View Full Version : Rack sizes question? e.g. 1U, 2U etc
Does anyone know of a guide somewhere on the net that explains the different sizes of rack with pictures dimesions etc e.g.for things like 1U, 2U as with servers.
08-12-05, 04:27 PM
A rack unit (RU) is 19" wide and just under 2" in height. a 1RU server is therefore ~2" tall × 19" wide, a 2RU is just under 4" tall × 19" wide, etc.
If you want to install many full-sized add-on cards, such as extra PCI drive controllers or NICs, you want a 4RU chassis. The 1RU and 2RU chassis require a 90° adapter to mount cards parallel with the motherboard, and limit you to one or three PCI cards.
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