Did some benchmark, got 70MB/s with ram disk and 35MB/s on image file with 3 IDE disk RAID-5 over GBE without Jumb-Frame. Client side: XP SP2, broadcom 5704, MS Initiator 2 Server side: 2003 SP1, Intel pro 1000 CT, 3Ware 3*200G Maxtor 9 RAID-5 Switch: Dell 2724 No TCP optimization Think performance ...