Seagate BarraCuda 3.5" 20TB, 7200 RPM, 512MB, SATA III Hard Drive
Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Hard drive | |
| HDD interface | SATA |
| Device type | HDD |
| Weight & dimensions | |
| Weight | 695 g |
| Height | 26.1 mm |
| Width | 101.8 mm |
| Depth | 147 mm |
| Energy management | |
| Power consumption (typical) | 8.9 W |
| Start-up current | 2 A |
| Power consumption (idle) | 6.7 W |
| Operating voltage | 5 / 12 V |
| Operational conditions | |
| Storage temperature (T-T) | -40 - 70 °C |
| Operating temperature (T-T) | 10 - 60 °C |
| Packaging data | |
| Quantity per pack | 1 pc(s) |
| Packaging content | |
| Storage drive adapter included | ![]() |
| Other features | |
| Compliance certificates | RoHS |
| Features | |
| Drive capacity | 20 TB |
| Interface | Serial ATA |
| Type | HDD |
| HDD speed | 7200 RPM |
| Mean time between failures (MTBF) | 1000000 h |
| Average latency | 4.16 ms |
| Data transfer rate | 6 Gbit/s |
| Read speed | 190 MB/s |
| Write speed | 180 MB/s |
| HDD size | 3.5" |
| Hot-swap | ![]() |
| S.M.A.R.T. support | ![]() |
| Component for | PC |
| End-to-End Data Protection | ![]() |
| HDD interface transfer rate | 6 Gbit/s |
| HDD sustained transfer rate | 190 MiB/s |
| Market segment | Desktop |
| Storage drive buffer size | 512 MB |
| 24/7 operation | ![]() |
| EAN | 8719706439411 |
| Warranty | 2 years |
The Seagate BarraCuda ST20000DM001 is a 20 TB internal hard drive designed for desktop computer systems. It utilizes a standard 3.5-inch form factor and a SATA 6 Gbit/s interface, ensuring broad compatibility with most PC builds intended for storage expansion. The drive's 7200 RPM spindle speed contributes to its data access times, making it suitable for managing large media libraries, personal backups, and extensive data archives. This model is intended for users seeking to significantly increase their local storage capacity for data-intensive applications.
Data handling is supported by a 512 MB cache, which helps optimize read and write operations, with specified speeds of up to 190 MB/s and 180 MB/s respectively. The drive is rated for 24/7 operation and has a Mean Time Between Failures (MTBF) of 1,000,000 hours, indicating its design for continuous use in a desktop environment. It incorporates S.M.A.R.T. technology for monitoring drive health and has a workload rate limit of 120 TB per year, structuring it for typical personal and workstation data demands.
Key Features:- Offers 20 TB of storage capacity
- Utilizes a standard 3.5-inch desktop form factor
- Connects via a SATA 6 Gbit/s interface
- Operates at a 7200 RPM spindle speed
- Equipped with a 512 MB cache buffer
- Rated for 24/7 continuous operation
- Features S.M.A.R.T. drive monitoring support
- Measures 101.85 x 147 x 26.1 mm
Estimated delivery: 26.12 - 29.12
Today: 10:00 - 18:00
Estimated delivery: 26.12 - 29.12
Today: 09:00 - 17:00
Estimated delivery: 26.12 - 29.12
Today: 10:00 - 17:00
Estimated delivery: 26.12 - 29.12
Today: 10:00 - 18:00
Estimated delivery: 26.12 - 29.12
Today: 10:00 - 17:00
Estimated delivery time: 26.12 - 29.12
Estimated delivery time: 27.12 - 29.12
Estimated delivery time: 26.12 - 28.12
Estimated delivery time: 27.12 - 29.12
Estimated delivery time: 27.12 - 28.12
Estimated delivery time: 26.12 - 29.12
Estimated delivery time: 26.12 - 29.12
Estimated delivery time: 27.12 - 28.12


