RAID Capacity Calculator
RAID Capacity Calculator
Usable Capacity
12 TB
RAID 5 (Parity) · 75% storage efficiency
Total Raw
16 TB
4 × 4 TB
Fault Tolerance
1 drive
simultaneous failure
Redundancy Overhead
4 TB
lost to parity/mirroring
Usable Capacity by RAID Level
| Level | Usable | Efficiency |
|---|---|---|
| RAID 0 | 16 TB | 100% |
| RAID 1 | 4 TB | 25% |
| RAID 5 | 12 TB | 75% |
| RAID 6 | 8 TB | 50% |
| RAID 10 | 8 TB | 50% |
Usable Capacity Comparison (TB)
Solid = selected level · dimmed = invalid for 4 drives.
Summary Statistics
Configuration
4 × 4 TB
Total Raw Capacity
16 TB
Usable Capacity
12 TB
Fault Tolerance
1 drive
Storage Efficiency
75%
Level Description
Balanced performance and redundancy. Can survive one drive failure.
Related Calculators
Home Loan Calculator
Calculate home loan EMI, total interest, and amortization schedule.
Auto Loan Calculator
Detailed auto loan with trade-in, taxes, fees, and amortization.
Bike Loan Calculator
Calculate bike loan EMI, total cost, and repayment breakdown.
Boat Loan Calculator
Estimate boat financing payments, interest, and amortization.
Student Loan Calculator
Calculate student loan payments with income-driven repayment plans.
Gold Loan Calculator
Calculate gold loan amount based on gold weight, purity, and LTV ratio.
USDA Loan Calculator
Calculate USDA loan payments with guarantee fee and income eligibility.
Loan Against Property Calculator
Calculate LAP EMI based on property value and loan-to-value ratio.