Finally, I found a free SFTP server for my file server.
http://www.k2sxs.com/silvershield/
Although it limited only one client and max 3 session on free version. However, it run as service nature and natively support file name encoding UTF8 which is enough for me.
GoodReader syncing through 3G

SilverSHielD Management Console screen
Security Settings – anti hammer support

Expert Settings – just show off how many type of SFTP / encryption method supported

Add/Edit User screen. Support Windows/AD account, command shell login

終於等到 H700 所需的Sff-8087
寫住Home server 的上半Part先
Hardware
- MB- MSI Z68A-G45 B3
- CPU – Intel i7-2600
- Memory – 4GB DDR3 1333 x 4
- HBA – Dell PERC H700 512MB with BBU
- Disk – 2TB SATA HDD x5 (3 Brand 4 Models, RAID 5, 2 Logical Disk)
- NIC – Broadcom NetXtreme II 5709 Dual Port GbE, onboard Realtek 8111D
- Power – Antek 380W Power Supply
Software
- Host – vmware ESXi 5
- guest – pfSense 2.0
- guest – Server 2008R2 as NAS

Side view, overcrowded

MSI Z680A-G45 (B3), HK$9xx have VT-d

Dell PERC H700

ESXi installed on 2GB USB Flash, in picture also have H700 battery backup unit.

Front view – the FAN controller lower the HDD Case fan noise

Installed LSI CIM Provider, can view card status

VT-d enabled in BIOS, can mark device for vmdirectpath I/O