Find Your Drive's Sweet Spot
Real-world failure rates × Amazon pricing — one score, one winner.
TB
Full Rankings
| # | Score | $/TB | Price | Capacity | AFR % | Drive-days | Cond. | Model | Listing |
|---|
📐 How the score works
Value
cheapest_$/TB ÷ this_$/TB
×
Reliability
1 ÷ (1 + AFR%)
×
Confidence
log₁₀(drive-days) ÷ 7 (caps at 10M days)
=
Score
normalised to 100
Drives with a small Backblaze sample are penalised — a 0% AFR model with 5,000 drive-days won't beat a well-proven drive unfairly.