OWC 120GB Mercury Electra 3G SSD, 2.5" Serial-ATA 7mm Solid State Drive 120 GB 2.5" Serial-ATA 7mm Solid-State Drive, delivers the highest transfer speed, endurance, and performance available today! Sustained reads up to 285MB/s and writes up to 275MB/s up to 100X greater data protection than enterprise class Hard Disk Drives Compatible with nearly any Mac or PC with a Serial ATA connection (SATA, SATA 2.0, or SATA 3.0)-(Compatibility list Below) 3 Year OWC Limited Warranty <span class="a-text-bold">DuraWrite</span>extends the endurance of your Solid State Drive (SSD). <span class="a-text-bold">Intelligent Block Management &amp; Wear Leveling</span>automatically distributes data evenly across the entire SSD. <span class="a-text-bold">Intelligent Read Disturb Management</span>spreads the active read/write across the flash components eliminating data corruption caused by constant use. <span class="a-text-bold">Intelligent &#034;Recycling&#034;</span>for advanced free space management gradually re-writes data across the SSD over time to ensure data never gets corrupted. <span class="a-text-bold">RAISE</span>(Redundant Array of Independent Silicon Elements) protects the data on your drive similar to having a RAID setup. <span class="a-text-bold">Best-in-Class ECC Protection</span>for longest data retention and drive life. MacBookPro9,2  MacBookPro9,1  MacBookPro8,3   MacBook Pro8,2 MacBookPro8,1   MacBookPro7,1  MacBook Pro6,2  MacBook Pro6,1 MacBookPro5,5   MacBookPro5,4  MacBook Pro5,3  MacBook Pro5,2  MacBook Pro5,1 MacBookPro4,1   MacBookPro3,1  MacBook Pro2,2  MacBookPro2,1 MacBookPro1,2   MacBookPro1,1 MacBook7,1   MacBook6,1   MacBook5,2   MacBook5,1 MacBook4,1   MacBook3,1   MacBook2,1   MacBook1,1 MacPro5,1   MacPro4,1   MacPro3,1  MacPro2,1  MacPro1,1 Macmini6,2   Macmini6,1 Macmini5,3   Macmini5,2   Macmini5,1 Macmini4,1 Macmini2,1 Macmini1,1 Xserve3,1