RAID Calculator

Calculate storage capacity, cost, and efficiency for your RAID configuration

Professional RAID Calculator

High URE risk during rebuild (29.64%). Consider RAID 6 or smaller drives.

RAID Level

Single parity striping - Good balance of capacity, performance, and redundancy

Performance: GoodRedundancy: Medium

Use case: General purpose, 3-8 drives, balanced workloads

Drives (4)

#1TB

#2TB

#3TB

#4TB

Hot Spares

Dedicated spare drives for automatic rebuild

Price per Drive ($)

Rebuild Speed (MB/s)

Power per Drive (Watts)

Annual Failure Rate (%)

Raw Capacity:16.00 TB

Parity/Mirror:4.00 TB

Usable Capacity:12.00 TB

Efficiency:75.0%

12.0 TB

Parity

Total Cost:$400.00

Cost per Usable TB:$33.33/TB

Failure Tolerance:1 drive(s)

Rebuild Time:11.7 hours

URE Risk (rebuild):29.6412%

Annual Data Loss Risk:0.0020%

Total Power Draw:20 W

Annual Energy:175 kWh/year

Heat Output:68 BTU/h