Due to some optimization made recently OPL BETAs should be at least faster than old OPL 0.9.3 through USB. What is the current transfer speed for all of these devices (HDD, ETH, USB)? Maximum theoretically speed for almost all devices in PS2 is: HDD ATA interface: ATA-66 (Roughly 66MB/s). Ethernet interface: 100Mbit (Or 12.5MB/s). USB 1.1 interface: 12Mbit (~1.5 MB/s). CD/DVD drive: 24x speed CD-ROM [3.6 MB/s], 4x speed DVD-ROM [5.28 MB/s].