USG6550-AC - Huawei Next-Generation Firewalls Huawei Firewall USG6550 - AC Huawei Firewall USG6550-AC,8GE Power,4GE light, 4GB RAM, 1 AC power with VPN 100users USG6550-AC HW high-end enterprise-level hardware firewall full Gigabit 8GE electrical port + 4SFP optical port Hard disk Optional 300GB, 2.5-inch SAS single hard drive, hot-swappable Business Engine Board SPUB Not support 4G LTE data card Stand by Out-of-band management port 1 (RJ45) Console interface 1 (RJ45) USB 2.0 interface 2 pcs Standard business interface 4 Gigabit Ethernet optical ports, 8 10/100/1000M adaptive Ethernet electrical ports Expansion slot 2WSIC Expansion card type 8GE-WSIC-81GE RJ45 interface card, 2XG8GE-WSIC-81GE RJ45 interface+210GE SFP+ interface card, 8GEF-WSIC-81GE SFP interface card, 4GE-BYPASS-WSIC-2electrical link Bypass card Short-term working environment temperature Without hard disk: -5в„ѓ~55в„ѓ/With hard disk: 5в„ѓ~40в„ѓ Long-term working environment temperature Without hard disk: 0в„ѓ~45в„ѓ/With hard disk: 5в„ѓ~40в„ѓ Storage temperature -40в„ѓ~70в„ѓ Relative humidity of working environment Short-term: 5%RH~95%RH, non-condensing/Long-term: 5%RH~95%RH, non-condensing Relative humidity of storage environment Short-term: 5%RH~95%RH, non-condensing/Long-term: 5%RH~85%RH, non-condensing Altitude Without hard disk: 5000m/With hard disk: 3000m