Seagate Exos and IronWolf are two different lines of hard drives from Seagate that are designed for different use cases. Here’s a brief review and description of each:
Seagate Exos:
The Seagate Exos is a line of high-performance hard drives designed for use in enterprise-class data centers and other demanding storage environments. These drives are built to handle heavy workloads and provide fast read/write speeds, making them ideal for businesses that need high-capacity, reliable storage solutions. The Seagate Exos comes in capacities ranging from 1TB to 18TB, and features advanced technologies such as helium-sealed drives, advanced write caching, and RAID rebuild technology.
Seagate IronWolf:
The Seagate IronWolf is a line of hard drives designed for use in NAS (network-attached storage) systems. These drives are built to provide high-capacity storage and reliable performance, with features such as AgileArray technology, which helps to optimize performance and reduce power consumption. The IronWolf also comes with a built-in RV (rotational vibration) sensor, which helps to maintain performance in multi-drive systems. The Seagate IronWolf comes in capacities ranging from 1TB to 18TB.
Comparison:
When comparing the Seagate Exos vs IronWolf, the key difference is their intended use case. The Exos is designed for enterprise-class data centers and other high-performance storage environments, while the IronWolf is designed for use in NAS systems. Both drives offer high-capacity storage and reliable performance, but the Exos is built to handle heavier workloads and provide faster read/write speeds. The IronWolf, on the other hand, is optimized for multi-drive systems and offers features such as the RV sensor and AgileArray technology to help maintain performance in these environments.
In summary, the Seagate Exos and IronWolf are both excellent choices for high-capacity storage, but they are designed for different use cases. The Exos is best suited for enterprise-class data centers and other demanding storage environments, while the IronWolf is optimized for use in NAS systems.

Feature | Seagate Exos | Seagate IronWolf |
---|---|---|
Use case | Enterprise data centers | NAS systems |
Capacity | 1TB to 18TB | 1TB to 18TB |
RPM | 7200 | 5400 (1TB to 8TB) / 7200 (10TB to 18TB) |
Cache size | 256MB | 64MB (1TB to 6TB) / 256MB (8TB to 18TB) |
Interface | SATA, SAS | SATA, SAS |
Workload rating (TB/yr) | 550 to 900 | 180 to 300 |
RV (rotational vibration) sensor | No | Yes |
AgileArray technology | No | Yes |
RAID rebuild technology | Yes | No |
MTBF (mean time between failures) | Up to 2.5 million hours | 1 million hours |

This table highlights some of the key differences between the Seagate Exos and IronWolf hard drives, including their use case, capacity, RPM, cache size, workload rating, and features such as RV sensors, AgileArray technology, and RAID rebuild technology. The Seagate Exos is designed for high-performance storage in enterprise data centers, while the IronWolf is optimized for use in NAS systems. The Exos offers faster RPM and larger cache size, while the IronWolf features RV sensors and AgileArray technology for improved performance in multi-drive systems.