HP R5500 VA Extended Runtime Module. Output power capacity (VA): 5500 VA, Output power: 4500W. Form factor: Rackmount, Colour of product: Grey. Certification: GS, CE, GOST. Width: 13 cm, Depth: 66 cm, Height: 44.5 cm. Package dimensions (WxDxH): 356 x 978 x 813 mm