sysctl -a | egrep -i 'hw.machine|hw.model|hw.ncpu'
hw.machine: amd64
hw.model: Intel® Core(TM)2 Duo CPU     E4500  @ 2.20GHz
hw.ncpu: 2
hw.machine_arch: amd64

pciconf -lv | grep -A4 em
em0@pci0:13:0:0:        class=0x020000 card=0x108c15d9 chip=0x108c8086 rev=0x03 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Intel Corporation 82573E Gigabit Ethernet Controller (Copper) (82573E)'
    class      = network
    subclass   = ethernet
em1@pci0:14:0:0:        class=0x020000 card=0x109a15d9 chip=0x109a8086 rev=0x00 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Intel PRO/1000 PL Network Adaptor (82573L)'
    class      = network
    subclass   = ethernet