10-30-2009 10:52 AM
Hello berlin-fun_54, welcome to Lenovo forums!
No, you´ll need a 9,5mm hdd.
Here you´ll find a good overview about which ones will work and how much speed could be expected.
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I´m a volunteer here using ThinkPad X1 Carbon 5th Gen. Silver Edition, ThinkPad 13, Yoga 900, ThinkPad T430s, IdeaCentre B540.
TIP: If your computer runs satisfactorily now, it may not be necessary to update the system.