M.2 A+E Key RTL8125B 2.5G Single Port Multi Gigabit Networking Adapter - Key benefits - Upgrades laptops or desktops to 2.5G networking without replacing the existing network card - Provides higher throughput for network transfers while remaining compatible with existing cables and infrastructure - Small form factor enables quick upgrades in devices with an M.2 A+E key slot - What this is - A single port 2.5G network adapter based on the RTL8125B chipset - M.2 A+E Key form factor, designed to install in compatible laptops or desktops - Performance and compatibility - 2.5GBASE-T networking speed for faster connections - Works with CAT5e cables for transmission; CAT3 cables support up to 10Mbps - Backward compatible with 10/100/1000BASE-T networks - Supports IEEE 802.3u (10/100 Mbps), IEEE 802.3ab (1000 Mbps), and IEEE 802.3bz (2500 Mbps) standards - Form factor and installation - Compact M.2 A+E Key card suitable for devices with the appropriate slot - Integrates into compatible laptops or desktops without replacing the existing NIC - Use scenarios - Home or office laptop upgrade: install this card to access 2.5G speeds when connected to a 2.5G-capable switch or router - Desktop performance boost: replace or augment the onboard NIC to improve large-file transfers, backups, or high-bandwidth gaming - Small office deployments: quickly retrofit multiple computers to 2.5G connectivity to support faster data transfers to network storage or servers - Notes - Speed achieved depends on host support, network equipment, and cabling - Maintains compatibility with existing Ethernet standards and cabling where applicable