咁計啦,我第一套碟既成本係:
DS918+ $3400
Toshiba 3TB desktop HDD $510 x 4 (當時budget唔多買desktop hdd用住先)
Raid 5 > 7.8 TB
(3400 + 2040) / 7.8 = $697/TB
但以上既HDD用佢30000-40000個鐘就開始有bad sector
所以其實每年既成本係$174/TB
如果以我而家果套Toshiba Enterprise 4TB,平均每隻$840去計:
(3400 + 3360) / 10.5TB
$643.8/TB
當我用到5年,每年成本就係$128/TB
當然啦,你買得越大成本就越平,但如果純粹用黎做storage既話其實玩唔過,因為你要自己管理,有事要自己咩飛,如果唔係有興趣/識玩/唔怕煩我諗你都係唔好搞
小弟本身部NAS除咗用嚟做storage之外,仲會行VM做Unifi SDN server,小型lab,radius server for WiFi login,Music streaming,24x7 BT download (呢個好緊要)