ZFS Sync Disabled Intel Core i7 X 980 testing with a 7522MS A7522800 and on FreeBSD via the Phoronix Test Suite. ZFS Sync Disabled: Processor: Intel Core i7 X 980 (12 Cores), Motherboard: 7522MS A7522800, Memory: 24546MB, Disk: 2741GB, Audio: NVIDIA (Unknown) HD Audio OS: FreeBSD, Kernel: 9.0-RELEASE (x86_64), Compiler: GCC 4.2.1 + Clang 4.2.1, File-System: zfs Gzip Compression 2GB File Compression Seconds < Lower Is Better ZFS Sync Disabled . 21.46 |==================================================== Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better ZFS Sync Disabled . 93.71 |==================================================== Compile Bench 0.6 Test: Compile MB/s > Higher Is Better ZFS Sync Disabled . 117.08 |=================================================== Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better ZFS Sync Disabled . 530.15 |=================================================== Threaded I/O Tester 0.3.3 64MB Random Read - 32 Threads MB/s > Higher Is Better ZFS Sync Disabled . 2200.20 |================================================== Threaded I/O Tester 0.3.3 64MB Random Write - 32 Threads MB/s > Higher Is Better ZFS Sync Disabled . 6.75 |===================================================== PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better ZFS Sync Disabled . 2775 |===================================================== Unpacking The Linux Kernel linux-2.6.32.tar.bz2 Seconds < Lower Is Better ZFS Sync Disabled . 12.77 |====================================================