File:HP_Compaq_Elite_8300_Ultra-Slim_Hard_Drive_Caddy_Part_Number_Closeup.jpg|part number
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Above images taken from eBay seller [https://www.ebay.com/sch/rami.albe/m.html rami.albe]'s eBay Item #[https://www.ebay.com/itm/332054010009?nordt=true&orig_cvip=true 332054010009] which has since been sold.