A 9U server rack is a rack mount enclosure or open frame that can hold equipment up to 9 rack units (U) in height. Each "U" (rack unit) is 1.75 inches (44.45 mm) tall, so a 9U rack can accommodate a total of 15.75 inches (400.05 mm) of vertical equipment space.
Key Features:
Height: 9U (15.75 inches of usable vertical space)
Width: Standard 19 inches (most common)
Depth: Varies by model (typically 12" to 36"+)
Types: Wall-mounted, floor-standing, open-frame, or enclosed
Use Case: Ideal for small office setups, home labs, edge computing, or AV installations
Popular Equipment That Can Fit:
Network switches
Patch panels
Rack-mount servers
NAS units
UPS (Uninterruptible Power Supply)
Would you like recommendations for specific 9U rack models or a layout suggestion for a 9U rack setup?