Sony 15.5" VAIO VPCSE2KGX/B Laptop PC: Key Features and Benefits: Intel i7-2640M processor 2.80GHz, 4MB Cache 4GB DDR3 SDRAM system memory (expandable up to 8GB) Gives you the power to handle most power hungry applications and tons of multimedia work 256GB solid state drive Store 170,000 photos, 73,000 songs or 134 hours of HD video and more DVD-RW Watch movies, and read and write CDs and DVDs in multiple formats 10/100/1000Base- T Ethernet, 802.11a/b/g/n Wireless LAN Connect to a broadband modem with wired Ethernet or wirelessly connect to a Wi-Fi signal or hotspot with the 802.11a/b/g/n connection built into your PC 15.5" Full HD LED-backlit display AMD Radeon HD 6630M Graphics with 1GB dedicated graphics memory Additional Features: Bluetooth 2.1 + EDR HD webcam with built-in microphone... Less

Sony 15.5" VAIO VPCSE2DGX/B Laptop PC: Key Features and Benefits: Intel i7-2640M processor 2.80GHz, 4MB Cache 6GB DDR3 SDRAM system memory (expandable up to 8GB) Gives you the power to handle most power hungry applications and tons of multimedia work 750GB hard drive Store 500,000 photos, 214,000 songs or 395 hours of HD video and more DVD-RW Watch movies, and read and write CDs and DVDs in multiple formats 10/100/1000Base- T Ethernet, 802.11a/b/g/n Wireless LAN Connect to a broadband modem with wired Ethernet or wirelessly connect to a Wi-Fi signal or hotspot with the 802.11a/b/g/n connection built into your PC 15.5" Full HD LED-backlit display AMD Radeon HD 6630M Graphics with 1GB dedicated graphics memory Additional Features: Bluetooth 2.1 + EDR HD webcam with built-in microphone... Less

8GB Total. Two 4GB PC2-6400 200 pin SODIMM DDR2 800MHz for HP. LIFETIME WARRANTY. Major brand memory. We do not sell "OEM" memory which may be incompatible, unstable or prone to early failure. 64-bit operating system is required to use over 4GB of memory. 32 bit systems such as Windows XP home edition and Vista 32 bit will not recognize more than 4GB of memory. Compatible with DDR2 versions of:HP Pavilion Entertainment Notebook dv7-2001et 2001tx 2002tu 2002tx 2003tx 2004tx 2005eg 2005el 2005eo 2005tx 2006tx 2007tx 2008tx 2009tx 2010eb 2010eg 2010es 2010ev 2010tx 2011tx 2012tx 2013tx 2014tx 2015ef 2015eg 2015eo 2015es 2015tx 2016eg 2017eg 2018tx 2019ca 2019tx 2020eb 2020ef 2020ek 2020eo 2020es 2020ev 2020tx 2022eg 2022tx 2023eg 2025ef 2025eg 2025eo 2025es 2027eo 2030ea 2030eb 2030ef 2030eo... Less