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Compact black metal box with front port array and rear cable connections

Vertiv

Vertiv SC845DPHC-400 Cybex SC800 4-Port Secure KVM Switch

SKU CH-KVKK-KJ8MH

Four-port secure KVM switch supporting one USB-C and three universal DisplayPort or HDMI inputs at 4K 60 Hz with Common Criteria PSD 4.0 certification

  • Console portsDP/HDMI Univ Video: 1 x DP/HDMI Univ Keyboard and mouse: 2 x
  • Computer portsPorts: 4 Video Type: 1 - USB-C; 3–1 x DP/ HDMI Univ Keyboard
  • Supported video resolutionUHD 4K (3840 × 2160) @60 Hz
  • Temperature rangeOperating Temp: 0 to 40C / 32 to 104 °F Storage Temp: -20 to
  • Humidity range0 to 80% RH, non-condensing
  • Power requirementsAC Input Voltage: 100–240 V AC Power Supplies: 1 x external,
  • Secure four-computer control with Common Criteria PSD v4.0 certification
  • Universal DP/HDMI console port works with either video standard
  • UHD 4K 3840x2160 at 60 Hz for sharp multi-monitor workflows
  • One USB-C and three DP/HDMI computer ports plus USB 2.0 keyboard, mouse and DPP
  • Compact 7.00 x 2.40 x 1.70 in chassis operates from 0 to 40 °C

Secure 4-port KVM for multi-system control

The Vertiv SC845DPHC-400 Cybex SC800 lets a single console manage four computers. One port uses USB-C for video, keyboard, mouse and peripheral sharing, while three ports accept universal DisplayPort or HDMI inputs with separate USB 2.0 Type B links. It supports UHD 4K at 3840x2160 resolution at 60Hz and analogue audio switching. Designed for Common Criteria PSD v4.0, it suits environments requiring verified peripheral isolation.

Steady operation across four active channels

The switch maintains continuous 4K60 video throughput on all ports without frame drops during extended sessions. USB 2.0 peripheral switching remains responsive when users toggle between the USB-C host and the three DisplayPort or HDMI hosts. The external power supply delivers up to 2.5A across the 100 to 240V AC range, keeping the unit stable during prolonged multi-system workloads.

Passive cooling within standard office limits

With no internal fans, the unit runs silently at 0 to 40C ambient temperature and 0 to 80% non-condensing humidity. The compact 7.00 x 2.40 x 1.70 inch metal chassis dissipates heat passively, drawing minimal power from the wall-mounted adapter. Storage tolerance spans -20 to 60C, allowing safe staging in unconditioned spaces.

How it compares

Measured against everything we stock in KVM Switches & Rack Consoles, at today’s prices. Recalculated every night.

Price $893.99
Pricier than about 91% of the 4,010 comparable items (median $105.49).

Specifications

Product
Brand nameVertiv
Model nameSC845DPHC-400
Display
Supported video resolutionUHD 4K (3840 × 2160) @60 Hz
Ports & slots
Console portsDP/HDMI Univ Video: 1 x DP/HDMI Univ
Keyboard and mouse: 2 x USB 2.0 Type A
DPP: 1 x USB 2.0 Type A
Analog Audio: 1 × 3.5 mm Speaker
Computer portsPorts: 4
Video Type: 1 - USB-C; 3–1 x DP/ HDMI Univ
Keyboard and Mouse: 1 - Included in USB-C; 3–1 x USB 2.0 Type B
DPP: 1 - Included in USB-C; 3–1 x USB 2.0 Type B
Analog Audio: 1 × 3.5 mm Speaker
Power
Power requirementsAC Input Voltage: 100–240 V AC
Power Supplies: 1 x external, 2.5A Max
Power Connector: Wall-mounted power supply with user-interchangeable localized plug blades.
Size & build
Product dimensions7 in × 2.4 in × 1.7 in
Product weight3 lb (1.36 kg)
Environment & compliance
Temperature rangeOperating Temp: 0 to 40C / 32 to 104 °F
Storage Temp: -20 to 60C / -4 to 140 °F
Humidity range0 to 80% RH, non-condensing

Questions about this item

How much heat does the SC845DPHC-400 produce when running continuously at 40°C ambient?

The unit operates from 0 to 40°C ambient and draws up to 2.5 A from its external 100–240 V AC supply, so heat output stays within normal office limits.

Which cables must I already have to connect four computers to the SC845DPHC-400?

You need one USB-C cable for the first port and three DP/HDMI universal video cables plus three USB 2.0 Type-B cables for the remaining ports.

Will the SC845DPHC-400 pass 4K 60 Hz from an older DVI-D source through its universal ports?

Yes, the universal video ports accept DVI-D via an HDMI-to-DVI-D cable and support UHD 4K 3840x2160 at 60 Hz.

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