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Components include:
*Server compute nodes included one for [[Intel]] processors and one for [[AMD]] processors. In 2013, [[Calxeda]] contributed a design with [[ARM architecture]] processors.<ref>{{Cite web |title= ARM Server Motherboard Design for Open Vault Chassis Hardware v0.3 MB-draco-hesperides-0.3 |author= Tom Schnell |date= January 16, 2013 |url=http://www.opencompute.org/wp/wp-content/uploads/2013/01/Open_Compute_Project_ARM_Server_Specification_v0.3.pdf |accessdate= July 9, 2013 }}</ref>
*Open Vault storage building blocks offer high disk densities, with 30 drives in a 2U Open Rack chassis designed for easy [[disk drive]] replacement. The 3.5 inch disks are stored in two drawers, five across and three deep in each drawer, with connections via [[serial attached SCSI]].<ref>{{Cite web |title= Open Vault Storage Hardware V0.7 OR-draco-bueana-0.7 |author= Mike Yan and Jon Ehlen |date= January 16, 2013 |url= http://www.opencompute.org/wp/wp-content/uploads/2013/01/Open_Compute_Project_Open_Vault_Storage_Specification_v0.7.pdf |accessdate= July 9, 2013 }}</ref> Another design concept was contributed by Hyve Solutions, a division of [[Synnex]] in 2012.<ref>{{Cite web |title= Hyve Solutions Contributes Storage Design Concept to OCP Community |work= News release |date= January 17, 2013 |url= http://ir.synnex.com/releasedetail.cfm?ReleaseID=733922 |accessdate= July 9, 2013 }}</ref>
* Mechanical mounting system: Open racks have the same outside width (600 mm) and depth as standard [[19-inch rack]]s, but are designed to mount wider chassis with a 537mm width (about 21 inches). This allows more equipment to fit in the same volume and improves air flow. Compute chassis sizes are defined in multiples of an OpenU, which is 48mm, slightly larger than the typical [[rack unit]].
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