===== Apple MacBookPro 2018 ===== Internal SSD: Write: 2169 MB/s Read: 2741 MB/s Seagate Backup Plus 5TB: Write: 47-74.7MB/s. Read: 65MB/s Seagate 8TB External USB: Write: 172MB/s. Read: 172MB/s Seagate 12TB External USB (B) (connected via USB ports on 8TB drive): Write 195MB/s Read: 192MB/s Seagate 12TB External USB (A) (connected via USB ports on 8TB drive): Write 160MB/s Read: 152MB/s QNAP TVS-673e connected to Netgear Wireless - Write: 3.7-5.9MB/s Read: 5.5-6.3MB/s * Over wireless-G. Write: 3.6-10.3MB/s. Read: 3.9MB/s * OVer USB Quick Connect - Write: 105MB/s Read: 105MB/s