The NS431D is a 4-port KVM switch, PS/2+AT/serial and On Screen Display.
The NewStar KVM Switch allows you to control 4 PC's from one console. The NewStar models are designed to be the most compatible, reliable, and affordable single or multi-user KVM switches available. Connected systems are quickly switched between using fast-switch buttons and Hot Key commands.
Its low cost, super small size, and high 2048x1536 maximum resolution display capability makes NewStar switches perfect for any application where reliability, compatibility, and faultless operation are important.
Neomounts NS431D, 2048 x 1536 pixels, Rack mounting, Black
Neomounts NS431D. Keyboard port type: PS/2, Mouse port type: PS/2. Maximum resolution: 2048 x 1536 pixels. Product color: Black. Connectivity technology: Wired, Bandwidth: 400 MHz