Seagate IronWolf Pro
20 TB, 3.5", CMRPrice in EUR including VAT, free shipping
Delivered between 12.2.2025 and 28.2.2025
Max. Workload Rate
Memory Size
Product details
Seagate IRONWOLF 20TB.
| Interface | SATA III |
| Storage Technology | CMR |
| Memory Scope of application | NAS |
| Max. Speed | 7200 RPM |
| Item number | 17728311 |
| Manufacturer | |
| Category | |
| Manufacturer no. | ST20000NE000 |
| Release date | 22.11.2021 |
| External links |
| Memory Scope of application | NAS |
| Data storage interface | SATA III |
| Form factor | 3.5" |
| Hard drive height | 20 mm |
| Storage capacity | 20 TB |
| Cache | 256 MB |
| Sustained Speed HDD | 285 MB/s |
| Max. Speed | 7200 RPM |
| Storage Technology | CMR |
| Hard disk filling | Helium |
| Max. Workload Rate | 300 TB/J |
| Hard disk additional functions | Hot plugging |
| Maximum operating temperature | 65 °C |
| Max. noise level | 32 dB |
| Power consumption (standby) | 1 W |
| Power consumption | 7.70 W |
| Manufacturer commitment | SBTi |
| Scope of delivery | IronWolf Pro 3.5" SATA 20 TB |
| Length | 14.70 cm |
| Width | 101.85 cm |
| Height | 26.11 cm |
| Weight | 670 g |
| Length | 20.50 cm |
| Width | 13.10 cm |
| Height | 5.90 cm |
| Weight | 745 g |
Specifications may include unverified machine translations.
14-day cancellation right
30-day right of returnReturn policy
30-day right of returnReturn policy
24 Months Statutory warrantyGuarantee provisions
Reviews & Ratings
Statutory warranty score
How often does a product of this brand in the «Hard drives» category have a defect within the first 24 months?
Source: Galaxus- 2.HPE0,7 %
- 3.Synology0,9 %
- 4.WD1,4 %
- 5.Seagate1,6 %
- 6.Toshiba1,8 %
Statutory 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: Galaxus- 1.HPE1 day
- 2.Seagate2 days
- 2.WD2 days
- 4.Synology4 days
- 4.Toshiba4 days
Return rate
How often is a product of this brand in the «Hard drives» category returned?
Source: Galaxus- 1.WD2,1 %
- 2.Synology2,4 %
- 3.Seagate3 %
- 4.Toshiba3,8 %
- 5.Dell4 %
Source: Galaxus
Translation: machine translated
Overall ratingVery good85/100
Good70/100
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.
Very good100/100
- 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...