A-TECH 1GB STICK For Dell Inspiron 570 580 580s 620 620s I580 One 2205 One 2305. DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory. Genuine Brand. 1GB STICK DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Dell Inspiron. (See Compatibility List Below)