Description
Seagate IronWolf Pro 20TB Internal NAS Hard Drive (ST20000NT001-CR) – SATA 6Gb/s, 7200RPM, 3.5-Inch (Factory Recertified)
20TB Enterprise NAS Storage Drive
The Seagate IronWolf Pro ST20000NT001-CR is a high-capacity 20TB internal hard drive designed for professional NAS systems and enterprise RAID storage environments. Engineered for continuous 24×7 operation, the drive delivers reliable performance and durability for multi-user storage workloads.
This factory-recertified drive has been fully data-sanitized, tested, and restored by Seagate. It includes verified firmware and internal components and comes with a limited replacement warranty.
Optimized for NAS Environments
IronWolf Pro drives are specifically designed for multi-bay NAS systems. AgileArray firmware and rotational vibration sensors help maintain stable performance in RAID storage arrays and multi-drive systems.
Key Features
20TB Storage Capacity
3.5-Inch Form Factor
SATA 6Gb/s (Serial ATA-600) Interface
7200 RPM Spindle Speed
CMR (Conventional Magnetic Recording) Technology
IronWolf Health Management Support
Dual-Plane Balancing Technology
Time-Limited Error Recovery (TLER)
Rotational Vibration Sensors
24×7 Continuous Operation
Reliable Enterprise Storage
With NAS-optimized firmware and CMR recording technology, the drive supports consistent read/write performance in demanding storage environments such as NAS servers, RAID systems, and enterprise backup infrastructure.
Factory Recertified
These drives are manufacturer-recertified by Seagate. Each unit undergoes data sanitization, hardware diagnostics, and firmware verification before being approved for resale.
Ideal Applications
Network Attached Storage (NAS) systems
RAID storage arrays
Business file servers
Cloud backup systems
Enterprise data storage
Technical Specifications
Brand: Seagate
Series: IronWolf Pro
Model: ST20000NT001-CR
Capacity: 20TB
Form Factor: 3.5-Inch
Interface: SATA 6Gb/s
Rotational Speed: 7200 RPM
Recording Technology: CMR
Drive Type: Mechanical Hard Disk Drive (HDD)
Installation Type: Internal
Compatible Devices: NAS Servers, Desktop Storage Systems
Color: Black
Condition: Factory Recertified
Warranty: Limited Replacement Warranty















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