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Silver 3.5 inch bare hard drive with exposed circuit board

HGST

HGST 0F25739 Ultrastar He8 8TB 7200 RPM 128MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-65GD-5MGYF MPN 0F25739

Helium-sealed 8TB enterprise drive with 7200 RPM, 128MB cache and SATA 6.0Gb/s interface

  • PackagingBare Drive
  • InterfaceSATA 6.0Gb/s
  • Capacity8TB
  • RPM7200 RPM
  • Cache128MB
  • Average Seek Time8.5ms
  • 8TB capacity fits massive datasets in a standard 3.5" bay
  • 7200 RPM spindle delivers 8.5ms average seek for responsive data access
  • 128MB cache buffers bursts to sustain throughput on SATA 6.0Gb/s
  • HelioSeal helium platform cuts watts-per-TB for cooler, denser deployments
  • Rated for 550TB yearly workloads with Rebuild Assist to speed RAID recovery

Enterprise 8TB helium drive

The HGST Ultrastar He8 HUH728080ALE600 delivers 8TB of storage in a standard 3.5-inch form factor. It uses a SATA 6.0Gb/s interface and spins at 7200 RPM with a 128MB cache. Designed for enterprise storage, it handles workloads of up to 550TB per year. The helium-sealed platform reduces internal turbulence for consistent operation.

Thermals and power efficiency

HelioSeal technology enables the industry's best idle and active power efficiency measured in watts per terabyte. Lower power draw translates to reduced heat output in multi-drive enclosures. Average latency sits at 4.16ms while average seek time is 8.5ms. The 26.10mm height fits standard drive bays without special cooling requirements.

Upgrade from lower-capacity arrays

This drive replaces multiple smaller drives in RAID or JBOD configurations, cutting slot count and cabling. Rebuild Assist accelerates RAID rebuild times while maintaining system performance during the process. The jump is worth it when consolidating 4TB or 6TB units to gain density and lower watts per terabyte. It is not for systems limited to 512-byte sector addressing without 512e support.

Points forts

  • 8TB capacity fits massive datasets in a standard 3.5" bay
  • 7200 RPM spindle delivers 8.5ms average seek for responsive data access
  • 128MB cache buffers bursts to sustain throughput on SATA 6.0Gb/s
  • HelioSeal helium platform cuts watts-per-TB for cooler, denser deployments
  • Rated for 550TB yearly workloads with Rebuild Assist to speed RAID recovery

Caractéristiques

BrandHGST
SeriesUltrastar He8
ModelHUH728080ALE600 (0F25739)
PackagingBare Drive
InterfaceSATA 6.0Gb/s
Capacity8TB
RPM7200 RPM
Cache128MB
Average Seek Time8.5ms
Average Write Time9ms
Average Latency4.16ms
FeaturesHighlights
- Spacious 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
- Rebuild Assist mode shrinks RAID recovery time and nearly eliminates system performance degradation during rebuild
- Compared to 4TB Ultrastar 7K4000
Double the capacity
60% more power efficient (Watts/TB)
1.5X to 3X faster random write performance thanks to media cache architecture
19% faster sequential read/write performance
- SATA 6Gb/s and SAS 12Gb/s
- Advanced format 4Kn a
UsageFor Enterprise Storage
Form Factor3.5"
Height (maximum)26.10mm
Width (maximum)101.60mm
Length (maximum)147.00mm
Poids d’expédition1.13 kg
Dimensions du colis154 × 136 × 29 mm

Questions sur cet article

How do I install this 3.5" SATA 6.0Gb/s drive and what step is often missed?

Mount the bare drive in a 3.5" bay using the standard side screw holes, connect the SATA data cable to a 6.0Gb/s port and the SATA power cable, then ensure the host controller is set to AHCI mode so the 128MB cache and 7200 RPM performance are fully utilised.

What maintenance or replacement will the HelioSeal helium platform need later?

The sealed helium design requires no internal maintenance; plan replacement after the 550TB per year workload rating is reached or when SMART attributes indicate wear, as the HelioSeal process cannot be serviced in the field.

What limit appears first during sustained heavy writes on this enterprise drive?

The 550TB per year workload rating is the first sustained-use limit; exceeding it can accelerate wear beyond the 2nd generation HelioSeal and 7Stac design specifications.

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