Shuttle PC55 Silent X - Power supply (internal) - PC55

Shuttle PC55. Total power: 450 W, AC input voltage: 90 - 264 V, AC input frequency: 47 - 63 Hz. Purpose: PC, Noise level: 34 dB, Safety: UL, CUL, TÜV, CB, BSMI. Product colour: Grey, Cooling type: Active. Width: 86 mm, Depth: 150 mm, Height: 83 mm. Rise time: 20 ms

https://eu.shuttle.com/en/DesktopDefault.aspx/tabid-123/241_read-14192/

The Shuttle XPC Accessory PC55 provides the additional power for compatible Shuttle XPCs needed to satisfy the demands of high power graphics cards and large capacity storage devices. It is the optimal solution for power users wanting to upgrade without compromising the stability, low-noise, and portability of the XPC.

Compatible with the following Shuttle XPCs:
SB81P, SB95P, SB95PV2, SD31P, SD37P2, SD39P2, SN25P, SN26P, SN27P2