Memory is internal only. No RAID. That is a problem if i want to capture or record video if the hard drvie doesnt have the high transfer rate required for uncompressed 10 bit.

    How do i check the transfer rate of my internal drive.
    In the info it says
    Serial ATA: Intel ESB2 AHCI
    Speed: 3.0 Gigabit

    What does it tell about transfer rate? Is there any other place i should check?

    Appreciate ur help.


  2. #2

    Member Since
    Apr 28, 2006
    iMac Core Duo 20", iBook G4, iPhone 8GB :)
    Go to the Activity Monitor and the HDD tab. I don't think it's the most accurate way to know things though....

  3. #3

    mac57's Avatar
    Member Since
    Apr 29, 2006
    St. Somewhere
    iMac 27" 3.4 GHz, 256 GB SSD, 2 TB HDD, 8 GB RAM
    If you are willing to spend a little money, you could get SpeedTools:

    The honest truth is I bought this package for this very reason: I wanted to benchmark the hard drive performance and I couldn't find any other way. I was very pleased with the results.

    Of course SpeedTools comes with TONS of other goodies. Have a look at the above link. I would heartily recommend it.

    Oh.... and WELCOME to Mac Forums!!!
    My Macs: iMac 27" 3.4 GHz, Mac Pro 3.2 GHz, PowerMac G5 Quad 2.5 GHz, G4 Cube with 1.2 GHz Upgrade
    My iStuff: 64GB iPhone 5, 64GB iPad4, 30GB iPod Video, 16GB iPod Touch
    My OS': Mac OS X Lion, Mac OS X Snow Leopard, Mac OS X Tiger, Mac OS 9.2.2, openSUSE 10.3
    I was on the Mac-Forums honor roll for September 2007

  4. #4

    Member Since
    Oct 22, 2007
    Thanks mac57!

    Unfortunately I will need to check the spec with what I have for now.

    FCP manual says Serial ATA has theoretical data throughput limit of 150 MB/sec. I wonder if it means I can capture Uncompressed SD video (24 MB/sec) safely?
    Trouble is, the Digibeta VTR hasn't arrived yet, so can't try it out!

    Any inputs much appreciated!

  5. #5

    Member Since
    Apr 28, 2006
    iMac Core Duo 20", iBook G4, iPhone 8GB :)
    I get a steady 33mBps of data transfer from my WD MyBook firewire400 external drive. The maximum should be 50MBps for firewire400 and 100mBps for firewire800. I don't think any 'normal' drive touches those speeds. 24mBps is within safe limits...

    Though you can forget about these kind of transfers on USB....

  6. #6

    andrebnu's Avatar
    Member Since
    Mar 18, 2007
    Blumenau, Brazil
    MacBook Pro 2,33GHz C2D 2GB RAM 256MB video + LCD Samsung 20" 206BW + Maxtor OneTouch III 500GB
    there's actually a free option called MBBench
    If you believe you can do something, you can.
    If you don't think you can do it, you can't.
    Either way, you're right!

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