SonicWALL SSL-VPN 4000. Weight: 8390 g, Dimensions (WxDxH): 431.8 x 336.6 x 44.5 mm. Power requirements: AC: 100 - 240 V. Internal memory: 1024 MB, Flash memory: 128 MB. Certification: FCC Class A, ICES Class A, CE, C-Tick, VCCI Class A, MIC, NOM, UL, cUL, TUV/GS, CB. Operating relative humidity range: 10 - 90 %, Operating temperature range (T-T): 5 - 40 °C