Received on time, without any particular problem. This is the last model I received with 3 trays (WD20EARS-00MVWB0). Formatting ... I will give you my impressions after formatting. At that price, the cheapest in the market and with free shipping, do not deprive yourself, this is a great hard drive for storage. Formatting 5h, formatted capacity 1.81To ... max transfer speed eSATA 61Mo / s enough for a storage disk, but low for a system disk! At first my disk management software sees the disc with 4 instead of 3 !!! Nevermind, it heats little walk it in 12 hours did not exceed 30 ° C. I put that 4 stars for the lack of information the site amazon