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LAN1841 PCI Express 4-port Gigabit ethernet adapter

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Turn your net6501 or any PC into a multi-port router with this multiport ethernet adapter.

The LAN1841 is a short standard profile PCI Express board with four independent Gigabit auto-sensing (MDI/X) ethernet controllers, ideal for compact embedded systems and rack mount servers.

Create multiple, simultaneous internet and/or LAN connections to ensure internet continuity, or segment your network for increased LAN security.


2.5 Gbps X1 PCI Express 1.1; short standard PCI Express board


4 x Gigabit Ethernet Intel 82574L controllers (auto-sensing), supports 802.1 VLAN tagging; IDT 89HPES5T5 PCI Express switch chip; Quad Shielded RJ-45 connector with LEDs for speed and activity


High performance PCI Express busmaster interface with large buffers and interrupt moderation; IEEE 802.3u 1000 Mbps 1000BaseTX, full duplex; IEEE 802.3u 10 Mbps 10BaseT and 100 Mbps 100BaseTX, half and full duplex; IEEE 802.3u Auto-Negotiation; IEEE 802.3x Full duplex flow control; IEEE 802.1q Multiple VLAN support; Supports Auto-MDIX function and 9KB jumbo frames; UDP, TCP/IP checksum offload for IPv4 and IPv6 frames


Maximum 4W from 3.3V; protected to 400W/25A Surge

Operating temperature

0 – 60 °C




Soekris Engineering


C-tick labelled for use in Australia; RoHS-5 compliant;

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