tio AMD Athlon 64 X2 4000+ testing with a Gigabyte M61SME-S2 and NVIDIA GeForce 7300 GT 256MB on Ubuntu 12.10 via the Phoronix Test Suite. SAMSUNG HD321KJ: Processor: AMD Athlon 64 X2 4000+ @ 2.10GHz (2 Cores), Motherboard: Gigabyte M61SME-S2, Chipset: NVIDIA MCP61, Memory: 2 x 1024 MB 800MHz, Disk: 320GB SAMSUNG HD321KJ, Graphics: NVIDIA GeForce 7300 GT 256MB (371/333MHz), Audio: Realtek ALC883, Monitor: BenQ FP91G+ OS: Ubuntu 12.10, Kernel: 3.5.0-17-generic (x86_64), Desktop: GNOME 3.6.0, Display Server: X Server 1.13.0, Display Driver: nouveau 1.0.2, OpenGL: 2.1 Mesa 9.0 Gallium 0.4, Compiler: GCC 4.7, File-System: ext4, Screen Resolution: 1280x1024 Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 128MB - Thread Count: 4 MB/s > Higher Is Better SAMSUNG HD321KJ . 1841.66 |==================================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 128MB - Thread Count: 4 MB/s > Higher Is Better SAMSUNG HD321KJ . 73.21 |====================================================== Threaded I/O Tester 0.3.3 Test: Random Read - Size Per Thread: 128MB - Thread Count: 4 MB/s > Higher Is Better SAMSUNG HD321KJ . 1599.81 |==================================================== Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 128MB - Thread Count: 4 MB/s > Higher Is Better SAMSUNG HD321KJ . 2.43 |=======================================================