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Silver 3.5-inch bare drive with SAS connector and label showing Ultrastar He8 8TB

HGST

HGST Ultrastar He8 0F23301 8TB 7200 RPM 128MB SAS 12Gb/s 3.5" internal hard drive

SKU CH-9HY1-V5V6R MPN 0F23301

Enterprise-grade 8 TB helium-sealed drive with 7 200 RPM, 128 MB cache and 12 Gb/s SAS for high-density server storage

  • PackagingBare Drive
  • InterfaceSAS 12Gb/s
  • Capacity8TB
  • RPM7200 RPM
  • Cache128MB
  • Average Seek Time8.5ms
  • Highest 8TB capacity in a standard 3.5-inch form factor
  • 23% lower idle power than 6TB air drives
  • 44% more power efficient per terabyte
  • 12Gb/s SAS interface for next-gen data centres
  • 2nd generation HelioSeal helium platform for reliability

Enterprise Capacity

The HGST Ultrastar He8 0F23301 is an 8TB 3.5-inch internal hard drive built for servers and data-centre workloads. Its helium-sealed design delivers the highest capacity in the standard form factor while maintaining enterprise-grade reliability. The SAS 12Gb/s interface suits high-density storage arrays and distributed file systems such as Ceph or Hadoop. Buyers needing a SATA-only connection or a smaller 2.5-inch form factor should look elsewhere.

Thermals and Power

HelioSeal helium technology reduces internal drag, yielding industry-leading idle and active power efficiency measured in watts per terabyte. Compared with 6TB air-filled drives the 8TB model uses 23 percent less idle power and achieves 44 percent better watts-per-terabyte performance. The 7200 RPM spindle speed and 128MB cache sustain throughput without exceeding typical enterprise thermal envelopes. No acoustic or active cooling specifications are supplied.

Deciding Specification

The SAS 12Gb/s interface is the single attribute that determines compatibility; the drive will only operate in controllers or backplanes that support 12Gb/s SAS signalling. A SATA-only host bus adapter cannot use this drive, and no interposer or converter is included. Verify your storage controller supports SAS 12Gb/s before purchase.

Points forts

  • Highest 8TB capacity in a standard 3.5-inch form factor
  • 23% lower idle power than 6TB air drives
  • 44% more power efficient per terabyte
  • 12Gb/s SAS interface for next-gen data centres
  • 2nd generation HelioSeal helium platform for reliability

Caractéristiques

BrandHGST
SeriesUltrastar He8
ModelHUH728080AL5201 (0F23301)
PackagingBare Drive
InterfaceSAS 12Gb/s
Capacity8TB
RPM7200 RPM
Cache128MB
Average Seek Time8.5ms
Average Write Time9ms
Average Latency4.16ms
FeaturesIndustry'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
UsageIdeal for Servers
Form Factor3.5"
Height (maximum)26.1mm
Width (maximum)101.6(+/-0.25)mm
Length (maximum)147mm
Poids d’expédition0.77 kg
Dimensions du colis229 × 152 × 76 mm

Questions sur cet article

How do I install the SAS 12Gb/s drive in a 3.5-inch bay and which step is often missed?

Mount the bare drive using four screws in a standard 3.5-inch bay, connect the SAS data and power cables, then enable the drive in the RAID or HBA BIOS — the step most often missed.

What maintenance or replacement will the helium-sealed 8TB mechanism need over its service life?

The HelioSeal helium platform is hermetically sealed and requires no internal maintenance; replacement is only needed if SMART attributes report reallocated sectors or the 2M-hour MTBF rating is exceeded.

Which limit appears first during sustained 7200 RPM writes — thermal throttle or the 128MB cache flush?

The 128MB write cache fills first, forcing a flush at the 9ms average write latency, while the helium design keeps temperatures below the throttle point during sustained workloads.

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