sentences:  Pegasus R4 and R6
  
  Pegasus R4 and R6 are the first 4-bay and 6-bay high performance hardware RAID featuring Thunderbolt technology.Thunderbolt technology is a new, high-speed, dual-protocol I/O technology designed for performance, simplicity, and flexibility.This high-speed I/O technology is capable of delivering two channels of 10 Gbit/s (1.25 GB/s) per port of performance.