Slow RAID 0 Read Speed

I have two Corsair Neutron 256GB SSD's in a RAID 0 configuration. Refer to my profile for hardware configuration. I've run multiple benchmarks and my sequential read speed is 390 MB/s and my sequential write speed is 803 MB/s. Why is my read speed so much slower?



Intel RST Driver 11.7.0.1013

Data Stripe Size 16K

Write-back cache enabled

Windows write-cache buffer flushing off