Seifelden 120GB Hard Drive for Sony VAIO PCG-Z600TEK (Certified Refurbished) This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com Free 3 year Free Replacement Warranty from Seifelden Improve the performance of your computer and replace your hard drive. Finish your work faster. Upgrading your hard drive is the easy and fastest solution to increase the speed of your computer 100% Guaranteed Compatible Upgrade for the listed computers models