HP MediaSmart Server Hotswap HDD Caddy tray. This 3D Model is from Sparky277480 on Thingiverse for his design of a replacement HDD caddy tray. https://www.thingiverse.com/thing:3056671

My HPEX495 MediaSmart server has been running 24x7 since 2010 or 2011. I only recently had to replace the PSU, but it's otherwise been running perfectly except the Original HDD Caddy trays have become brittle and broke. I know there are still many HP MediaSmart servers being used out there and this HDD Caddy is very handy to have.

This replacement tray is not toolless like the original, but it works great! Thanks Sparky!