A-TECH 1GB STICK For Gateway FX Desktop FX530B FX530QS FX530S FX530XE FX530XG FX530XL FX530XM FX530XV. DIMM DDR2 NON-ECC PC2-5300 667MHz RAM Memory. Genuine Brand. 1GB STICK DIMM DDR2 NON-ECC PC2-5300 667MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Gateway FX Desktop. (See Compatibility List Below)