| Power supply location | At the top of the rear side | At the top of the rear side | At the top of the rear side | At the top of the rear side | At the top of the rear side | At the top of the rear side | At the top of the rear side |
| PSU models* | XP350, XP400, XP450, XP500, XP600, UNS350, UNS400, UNS450, UNS500 | XP350, XP400, XP450, XP500, XP600, UNS350, UNS400, UNS450, UNS500 | XP350, XP400, XP450, XP500, XP600, UNS350, UNS400, UNS450, UNS500 | XP350, XP400, XP450, XP500, XP600, UNS350, UNS400, UNS450, UNS500 | XP350, XP400, XP450, XP500, XP600, UNS350, UNS400, UNS450, UNS500 | XP350, XP400, XP450, XP500, XP600, UNS350, UNS400, UNS450, UNS500 | XP350, XP400, XP450, XP500, XP550, XP600, UNS350, UNS400, UNS450, UNS500 |
| Interface location | At the top of the front panel | At the top of the front panel | At the top of the front panel | At the top of the front panel | At the top of the front panel | At the top of the front panel | At the middle of the front panel |