HP 502335-001 - Top cover assembly - For use with 8530w models with Core2 Duo or Extreme Dual-Coreprocessors Retail
HP 653629-001 - Processor heat sink - For use in models equipped with quad-core processors Sale $49.00 Retail $69.00
HP 495083-001 - CPU base enclosure (chassis bottom) - Includes rubber feet - For use with 8530w models featuring a Quad Core processor Retail
HP 783215-001 - Upper cover assembly (chassis top) - For use on models equipped with an AMD processor Retail
