Specs for Tablo Dual Lite Tablo DUAL LITE OTA DVR | Over The Air (OTA) DVR | Tablo
Ethernet 10/100
USB 2.0
Specs for Tablo Quad Tablo QUAD OTA DVR | Over The Air (OTA) DVR | Tablo
USB 2.0
Serial ATA II (3Gbps)
USB 2.0, Ethernet 100 and Serial ATA II are neither the latest nor anywhere near the fastest 
Yet, it’s likely unnecessary to ramp it up to achieve it’s needs.