Storage 216TB = $15,292, 1PB = $64,495

*Please note all prices are is US$. 

Config 1 - 216TB CIFS/NFS Storage:
Linux or Windows 2012 with Storage Spaces and Deduplication - 216TB = $15,292, $0.071/GB. Assuming 5 years lifecycle = $0.0011/GB/month:

• Supermicro Server with Dual Xeon E5-2600 CPU, 32GB memory, redundant fans/power, Dual 10Gb ethernet. 36 3.5" hot-plug disk bays, 3 yr warranty: $4,492 
• Drives with 5 yr warranty: 36 x 6TB SAS = $10,800 

Config 2 - 1 PB CIFS/NFS Storage:

Linux or Windows 2012 with Storage Spaces and Deduplication - 1 PB = $64,495. $0.064/GB. Assuming 5 years lifecycle = $0.0010/GB/month:

• Supermicro Server with Dual Xeon E5-2600 CPU, 32GB memory, redundant fans/power, Dual 10Gb ethernet. 3 yr warranty: $4,492 
• 3 x Expansion drawers each with 44 3.5" hot-plug disk bays,redundant fans/power. Dual SAS expanders, 3 yr warranty: 3 x $3,231 = $9,693
• Drives with 5 yr warranty: 168 x 6TB SAS = $50,400

Hardware components:

Supermicro server - Dual Xeon E5-2500,32GB memory, redundant fans/power, Dual 10Gb ethernet. 36 3.5" hot-pug disk bays, 3 yr warranty

Expansion drawer, Dual 12 Gb SAS expanders, redundant fans/power, 44 3.5" hot-pug disk bays, 3yr warranty:

6TB 3.5" SAS drive:

Linux software:

• Red Hat 7 / Centos 7 - Simple NFS Server with large number of internal disks
• LSI 3108 MegaRAID levels 0, 1, 1E, 5, 6, 10 and 50
• Highly available hardware with redundant power supplies, fans, disk
• 2 x 10Gb ethernet for NFS
• dm-cache for flash caching (optional)
• XFS filesystem

Windows software:

Windows 2012 Storage Spaces:

http://blogs.technet.com/b/josebda/archive/2013/08/28/step-by-step-for-storage-spaces-tiering-in-windows-server-2012-r2.aspx

Windows 2012 Deduplication:

http://blogs.technet.com/b/filecab/archive/2012/05/21/introduction-to-data-deduplication-in-windows-server-2012.aspx

For additional details see http://blog.zorangagic.com/2016/01/enterprise-storage-based-on-commodity.html