HGST
HGST Ultrastar He8 0F23651 8TB 7200 RPM 128MB SAS 12Gb/s 3.5" internal hard drive
Helium-sealed enterprise drive delivers 8 TB at 7200 RPM with 128 MB cache and SAS 12Gb/s interface for high-density server storage
- PackagingBare Drive
- InterfaceSAS 12Gb/s
- Capacity8TB
- RPM7200 RPM
- Cache128MB
- Average Seek Time8.5ms
- 8TB capacity in standard 3.5-inch form factor
- 23% lower idle power than 6TB air drives
- 44% more power efficient per terabyte
- 7200 RPM with 128MB cache for responsive performance
- SAS 12Gb/s interface for next-gen data-center compatibility
Enterprise capacity drive
The HGST Ultrastar He8 0F23651 is an 8TB 3.5-inch internal hard drive built for server and data-centre workloads. It spins at 7200 RPM with a 128MB cache and connects through a SAS 12Gb/s interface. Helium-filled HelioSeal technology and a 7Stac design deliver high capacity in the standard form factor.
33% capacity gain over 6TB
Compared with 6TB air-filled drives this model adds 33% more storage while cutting idle power by 23% and improving power efficiency by 44% in Watts per TB. The 12Gb/s SAS link ensures compatibility with next-generation data-centre controllers. Average seek time is 8.5ms and average latency is 4.16ms.
Suits hyperscale and distributed storage
Designed for cloud, hyperscale and massive scale-out environments running distributed file systems such as Ceph or Hadoop. Buyers needing SATA-only connectivity or a smaller 2.5-inch form factor should look elsewhere. Secure erase and self-encrypting drive options are available for deployments that require them.
Highlights
- 8TB capacity in standard 3.5-inch form factor
- 23% lower idle power than 6TB air drives
- 44% more power efficient per terabyte
- 7200 RPM with 128MB cache for responsive performance
- SAS 12Gb/s interface for next-gen data-center compatibility
Specifications
| Brand | HGST |
|---|---|
| Series | Ultrastar He8 |
| Model | HUH728080AL4200 (0F23651) |
| Packaging | Bare Drive |
| Interface | SAS 12Gb/s |
| Capacity | 8TB |
| RPM | 7200 RPM |
| Cache | 128MB |
| Average Seek Time | 8.5ms |
| Average Write Time | 9ms |
| Average Latency | 4.16ms |
| Features | Industry's leading 8TB capacity in a standard 3.5-inch form factor Industry's best Idle and Active power efficiency (Watts/TB) Reliable, field-proven, 2nd generation HelioSeal process and 7Stac design Compared to 6TB air drives - 33% more capacity - 23% lower idle power - 44% more power efficient (Watts/TB) SATA 6Gb/s and SAS 12Gb/s - 12Gb/s SAS provides compatibility with next gen data centers 2M hours MTBF rating & 5-year limited warranty Secure erase & Self-Encrypting Drive (SED) options Advanced format 4Kn and 512e models Applications/Environments - Enterprise and data center app |
| Usage | Ideal for Servers |
| Form Factor | 3.5" |
| Height (maximum) | 26.1mm |
| Width (maximum) | 101.6(+/-0.25)mm |
| Length (maximum) | 147mm |
| Shipping weight | 1.13 kg |
| Package size | 305 × 229 × 102 mm |
Questions about this item
Will the 3.5-inch form factor with 26.1mm height fit my standard server drive bay?
Yes, the drive uses a standard 3.5-inch form factor measuring 147mm long, 101.6mm wide and 26.1mm high, matching common server bays.
What is the correct way to connect the SAS 12Gb/s interface and the step installers often miss?
Attach a SAS 12Gb/s cable to the drive's dual-port connector and ensure the backplane or controller also runs at 12Gb/s; the common error is using a 6Gb/s link which halves the bus speed.
When should I expect to replace the drive given its 2M hour MTBF rating?
The 2M hour MTBF rating indicates high reliability for continuous enterprise use; plan replacement based on your workload and SMART monitoring rather than a fixed calendar interval.
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