PCIe ×8 Network Expansions Module with 4 Optical Ports

ENM-4401S

Server-grade PCIe network adapter

Support horizontal installation method

4 × SFP optical fiber network port

Intel® 82576EB high-performance network chip

Can be used in network security and industrial computers

PCIe x8 Network Module with Dual 10000M Optical Fiber Ports

ENC-8211S

Server-grade network adapter

Intel® 82599ES 10000M network chip

2 x 10Gb optical fiber port

PCIe 2.0 supported, the physical sequence of each network port
    provides up to 128 channels for send & receive, supporting

Auto-negotiation and IPSec