Host Machine Build

 Qty   Price   Description   Link 
 1   $233.99   ASRock E3C226D2I Mini-ITX Server Motherboard LGA1150 Intel C226 DDR3 1600/1333   http://www.newegg.com/Product/Product.aspx?Item=N82E16813157466 
 1   $289.99   Intel Intel Xeon E3-1245V3 Haswell 3.4GHz 8MB L3 Cache LGA 1150 84W Quad-Core Server Processor BX80646E31245V3   http://www.newegg.com/Product/Product.aspx?Item=N82E16819116909 
 2   $87.99   Kingston 8GB 240-Pin DDR3 SDRAM ECC Unbuffered DDR3 1333 Server Memory Model KVR1333D3E9S/8G   http://www.newegg.com/Product/Product.aspx?Item=N82E16820139978 
 1   $49.99   Cooler Master Elite 130 - Mini-ITX Computer Case with Mesh Front Panel and Water Cooling Support   http://www.newegg.com/Product/Product.aspx?Item=N82E16811119286 
 1   $29.99   CORSAIR CXM series CX430M 430W ATX12V v2.3 80 PLUS BRONZE Certified Modular Active PFC Power Supply   http://www.newegg.com/Product/Product.aspx?Item=N82E16817139049 
 Total 
    $779.94   Total    

Disk Arrays

 Qty   Price   Description   Link 
 Host Bus Adapters 
 1   $297.49   Lsi Logic LSI00300 9207-8e Sgl Sas Pcie 12/3.3v Ctlr 8port Ext 6gb/s Sata+sas Hba   http://www.amazon.com/gp/product/B0085FT292 
 Enclosures/Bays 
 2   $99.99   SuperMicro CSE-M35T-1B 3x 5.25" to 5x 3.5" Hot-swap SATA HDD Trays   http://www.newegg.com/Product/Product.aspx?Item=N82E16817121405 
 2   $66.00   Xcase Pro Duplicator case 3 bay SATA   http://www.copystars.com/sata_3bay_case.htm 
 Cabling/Adapters 
 1   $6.92   SATA to eSATA 2 PCI Bracket with Power External Cable   http://www.amazon.com/dp/B000YI7M3G 
 1   $3.99   KINGWIN 15.63" eSATA PCI Bracket cable Model ESAC-02   http://www.newegg.com/Product/Product.aspx?Item=N82E16812226003 
 2   $29.00   ATA - external mini SAS (SFF-8088) bridge AD4SMSAS   http://www.addonics.com/products/ad4smsas.php 
 2   $15.00   NEW HP 407344-001 SAS cable SFF-8088 (miniSAS) to SFF-8088 (miniSAS) 14 inch   http://www.ebay.com/itm/360480329316 
 1   $22.00   Amphenol MiniSas (SFF-8088) to MiniSas (SFF-8088) external cable 1 M length   http://www.ebay.com/itm/361020813925 
 Drives 
 2   $156.90   Western Digital Red WD30EFRX 3TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive   http://www.newegg.com/Product/Product.aspx?Item=N82E16822236344 
 4   $139.99   Western Digital Red WD30EFRX 3TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive   http://www.newegg.com/Product/Product.aspx?Item=N82E16822236344 
 4   $133.99   Western Digital Red WD30EFRX 3TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive   http://www.newegg.com/Product/Product.aspx?Item=N82E16822236344 
 Total BOM 
    $2,138.10   Total    

What I have already:

Purchased:

Drives:


Alternate build: (Not gonna work, only 4x SATA-III and 2x SATA-II, unlike C226 which has 6x SATA-III)

 Qty   Price   Description   Link 
 1   $191.99   ASRock E3C224D2I Mini ITX Server Motherboard LGA 1150 Intel C224 DDR3 1600/1333   http://www.newegg.com/Product/Product.aspx?Item=N82E16813157467 
 1   $279.99   Intel Intel Xeon E3-1240V3 Haswell 3.4GHz 8MB L3 Cache LGA 1150 80W Quad-Core Server Processor BX80646E31240V3   http://www.newegg.com/Product/Product.aspx?Item=N82E16819116905 
 1   $179.99   Kingston 16GB (2x8GB) 240-Pin DDR3 SDRAM DDR3 1333 ECC Unbuffered Server Memory Model KVR1333D3E9SK2/16G   http://www.newegg.com/Product/Product.aspx?Item=N82E16820139979 
 1   $49.99   Cooler Master Elite 130 - Mini-ITX Computer Case with Mesh Front Panel and Water Cooling Support   http://www.newegg.com/Product/Product.aspx?Item=N82E16811119286 
 Total 
    $701.96   Total    

Additional cabling possibilities:

Possible HBA options: