Found a Kronos Jasper V2 250GB Elite at a retro game store it had some scuffs on the shell so I went ahead & also found a BNIB RockBand faceplate + skin.
New Xbox 360 Kronos and Upgrade : r/xbox360
Solved - XBOX 360 Jasper v1 vs v2 (kronos) | Se7enSins Gaming Community
Discussion - where did the motherboard names come from | Se7enSins Gaming Community
Battle Worlds Kronos (ny vare) (Xbox One) hos Nes Bozz