HPE MSR4000 SPU-300 SPU. Fiber optic connector: SFP, SFP+. Compatibility: HP MSR4000 SPU-300. Dimensions (WxDxH) : 376.9 x 503.9 x 108 mm, Weight: 3.2 kg. I/O ports: 4 x RJ-45 4 x SFP 1 x SFP+ 2 x VPM