In an era where data is king, the volume of digital content created, processed, and stored is growing exponentially. From high-definition multimedia and extensive research data to expansive business databases and comprehensive backup systems, the need for larger storage capacities is more pressing than ever. This is where 22TB hard drives come into play, offering a solution to this ever-growing data challenge, especially for who have limited disk-bay devices.
In this post, we'll compare five such hard drives, diving into what makes each unique and suitable for different storage needs.
|
Brand |
Western Digital |
Seagate |
|||
|
Series |
Ultrastar DC HC570 |
Gold |
Red Pro |
Exos |
IronWolf Pro |
|
Model |
WUH722222ALE6L4 (0F48155) |
WD221KRYZ |
WD221KFGX |
ST22000NM001E |
ST22000NT001 |
| Design Use | Data Centre | Data Centre | NAS | Data Centre | NAS |
|
Specifications |
|||||
|
Recording technology |
CMR |
CMR |
CMR |
CMR |
CMR |
|
Interface |
SATA 6Gb/s |
SATA 6Gb/s |
SATA 6Gb/s |
SATA 6Gb/s |
SATA 6Gb/s |
|
Format: Sector size |
4Kn/512e | 512e | 512e | 4Kn/512e | 4Kn/512e |
|
Areal density (Gbits/sq. in.) |
1109 | Not Mentioned | Not Mentioned | 1260 | 1260 |
|
Number of Platters |
10 |
10 |
10 |
10 | 10 |
| Number of Heads | 20 | 20 | 20 | 20 | 20 |
|
Performance |
|||||
|
Cache |
512MB |
512MB |
512MB |
512MB |
512MB |
| Internal Transfer Rate | 291MB/s | 291MB/s | 265MB/s | 285MB/s | 285MB/s |
| Rotation Speed | 7200RPM | 7200RPM | 7200RPM | 7200RPM | 7200RPM |
| Reliability | |||||
| MTBF (Hours) | 2.5 Million | 2.5 Million | 2.5 Million | 2.5 Million | 2.5 Million |
| Annualized Failure Rate - AFR | 0.35% | 0.35% | Not Mentioned | 0.35% | Not Mentioned |
| Power Management | |||||
| Idle | 5.7W | 5.7W | 3.4W | 5.74W | 6.0W |
| Operational | 9.3W | 7.1W | 6.8W | 9.4W | 7.9W |
| Acoustics (Noisy Level) | |||||
| Idel | 20dBA (2.0 Bels) | 20dBA | 20dBA | 28-30dBA (2.8-3.0 Bels) | 20-30dBA |
| Performance Seek | 32dBA (3.2 Bels) | 32dBA | 32dBA | 32-34dBA (3.2-3.4 Bels) | 26-34dBA |
| Environmental - Operating | |||||
| Temperature | 5°C to 60°C | 5°C to 60°C | 0°C to 65°C | 5°C to 60°C | 0°C to 65°C |
| Shock (Read/Write) | 40G/40G | 40G/40G | 40G/40G | 40G/40G | 40G/40G |
| Environmental - Non-Operating | |||||
| Temperature | -40°C to 70°C | -40°C to 70°C | -40°C to 70°C | -40°C to 70°C | -40°C to 70°C |
| Shock | 200G | 200G | 200G | 200G | 200G |
Choosing the right 22TB hard drive depends on your specific needs. Whether it's for a home NAS system, business use or multimedia storage,each of these drives offers something unique. The Seagate models (Exos X22 and IronWolf Pro) are known for their reliability in heavy workloads. In contrast, WD's offerings (Red Pro, Gold, and Ultrastar) cater to a range of applications with their high performance and capacity.
When selecting a hard drive, consider factors like transfer rates, reliability metrics (like MTBF), workload rates, and the specific needs of your storage system. In the world of massive data storage, these 22TB giants are leading the way, each with its strengths and specialties.
Looking for 22TB hard drives? Get yours here >>>
Reference:
Ultrastar® DC HC570 Specifications
WD Gold® Enterprise Class SATA HDD Product Brief
Seagate Exos Exos X22 Datasheet
Seagate Exos X22 SATA Product Manual
Seagate Ironwolf Pro Datasheet