WD Red Pro vs Seagate IronWolf Pro
WD Red Pro and Seagate IronWolf Pro are the premium NAS drive tiers from the two biggest HDD manufacturers. Both target multi-bay rackmount and desktop NAS systems with heavier-than-average workloads — think always-on file servers, virtualization backing stores, multi-user editing, and large RAID arrays. If you are building a serious NAS and want the longest warranty and highest workload ceiling, the choice is between these two.
Quick comparison
WD Red Pro: 5-year warranty, 300 TB/year workload, up to 24 bays, CMR across all capacities, NASware 3.0 firmware. IronWolf Pro: 5-year warranty, 300 TB/year workload, up to 24 bays, CMR at most capacities, AgileArray with RV sensors, 3-year Rescue Data Recovery included. On paper the specs are nearly identical. In practice, the deciding factors are usually price at your target capacity and whether you value Seagate's bundled data recovery service.
Prices updated hourly from Amazon US and UK. All links go directly to the retailer.
WD Red Pro — Current Prices
Western Digital Red Pro NAS drives sorted by price per terabyte. 5-year warranty, 300 TB/year workload, CMR, designed for up to 24-bay NAS systems.
WESTERN DI - WD Red PRO Nas Hard Drive WD181KFGX - HD - 6176921
WD Red Pro 20TB NAS 3.5" Internal Hard Drive - 7200 RPM, SATA 6 Gb/s, CMR, 512MB Cache
Western Digital 18TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD181KFGX
Western Digital 22TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD221KFGX
WD Red Pro 24TB NAS 3.5" Internal Hard Drive - 7200 RPM, SATA 6 Gb/s, CMR, 512MB Cache
WD Red Pro 12TB NAS 3.5" Internal Hard Drive - 7200 RPM, SATA 6 Gb/s, CMR, 512MB Cache
WD Red Pro 14TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 512MB Cache
WD Red Pro 20TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 512MB Cache
Seagate IronWolf Pro — Current Prices
Seagate IronWolf Pro NAS drives sorted by price per terabyte. 5-year warranty, 300 TB/year workload, AgileArray with RV sensors, and 3-year Rescue Data Recovery.
Seagate IronWolf Pro 28TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 512MB Cache for RAID Network Attached Storage, Rescue Services (ST28000NT000)
Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001)
Seagate IronWolf Pro 20TB, Enterprise Internal NAS HDD, CMR 3.5 Inch, SATA 6GB/s, 7.200 RPM, 256MB Cache for RAID NAS, Rescue Services - Frustration Free Packaging (ST20000NTZ01)
Seagate IronWolf Pro 28TB, NAS internal hard drive, 3.5", 7200 U/Min, CMR, 512 MB Cache, SATA 6 GB/S, Data Rescue Service (ST28000NTZ00)
Seagate IronWolf Pro 16TB 7200 RPM SATA 6Gb/s 3.5" NAS HDD (ST16000NE000)
Seagate IronWolf Pro 16TB, Enterprise Internal NAS HDD, CMR 3.5 Inch, SATA 6GB/s, 7.200 RPM, 256MB Cache for RAID NAS, Data Rescue Services, Frustration Free Packaging (ST16000NTZ01)
Seagate IronWolf Pro 12TB, Enterprise Internal NAS HDD, CMR 3.5 Inch, SATA 6GB/s, 7.200 RPM, 256MB Cache for RAID NAS, Data Rescue Services, Frustration Free Packaging (ST12000NTZ01)
Seagate IronWolf Pro, 16 TB, NAS Internal Hard Drive, CMR 3.5 Inch, SATA 6 Gb/s 7,200 RPM, 256 MB Cache, for RAID Network Attached Storage, 3 years Rescue Services, FFP (ST16000NE000)
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