Costs
-------------------
1x 	Supermicro X8DTL-3F			€ 310,92	2xs1115,4xDDR3,4xPCIe,2xGbit,8xSAS,6xSATA
2x 	LSI SAS 9211-8i (SAS9211-8I/SGL)	€ 218,41	8xSAS,PCIe
1x 	Intel Xeon L5506			€ 406,90	4x2.13Ghz, 45W TDP
16x 	Seagate Barracuda Green 5900.3, 2TB	€ 107,90
4x 	Seagate Barracuda LP ST32000542AS, 2TB	€ 104,90
1x 	Cooler Master Silent Pro M1000		€ 132,45	1kW
3x 	Crucial m4 CT128M4SSD2 128GB		€ 167,49	read/write 550MB/175MB or 4k64qd 70k/36k
2x 	Kingston ValueRAM KVR1333D3D4R9SK2/16G	€ 150,80	totals 32GB 1.5V 1333Mhz
4x	Samsung Spinpoint F1 HD103UJ, 1TB
Total: 					      € 3.769,28

Setup
-------------------
zpool data storage : 24TB of RAW HDD space
	3x5 raidz1 + 1 coldspare with 16x Seagate Barracuda Green 5900.3, 2TB
zpool client data / vm data : 5TB of RAW HDD space
 	2x2 mirror with	Seagate Barracuda LP ST32000542AS, 2TB
	2x2 mirror with Samsung Spinpoint F1 HD103UJ, 1TB
zpool client OS / VM OS : 384GB of RAW SSD space
	3x2x mirror with Crucial m4 CT128M4SSD2 128GB

Motivation:

data storage:
Long term data storage where space efficiency counts, should do around 300MB sequential read/write.

client data / VM data:
Primarily used for incoming data files, two dozen low activity virtual machines and Windows 7 client bigger storage. Performance should be OKish with 2 striped 2TB disks and 2 striped 1TB disks.

client OS / VM OS:
Used for Windows client booting and virtual machine booting, is pair of mirrored SSD.