rene Intel Core i5 661 testing with a ASUS P7H55-M PRO and Intel Core IGP on Ubuntu 12.10 via the Phoronix Test Suite. Seagate ST3500418AS - Intel Core i5 661: Processor: Intel Core i5 661 @ 3.33GHz (4 Cores), Motherboard: ASUS P7H55-M PRO, Chipset: Intel Core DRAM, Memory: 8192MB, Disk: 500GB Seagate ST3500418AS + 256GB SAMSUNG SSD 830, Graphics: Intel Core IGP, Audio: Realtek ALC892, Monitor: EV2335W, Network: Realtek RTL8111/8168B OS: Ubuntu 12.10, Kernel: 3.5.0-17-generic (x86_64), Desktop: Unity 6.12.0, Display Driver: intel 2.20.9, Compiler: GCC 4.7, File-System: ext4, Screen Resolution: 1920x1080 PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better Seagate ST3500418AS - Intel Core i5 661 . 4076 |=============================== RAMspeed SMP 3.5.0 Type: Average - Benchmark: Integer MB/s > Higher Is Better Seagate ST3500418AS - Intel Core i5 661 . 8922.36 |============================ RAMspeed SMP 3.5.0 Type: Average - Benchmark: Floating Point MB/s > Higher Is Better Seagate ST3500418AS - Intel Core i5 661 . 9299.09 |============================ C-Ray 1.1 Total Time Seconds < Lower Is Better Seagate ST3500418AS - Intel Core i5 661 . 72.53 |==============================