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MikroTik CRS305-1G-4S+IN specifications

MikroTik CRS305-1G-4S+IN (switch) full specifications from the official MikroTik spec page: Ports / interfaces 1 x 1 Gbps copper Ethernet.

MikroTikSwitchChecked
MikroTik CRS305-1G-4S+IN specifications
Ports / interfaces1 x 1 Gbps copper Ethernet, 4 x SFP+ (10 Gbps)
ManagementDual boot: RouterOS (Level 5 license) or SwitchOS
PowerTwo DC jacks or PoE-in (802.3af/at), 12-57 V; max 18 W, 10 W without attachments
Dimensions141 x 115 x 28 mm

Every value above was checked against MikroTik’s official spec page or datasheet on 28 Oct 2026. Specs the page does not state are left out rather than guessed. Variants, memory options and features can differ by region and change after launch, so confirm on the official page before you buy. Spotted a difference? Report a correction.