How many servers can the MCD-232 KVM switch control and can it be expanded?

The MCD-232 KVM switch can control up to 32 servers and can be cascaded to support up to 1024 servers.

What maximum video resolution does the Raritan MCD-232 support?

The Raritan MCD-232 supports a maximum video resolution of up to 1920 x 1080.

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Raritan MCD-232 KVM Switchbox - 32 Computer(s) - 2 Local User(s) - 1920 x 1080 - 32 x Network (RJ-45) - 5 x USB - 2 x DVI - Rack-mountable - 1U

Next generation Cat5 interface supports digital & analog video interfaces and audio: MCD-232 MasterConsole Digital KVM Switch is the next generation of Raritan Cat5 KVM switches. It supports dual user control of up to 32 servers.
Space-Saving Design: MCD-232 is only 1U of rack space in height
Cross-Platform and Hardware Independent: MCD-232 works with a mixture of servers that have USB keyboard/mouse interfaces and HDMI/DVI/DP digital video interfaces or analog VGA.,MDCIMs are available for support of various servers and devices in your data center including MS-DOS, Windows 7/8/8.1/10, Linux (Red Hat, Novell Suse), Macintosh OS9, OSX and SCO UNIX.
"keep-alive" technology: MCD-232 server interface cables (MDCIMs) with "keep-alive" technology allow users to add, remove and hot-swap CIMs without interruption to the live servers. MDCIMs also support DDC, DDC2, and DDC2B.
Cat5 Simplicity:Utilizes Cat5e/6/6e cabling to carry the KVM signaling from the server (via MDCIMs) to a KVM switch.