Calculate storage endurance
for 24/7 edge AI workloads
Input video bitrate, retention period, drive type, and write amplification factor. The engine models TBW consumption and returns projected drive lifespan with replacement cycle recommendations.
// Define requirements
// Storage Endurance Projection
// Drive recommendations
What this Storage Endurance Calculator decides
This tool estimates storage wear and replacement planning for continuous edge AI recording workloads. It uses bitrate, retention window, storage media class, write amplification factor, and daily operating time to project logical write load, NAND wear, and expected media lifespan. It is designed for engineers deciding between flash media, SSDs, NVMe drives, endurance-class storage, and HDD-based recording strategies.
The write bitrate and daily operating hours define the raw amount of data written to storage each day.
Retention affects required capacity and ring-buffer size even when endurance is the primary concern.
TBW rating and write amplification determine how quickly flash media consumes its wear budget under continuous recording.
The engine converts the selected bitrate and duty cycle into daily and annual write totals, applies write amplification to estimate actual media wear, compares that rate against the selected drive’s endurance class, and projects lifespan and replacement frequency. It also estimates the storage capacity needed to support the requested retention period.
- Effective write volume in GB per day and TB per year
- Retention-driven storage capacity requirement
- TBW budget consumption for SSD, NVMe, eMMC, and flash media
- Replacement-cycle risk over a multi-year deployment horizon
- Operational guidance when flash media is a poor fit for the workload
- Projected lifespan: estimated service life of the selected drive under the configured workload
- Write load: daily and annual effective write volume after write amplification
- TBW comparison: how the selected workload consumes the drive endurance budget
- Storage requirement: capacity needed to support the selected retention period
- Replacement guidance: expected replacement cycles and when alternate media is preferable
- Machine-readable JSON: a structured result for copying, sharing, or downstream reuse
{
"schema": "edgeaistack/storage-endurance/v1",
"inputs": {
"write_bitrate_mbps": 40,
"retention_days": 30,
"drive_type": "nvme_1tb",
"write_amplification": 1.5,
"operational_hours_per_day": 24
},
"computed": {
"write_gb_per_day": 648.0,
"write_tb_per_year": 236.5,
"drive_tbw": 600,
"estimated_lifespan_years": 2.5,
"storage_required_tb": 13.0,
"replacement_cycles_per_5yr": 2
}
}
Why does write amplification matter so much?
Write amplification means the flash media writes more data internally than the application logically requested. As WAF increases, the actual wear rate rises quickly and can dramatically shorten SSD, eMMC, or flash lifespan.
Is a higher-TBW SSD always better than an HDD?
Not always. Endurance SSDs are excellent for sustained write workloads, but HDDs can still be the better fit when very large-capacity continuous recording is needed and random I/O performance is not the primary concern.
When should I avoid MicroSD or eMMC for recording?
MicroSD and low-endurance eMMC should generally be avoided for heavy continuous-write recording unless bitrate and duty cycle are very low. They are much better suited to boot media or lightweight embedded storage roles.
Does retention period affect endurance or just capacity?
Retention primarily changes required capacity, but it also affects how the storage layer is used operationally. The combination of retention, duty cycle, and write amplification influences whether a given media class remains practical.