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Open NAS hard-drive dataset (CC BY 4.0): merged drives.csv/json plus raw source files (CMR/SMR reference, full-year 2025 Backblaze failure rates, manufacturer series specs). Maintained at nasdisks.com. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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| 1 | brand | line | drive_class | warranty_years | workload_tb_yr | mtbf_hours | note | source |
|---|---|---|---|---|---|---|---|---|
| 2 | WD | Gold | Enterprise | 5 | 550 | 2500000 | Enterprise-class drive built for 24/7 datacenter workloads with rotational-vibration tolerance. | Manufacturer spec |
| 3 | WD | Red Pro | NAS-Pro | 5 | 300 | 1000000 | Pro NAS drive rated for up to 24-bay arrays and 24/7 operation. | Manufacturer spec |
| 4 | WD | Red Plus | NAS | 3 | 180 | 1000000 | CMR NAS drive for 1-8 bay home and SOHO systems. | Manufacturer spec |
| 5 | WD | Red | NAS | 3 | 180 | 1000000 | Entry NAS line; older 2-6TB units use SMR, so verify before RAID use. | Manufacturer spec |
| 6 | WD | Purple Pro | Surveillance-AI | 5 | 550 | 2500000 | Surveillance and AI line for many-camera NVRs with deep-learning analytics. | Manufacturer spec |
| 7 | WD | Purple | Surveillance | 3 | 180 | 1000000 | Surveillance drive tuned for sustained 24/7 video-write workloads. | Manufacturer spec |
| 8 | WD | Blue | Desktop | 2 | Desktop drive - not rated for NAS, RAID or 24/7 operation. | Manufacturer spec | ||
| 9 | WD | Ultrastar DC HC320 | Enterprise | 5 | 550 | 2500000 | Datacenter enterprise drive with the highest workload and vibration rating. | Manufacturer spec |
| 10 | WD | Ultrastar DC HC330 | Enterprise | 5 | 550 | 2500000 | Datacenter enterprise drive with the highest workload and vibration rating. | Manufacturer spec |
| 11 | WD | Ultrastar DC HC520 | Enterprise | 5 | 550 | 2500000 | Datacenter enterprise drive with the highest workload and vibration rating. | Manufacturer spec |
| 12 | WD | Ultrastar DC HC530 | Enterprise | 5 | 550 | 2500000 | Datacenter enterprise drive with the highest workload and vibration rating. | Manufacturer spec |
| 13 | WD | Ultrastar DC HC550 | Enterprise | 5 | 550 | 2500000 | Datacenter enterprise drive with the highest workload and vibration rating. | Manufacturer spec |
| 14 | WD | Ultrastar DC HC560 | Enterprise | 5 | 550 | 2500000 | Datacenter enterprise drive with the highest workload and vibration rating. | Manufacturer spec |
| 15 | WD | Ultrastar DC HC570 | Enterprise | 5 | 550 | 2500000 | Datacenter enterprise drive with the highest workload and vibration rating. | Manufacturer spec |
| 16 | WD | Ultrastar DC HC580 | Enterprise | 5 | 550 | 2500000 | Datacenter enterprise drive with the highest workload and vibration rating. | Manufacturer spec |
| 17 | Seagate | IronWolf Pro | NAS-Pro | 5 | 300 | 1200000 | Pro NAS drive for up to 24-bay systems and 24/7 use; includes Rescue data recovery. | Manufacturer spec |
| 18 | Seagate | IronWolf | NAS | 3 | 180 | 1000000 | NAS drive for 1-8 bay home and SOHO systems. | Manufacturer spec |
| 19 | Seagate | Exos X16 | Enterprise | 5 | 550 | 2500000 | Enterprise nearline drive for datacenter-scale 24/7 workloads. | Manufacturer spec |
| 20 | Seagate | Exos X18 | Enterprise | 5 | 550 | 2500000 | Enterprise nearline drive for datacenter-scale 24/7 workloads. | Manufacturer spec |
| 21 | Seagate | Exos X20 | Enterprise | 5 | 550 | 2500000 | Enterprise nearline drive for datacenter-scale 24/7 workloads. | Manufacturer spec |
| 22 | Seagate | Exos X22 | Enterprise | 5 | 550 | 2500000 | Enterprise nearline drive for datacenter-scale 24/7 workloads. | Manufacturer spec |
| 23 | Seagate | Exos X24 | Enterprise | 5 | 550 | 2500000 | Enterprise nearline drive for datacenter-scale 24/7 workloads. | Manufacturer spec |
| 24 | Seagate | Exos 7E8 | Enterprise | 5 | 550 | 2500000 | Enterprise nearline drive for datacenter-scale 24/7 workloads. | Manufacturer spec |
| 25 | Seagate | Exos 7E10 | Enterprise | 5 | 550 | 2500000 | Enterprise nearline drive for datacenter-scale 24/7 workloads. | Manufacturer spec |
| 26 | Seagate | SkyHawk AI | Surveillance-AI | 5 | 550 | 2000000 | Surveillance and AI drive for many-camera NVRs running video analytics. | Manufacturer spec |
| 27 | Seagate | SkyHawk | Surveillance | 3 | 180 | 1000000 | Surveillance drive built for 24/7 video recording. | Manufacturer spec |
| 28 | Seagate | BarraCuda | Desktop | 2 | Desktop drive - not for NAS or RAID; some capacities use SMR. | Manufacturer spec | ||
| 29 | Toshiba | N300 | NAS | 3 | 180 | 1000000 | NAS drive for up to 8-bay systems and 24/7 operation. | Manufacturer spec |
| 30 | Toshiba | MG06 | Enterprise | 5 | 550 | 2500000 | Enterprise MG-series nearline drive for 24/7 datacenter use. | Manufacturer spec |
| 31 | Toshiba | MG07 | Enterprise | 5 | 550 | 2500000 | Enterprise MG-series nearline drive for 24/7 datacenter use. | Manufacturer spec |
| 32 | Toshiba | MG08 | Enterprise | 5 | 550 | 2500000 | Enterprise MG-series nearline drive for 24/7 datacenter use. | Manufacturer spec |
| 33 | Toshiba | MG09 | Enterprise | 5 | 550 | 2500000 | Enterprise MG-series nearline drive for 24/7 datacenter use. | Manufacturer spec |
| 34 | Toshiba | MG10 | Enterprise | 5 | 550 | 2500000 | Enterprise MG-series nearline drive for 24/7 datacenter use. | Manufacturer spec |
| 35 | Toshiba | X300 | Performance | 2 | High-performance desktop drive - not rated for NAS or RAID. | Manufacturer spec | ||
| 36 | Toshiba | P300 | Desktop | 2 | Mainstream desktop drive - not for 24/7 NAS use. | Manufacturer spec | ||
| 37 | Toshiba | DT02 | Desktop | 2 | Entry desktop drive - SMR; avoid for NAS or RAID. | Manufacturer spec | ||
| 38 | Toshiba | L200 | Laptop | 2 | 2.5-inch laptop drive - SMR; not for NAS use. | Manufacturer spec | ||
| 39 | Toshiba | MQ04 | Laptop | 2 | 2.5-inch laptop drive - not for NAS or RAID. | Manufacturer spec |