1U and 2U are the thickness dimensions of the server. 1U rackmount PC The price of the hardware is lower than that of the 2U rack server, and the relative price will be slightly lower. So a 1U managed server won't be as cool as a 2U managed server.
U is a unit that represents the external dimensions of the server, and is an abbreviation for equipment. The so-called 1U rack server is actually a host server product. Its shape conforms to the EIA specification, with a full size of 4.445cm. In addition, the 2U rack server can be a host project that meets the EIA characteristics, including a 8.89cm server. product.
1U rack server compared to 2u rack server:
The 1U rack-mounted server adopts a height of 1U, which saves space and is lighter in weight. However, any 1u host server is not as scalable as a 2u host, mainly due to the optimal number of hard drives. A 1u hosting server might have about 4 hard drives,
And a 2U server may have as many as 8 or 12 hard drives. In addition, the number of PCI slots is different, and the number of slot machines in a 1U rack host is much less than that of a 2U rack host server.
Compared with the 1U on-hook server, the 2U on-hook host has a reasonable elevation angle, and its scalability (the number of hard disk storage, the number of growth slots, and the power supply) is significantly enhanced. It also dissipates heat better.
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