HP 378231-001 - CPU base enclosure (chassis bottom) - Includes speaker assembly - For use with full-featured (FF) models Retail
HP 461268-001 - Base enclosure (chassis bottom) - For De-Featured (DF) models - Does not include the speaker assembly Retail
HP 393565-001 - Base enclosure (chassis bottom) - For De-Featured (DF) models - Does not include the speaker assembly Retail
HP 383921-001 - CPU base enclosure (chassis bottom) - For full-featured (FF) products - Does not include the speaker assembly Part 383921-001 40828 Retail
HP 578090-001 - Base enclosure (bottom chassis) assembly - For full-featured (FF) 35W models - Includes rubber feet Retail
