- NEC 720101 Chipset - 1-Lane (x1) PCI-Express with transfer rate 2.5Gb/s full duplex channel - 5x Ports Adaptor includes 4x External + 1x Internal Ports (shared with first external port) - USB 2.0 EHCI and USB 1.1 OHCI compliant - Compliant with PCI-Express Revision 1.0a - Backward compatible with USB 1.1 devices - Transfer rate: each port up to 480Mpbs - Over current protection, each port 500mA - Simultaneous operation of multiple high-performance devices - Fully plug & play and hot swapping supported - Supports up to 127 devices per port