8 Gigabit RJ45 ports with Auto-Negotiation and Auto MDI/MDIX. Unmanaged desktop switch with Plug and Play setup. No PoE. Compact plastic housing with fanless operation. Store and Forward and IEEE 802.3x flow control. Green Ethernet power saving. Dimensions 127 x 60.3 x 22 mm. External 9V 0.6A power adapter included.