Chipset: Intel®I350AM4
PCI Express * 2.1 (5GT / s), operable in x4 slots or greater to 4 x RJ45, Cat 5e or more
10/100/1000 Mbps
VLAN filtering, PXE remote boot, IPMI pass-through
Os Support: Win 7 / Win 8 / Win 8.1 / Win 10 32/64Bit, Spain DOS, Linux, FreeBSD, Novell UnixWare / OpenUnix 8
Operating temperature: 0 ~ 55 ℃

2x 10Gbit Ethernet RJ45
Max. Data transfer 20000Mbit/s
Net standard IEEE 802.1Q,IEEE 802.3,IEEE 802.3ad,IEEE 802.3x
Vollduplex 10,100,1000,10000 Mbit/s
Full Duplex support
Chipset BCM57810S
Operates at 1Gbps/10Gbps, auto-negotiation, on both ports
10GBASE-T connectivity supporting up to 100 meters with CAT 6A cabling
Up to 40Gb/s bi-directional near line rate throughput
Hardware acceleration TCP/IP/UDP stateless offloads, as well as for TCP Offload Engine (TOE)
Superior small packet performance
SR-IOV
Active Health Systems support
PXE, Jumbo Frames, Checksum & Segmentation Offload, IPv6 and RSS
On chip temperature monitor (Sea of Sensors)
Field replaceable and upgradeable
Support for Preboot eXecution Environment (PXE)

Intel X550 chipset
PCIe v3.0 (8.0GT/S)
Automatically negotiation between 1GbE, 2.5GbE, 5GbE and 10GbE
2 x RJ45 ports
Standard Cat 6 network cables
RJ-45 Category-6 up to 55mm, Category-6A up to 100m
Support Windows 64 bit (7, 2008 R2, 8, 2012, 8.1, 2012 R2, 10, 2016
Linux(RHEL6.x/7.x, SUSE11.x/12.x, Ubuntu*14.x/16.X) FreeBSD

Intel 82576EB
PCI Express v2.0 (2.5GT / s), X 4, or x8 operable in x16 slots
RJ45 (copper)
10/100/1000 Mbps
IMPI pass-through , PXE remote boot, VLAN filtering
OS support: Win 7 / Win 8 / Win 8.1 / Win 10 3264Bit
3.6W
Operating Temperature: 0 ~ 55 ℃

4 port Gigabit network card
Ethernet 10Base-T, Ethernet 100Base-TX, Ethernet 1000Base-T
PCI express 2.1 x 4
4 x RJ45
For normal and low profile