It's an Intel
dual port Ethernet adapter, PCI-Express 2.0 slot.
lspci -nnpk
01:00.0 Ethernet controller [0200]: Intel Corporation I350 Gigabit Network Connection [8086:1521] (rev 01)
01:00.1 Ethernet controller [0200]: Intel Corporation I350 Gigabit Network Connection [8086:1521] (rev 01)
lspci -vmmnn
Slot: 01:00.0
Class: Ethernet controller [0200]
Vendor: Intel Corporation [8086]
Device: I350 Gigabit Network Connection [1521]
SVendor: Intel Corporation [8086]
SDevice: Ethernet Server Adapter I350-T2 [0002]
Rev: 01
Slot: 01:00.1
Class: Ethernet controller [0200]
Vendor: Intel Corporation [8086]
Device: I350 Gigabit Network Connection [1521]
SVendor: Intel Corporation [8086]
SDevice: Ethernet Server Adapter I350-T2 [0002]
Rev: 01
lspci -v
01:00.0 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01)
Subsystem: Intel Corporation Ethernet Server Adapter I350-T2
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at fe700000 (32-bit, non-prefetchable) [size=1M]
Memory at fe8f8000 (32-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: igb
01:00.1 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01)
Subsystem: Intel Corporation Ethernet Server Adapter I350-T2
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at fe900000 (32-bit, non-prefetchable) [size=1M]
Memory at fe8fc000 (32-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: igb