This SSD is not the scandisk + efficient but cheap it still allows speed up your pc. Personally I got less than 50 euros be monitored Amazon and specials. For my first ssd easy assembly, disconnect all serial ata reconu otherwise not reconnect after. My little gear core 2 duo E8400, 7 64 bit os on SSD, 500GB Seagate storage, graphics card ati hd 6850 Coolmaster 600 watts power all in a Zorro round.