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).Tower server.Power device: power adapter.1-year manufacturer limited warranty.Two expansion slots for upgrading your system.Dimensions: 4.7"H x 9.65"W x 9.65"D.1 TB memory installed.Quad-Core processor.Triple DES, EN 61000-3-3, FCC Class B certified, Redfish API, EMC Class B, K32, CNS 13438, K24, FCC CFR47 Part 15, UEFI, EN 55032, ASHRAE Class A2, AES, TLS v1.2, GB 9254, CISPR 32, EN 61000-3-2, EN55024, ICES-003.Optical drive: no optical drive