my OS is Windows 7 Ultimate 64-Bit i have a Intel DX38BT Motherboard with Bios BTX3810j.86a.2006.2009.1057 and a Intel Core 2 Extreme CPU X9650 3.00GHz Socket 775 LGA Main Memory Features of Intel Desktop Board DX38BT are Four 240-pin, DDR3 1.5 V SDRAM Dual Inline Memory Module (DIMM) sockets 1333/1066/800 MHz single or dual channel DDR3 SDRAM interface Support for up to 8 GB of system memory ? what 8 gb kits will work correctly in my system a lot of people have had issues with using over 4 gigs of ram with the Intel DX38BT Motherboard id like to stay with a name brand like g.skill or Corsair if possible any suggestions ? and thanks