Sunix mio6479HL – Low-profile + Standard dual bracket ( single slot design ) – 2 port high-speed serial ( 16c550 ) + 1 port parallel (SPP/BPP/ECP/EPP) , pci-express ( 1x ) , 128+16byte hardware + 128k software FiFo , ready for 64 bit system , sun2410 chipset , 921.6Kbps+1.8Mbps , 15KV ESD protection + 15KV IEC1000-4-2 Air Gap Discharge + 8KV IEC1000-4-2 Contact Discharge