Due to the helium filling, the power consumption is only just under 8 watts in operation; when the drive is put to sleep, the Ironwolf Pro makes do with just under 1 watt. The drive is designed for NAS systems with up to 24 bays; vibration sensors measure vibrations of neighbouring drives to optimise head control. The warranty is 5 years, but the drive is (still) relatively expensive.
Seagate IronWolf Pro
4 TB, 3.5"More than 10 pieces in stock
Product details
NAS hard drive for businesses and enterprises. 3.5-inch hard drive, 4 TB, SATA III (6 Gb/s), 7200 rpm. Application area: NAS. 3 years of Rescue Data Recovery Services for hassle-free data recovery. Workload performance of up to 550 TB/year, 2.5 million hours MTBF, and a 5-year limited warranty for excellent total cost of ownership. Facilitates data protection through prevention, intervention, and recommendations for data recovery to maintain optimal system condition. The powerful Seagate IronWolf Pro ST4000NT001 3.5-inch hard drive ensures smooth data storage. With a 3.5-inch form factor and up to 4 TB of storage capacity, it provides ample space for your data. Equipped with a SATA3 interface, it allows for data transfer rates of up to 600 megabytes per second. The 7200 rpm rotational speed and 256 MB cache optimize performance for quick access to frequently used files. The Seagate IronWolf Pro is the ideal choice for demanding applications and reliable data storage.
Scope of application | NAS |
Interface | SATA |
Interface version | SATA III |
Cache | 256 MB |
Sustained Speed HDD | 250 MB/s |
Max. Speed | 7200 RPM |
Storage Technology | CMR |
Documents |
Item number | 21950870 |
Manufacturer | Seagate |
Category | Hard drives |
Manufacturer no. | ST4000NT001 |
Release date | 9.8.2022 |
Sales rank in Category Hard drives | 20 of 2848 |
External links |
Scope of application | NAS |
Interface | SATA |
Interface version | SATA III |
Form factor | 3.5" |
Storage capacity | 4 TB |
Cache | 256 MB |
Sustained Speed HDD | 250 MB/s |
Max. Speed | 7200 RPM |
Storage Technology | CMR |
Hard disk filling | Air |
Max. Workload Rate | 550 TB/J |
MTBF | 2000000 h |
Hard disk additional functions | Hot plugging |
Maximum operating temperature | 65 °C |
Max. noise level | 28 dB |
Power consumption (standby) | 1 W |
Power consumption | 8.70 W |
Country of origin | China |
Manufacturer commitment | SBTi |
CO₂ emissions | 234.8 kg |
Climate contribution | CHF 5.59 |
Scope of delivery | 3 years Seagate Rescue data recovery |
Length | 14.70 cm |
Width | 10.19 cm |
Height | 2.61 cm |
Weight | 650 g |
Length | 23.90 cm |
Width | 15.80 cm |
Height | 7.30 cm |
Weight | 722 g |
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Reviews & Ratings
Warranty score
How often does a product of this brand in the «Hard drives» category have a defect within the first 24 months?
Source: Digitec Galaxus- 3.HPE0.9 %
- 4.Dell1 %
- 5.Toshiba1.6 %
- 5.WD1.6 %
- 7.Seagate2.1 %
Warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec Galaxus- 1.HPE0 days
- 2.Seagate3 days
- 2.Synology3 days
- 2.Toshiba3 days
- 2.WD3 days
Return rate
How often is a product of this brand in the «Hard drives» category returned?
Source: Digitec Galaxus- 2.Synology1.5 %
- 3.WD2.5 %
- 4.Seagate3.1 %
- 5.Toshiba3.2 %
- 6.HPE8.4 %
- Excellent read and write performance
- Imposing storage space
- High price
The Seagate IronWolf Pro 20TB impresses in many respects in the test. In addition to the gigantic storage capacity of 20,000 GB, the read and write performance is also top-notch. In addition, there are a lot of features for optimised use in network storage (NAS). Thus, the 3.5-inch hard disk is not only interesting for data centres and commercial servers, but also for private users who are looking...