The meaning of U
"Debut! Thickness of only a new generation of 1U server" -.Recent ads in the PC server often see such words, but here the "U" in the end what does that mean?
In fact, that the server is a U external dimensions of the unit, unit abbreviations are detailed by the size of the industry groups as the American Electronics Industry Association (EIA) decision.
The reason for the size of the provisions of the server is to maintain an appropriate size of the server in order to put iron or aluminum rack.A fixed server rack screw, screw it to the server for good, to be fixed with screws.
Size required is a server wide (48.26cm = 19 inches) and high (4.445cm multiples).The width is 19 inches, so sometimes will also meet the requirements of the rack as "19-inch rack."
As the basic unit of thickness of 4.445cm.1U is 4.445cm, 2U is a 1U 2 times as 8.89cm.That is the so-called "1U of PC servers", that is, to meet the EIA specifications form thickness 4.445cm products.Designed to be placed in the 19-inch rack products are generally referred to as rack servers.
Place the rack on the server, not only conducive to ongoing maintenance and management, but also possible to avoid unexpected failures.First, place the server does not take up too much space.Emissions rack server rack neatly, do not waste space.Secondly, the connection lines can also be received into the rack neatly.LAN lines, power lines and the whole fabric can be a good line in the cabinet, can reduce the accumulation of cable on the ground, kicked off the foot wires to prevent accidents.
Previous mention of the rack, mainly refers to the proliferation of a large cabinet in the computer center, but there have been many recent targeted to office use products, and some even just stand around 30cm.When you want to go the whole place the server about the office space, is not also consider buying used for?