4GB KIT (2 x 2GB) For Acer Veriton M275-UD7500W M275-UD7601W M480 M480G VM480G-xxx M670/G M67WS S480G-UQ8300W S670/G S670 S670G. DIMM DDR3 NON-ECC PC3-8500 1066MHz RAM Memory. Genuine A-Tech Brand. 4GB KIT (2 x 2GB) DIMM DDR3 NON-ECC PC3-8500 1066MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Acer Veriton. (See Compatibility List Below)