Up for sale is a 4-port Gigabit RJ-45 PCI Express network interface card powered by the Intel I350 chipset. Ideal for custom firewalls, virtualization servers, NAS units, or multi-port homelab configurations (pfSense, OPNsense, Proxmox, TrueNAS, ESXi, Linux, and Windows).

Item Details and Specifications:

• Chipset: Intel I350 controller (runs native Intel drivers)

• Interface: PCI Express x4 (operates in x4, x8, or x16 PCIe slots)

• Connectors: 4x RJ-45 10/100/1000 Mbps Base-T Ports

• Hardware Profile: Aftermarket / Generic PCB with factory black anodized heatsink and MR-MACOM transformers

• Bracket: Low-profile bracket attached (as pictured)

Condition:Tested and fully functional. Card is clean with straight contacts and undamaged RJ-45 pins.

Ships quickly and safely packaged in anti-static protection.

These came from a Penguin Computing IceBreaker 2912. Penguin Computing builds custom Linux whitebox/HPC solutions, frequently using Supermicro or Tyan enterprise mainboards and chassis.Unlike tier-1 OEMs like Dell or HP—who strictly lock down their supply chain to proprietary Dell/HP branded Intel mezzanine or PCIe cards with custom Dell firmware/part numbers—custom HPC integrators and the institutions deploying them frequently source compatible third-party I350 PCIe controller cards or deploy add-in boards as needed during configuration.

This is a third-party/aftermarket manufactured I350-T4 card (often referred to as an OEM clone or generic board), not a direct Intel factory-retail card. Firmware / Modifications: It has not been modified or reprogrammed by us—it came from the factory built to standard Intel I350 specs and runs natively on official Intel drivers.The Heatsink: The black anodized heatsink is the original factory-installed heatsink that these third-party production boards ship with, rather than the silver heatsink found on official Intel-branded units.