CS428 is a high-efficiency KVM switch which provides the most efficient solution. Its console with 2 built-in PS/2 & 2 DB-25 allows users to control 8 servers either alone or by sharing. The built-in DB-25 of CS428 can reduce cable derangements in component rooms & can enhance signal quality & operation efficiency. Please note: networking components such as switches, routers, KVM & wireless devices require that speeds & standards be consistent throughout the network to gain optimum performance. To avoid compatibility clashes or for advice, please contact us on solutions@ebuyer.com.