HP Ethernet 1Gb 4-port 331T Adapter Specifications: Brand: HPE Model: 331T Manufacturer: Hewlett-Packard Processor Brand: Broadcom Processor Number: BCM5719 Processors Installed: 1 Cable Type: Ethernet 1000Base-T, Ethernet 100Base-TX, Ethernet 10Base-T Compliant Standards: IEEE 802.1as, IEEE 802.1Q, IEEE 802.3, IEEE 802.3ab, IEEE 802.3ad (LACP), IEEE 802.3az, IEEE 802.3u, IEEE 802.3x Connectivity Technology: Wired Data Link Protocols: Ethernet, Fast Ethernet, Gigabit Ethernet Data Transfer Rate: 1 GBps Features: Jumbo Frames support, Large Send Offload (LSO), PXE support Form Factor: Plug-in card Host Interface: PCI Express 2.0 x4 PCI Specification Revision: PCIe 2.0 Product Type: Network adapter Status Indicators: Link/activity, Port transmission speed Compatible Slots Required: 1 x PCI Express 2.0 x4 Interface Provided: 4 x 1000Base-T - RJ-45 Port Quantity: 4 Network & Adapter Ports: 10/100/1000 https://www.globalonetechnology.com/647594-b21.htm?