320GB 2.5" SATA Hard Drive Compatible for Dell Studio 14 1435 1440 1450 1457 1458 14z 15 1535 1536 1537 1555 1557 1558 1569 15z 17 1735 1736 1737 1745 1747 1749 P02E P03G P06F PP17S PP24L PP31L PP33L PP35L PP39L PP40L Notebook Laptop Compatible 320GB for Laptop Notebook Hard Drive Interface : SATA / Capacity : 320GB RPM : 5400RPM / Cache : 8MB / Size : 2.5 Inchs Approximate Dimensions: 70mm W x 100mm D