The HPE ProLiant MicroServer Gen10 delivers an affordable compact entry level server specifically designed for small offices, home offices, or small business environments..Connectivity interfaces: 1 x PCIe 3.0 x16, 1 x expansion slot (iLO Enablement Kit slot).FCC CFR47 Part 15, EN 61000-3-2, CNS 13438, FCC Class B certified, CISPR 32, GB 9254, K32, Triple DES, EN 55032, ASHRAE Class A2, UEFI, ICES-003, K24, Redfish API, TLS v1.2, EN 61000-3-3, AES, EMC Class B, EN55024.Tower server.Power device: power adapter.RAID 0, RAID 10, RAID 1, RAID five RAID levels are supported.1-year manufacturer limited warranty.Two expansion slots for upgrading your system.Dimensions: 4.7"H x 9.65"W x 9.65"D.Dual-Core processor.Optical drive: no optical drive