• Transfer rate: 802.11b: 1, 2, 5.5, 11 Mbps - 802.11g: 6, 9, 12, 18, 24, 36, 48, 54 Mbps - 802.11a: 6, 9, 12, 18, 24, 36, 48, 54 Mbps - 802.11n: MCS 0 ~ MCS 15, (20MHz, and 40MHz) - 802.11ac : MCS0 ~ MCS9, (1SS, and 2SS) (20MHz, 40MHz, and 80MHz)• What's in the box: PCIe x1 card with full height bracket, RF antenna, Antenna cable, Separate low profile bracket, Software CD and warranty• Warranty: 1 YearCompatible models:•  HP 290 G1 Microtower•  HP ProDesk 400 G4 SFF/Microtower•  HP ProDesk 600 G3 SFF/Microtower•  HP EliteDesk 705 G3 SFF/Microtower•  HP EliteDesk 800 G3 SFF/Tower