| What it does | Compare hard drive and SSD prices sorted by cost per terabyte
| Free Four Pillars of Destiny chart calculator with true solar time
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Freemium
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| Pricing | Not given
| Charts and tools free. AI readings: 1 reading for $4.99, 3 readings for $9.99, 10 readings for $19.99.
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| Key features | - Price per terabyte comparison across Amazon listings
- Daily price updates from live Amazon data
- NAS Storage Calculator for RAID configurations
- RAID Calculator for capacity and fault tolerance
- Shucking Savings Calculator comparing internal vs external drives
- SSD vs HDD Cost Calculator for technology comparison
- Cloud vs Local Cost Calculator with power costs
- Use case guides for Plex, surveillance, gaming, photo storage, video editing, and backup
- Head-to-head product comparisons (Seagate vs WD, IronWolf vs IronWolf Pro)
| - Four Pillars with hidden stems and heavenly stems and earthly branches
- Day Master calculation and analysis
- Ten Gods relationship mapping
- Five Elements distribution with visible and hidden stems
- Luck Pillars with ten-year periods and annual pillars
- True solar time calculation with longitude and equation of time correction
- Two-chart comparison showing stem/branch relations
- Export and print functionality including PDF and JSON download
- Time range input for uncertain birth times
- Bilingual interface in English and Simplified Chinese
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| What makes it different | - No accounts, paywalls, or ads required
- Tracks every HDD and SSD on Amazon with daily price updates
- Interactive calculators using live Amazon data instead of rules of thumb
- Calculates true cost of storage including RAID overhead and power consumption
- Covers all drive types and use cases from gaming to enterprise datacenter storage
| - All calculation rules published and adjustable, showing which rule produced each result
- Solar-term boundaries computed astronomically to the minute with historical time zone accuracy
- No prediction claims; presents charts as cultural and reflective, not scientific forecasts
- Works without birth time by showing stable and candidate pillars
- No account required for calculation; optional saving and one free AI reading after Google sign-in
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 7 ▼ −1 (down) since last check | 11 ● no change since last check |
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| Trust Flow (Majestic) | 10 | 9 |
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| Citation Flow (Majestic) | 21 | 30 |
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| Referring domains (Majestic) | 16 | 45 |
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