zfs Intel Core i7-4770K testing with a ASUS Z87-DELUXE/QUAD and eVGA NVIDIA GeForce GTX 750 Ti 2048MB on Ubuntu 14.04 via the Phoronix Test Suite. Samsung SSD 840 - Intel Core i7-4770K: Processor: Intel Core i7-4770K @ 3.50GHz (8 Cores), Motherboard: ASUS Z87-DELUXE/QUAD, Chipset: Intel 4th Gen Core DRAM, Memory: 32768MB, Disk: 4 x 120GB Samsung SSD 840 + 4 x 2000GB Seagate ST2000DM001-1CH1, Graphics: eVGA NVIDIA GeForce GTX 750 Ti 2048MB (540/2700MHz), Audio: Realtek ALC1150, Network: Intel Connection I217-V + Broadcom BCM4352 802.11ac Wireless OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), Desktop: Unity 7.2.0, Display Server: X Server 1.15.0, OpenGL: 4.3.0, Compiler: GCC 4.8 + Clang 3.3-16ubuntu1, File-System: zfs, Screen Resolution: 2560x1600 Flexible IO Tester 1.57 Intel IOMeter File Server Access Pattern Seconds (Run Time) < Lower Is Better Samsung SSD 840 - Intel Core i7-4770K . 36.38 |================================ SQLite 3.7.3 12,500 INSERTs Seconds < Lower Is Better Samsung SSD 840 - Intel Core i7-4770K . 387.92 |=============================== FS-Mark 3.3 1000 Files, 1MB Size Files/s > Higher Is Better Samsung SSD 840 - Intel Core i7-4770K . 30.57 |================================ Dbench 4.0 12 Clients MB/s > Higher Is Better Samsung SSD 840 - Intel Core i7-4770K . 166.29 |=============================== Dbench 4.0 48 Clients MB/s > Higher Is Better Samsung SSD 840 - Intel Core i7-4770K . 261.33 |=============================== Dbench 4.0 128 Clients MB/s > Higher Is Better Samsung SSD 840 - Intel Core i7-4770K . 216.55 |=============================== Dbench 4.0 1 Clients MB/s > Higher Is Better Samsung SSD 840 - Intel Core i7-4770K . 43.07 |================================ IOzone 3.405 8GB Read Performance MB/s > Higher Is Better Samsung SSD 840 - Intel Core i7-4770K . 1657.75 |============================== IOzone 3.405 8GB Write Performance MB/s > Higher Is Better Samsung SSD 840 - Intel Core i7-4770K . 223.80 |=============================== Threaded I/O Tester 0.3.3 64MB Random Read - 32 Threads MB/s > Higher Is Better Samsung SSD 840 - Intel Core i7-4770K . 4134.22 |============================== Threaded I/O Tester 0.3.3 64MB Random Write - 32 Threads MB/s > Higher Is Better Samsung SSD 840 - Intel Core i7-4770K . 3.17 |================================= Compile Bench 0.6 Test: Compile MB/s > Higher Is Better Samsung SSD 840 - Intel Core i7-4770K . 232.76 |=============================== Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better Samsung SSD 840 - Intel Core i7-4770K . 152.23 |=============================== Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better Samsung SSD 840 - Intel Core i7-4770K . 1540.69 |============================== Unpacking The Linux Kernel linux-2.6.32.tar.bz2 Seconds < Lower Is Better Samsung SSD 840 - Intel Core i7-4770K . 7.67 |================================= PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better Samsung SSD 840 - Intel Core i7-4770K . 6349 |================================= Gzip Compression 2GB File Compression Seconds < Lower Is Better Samsung SSD 840 - Intel Core i7-4770K . 10.92 |================================ Apache Benchmark 2.4.7 Static Web Page Serving Requests Per Second > Higher Is Better Samsung SSD 840 - Intel Core i7-4770K . 32930.49 |=============================