Hitachi 0F23653 8TB SAS Hard Drive

Hitachi Part #/MPN: 0F23653

DiscTech Item #: HIT-0F23653-BN-5Y

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Enterprise Grade

Capacity: 8TB

Speed: 7,200RPM

Interface Types: SAS Serial Attached SCSI

Form Factor: 3.5inx1.0in LFF Hard Drive

Encryption/SED Supported

Sector Size: 4Kn

Sustained Throughput: 205

Average Seek Time: 8.5/9.0

Electrical Interface: SAS-3 Serial Attached SCSI v3 - 12.0Gbps

On-Board Cache: 128MB

Hitachi Ultrastar He8 0F23653 / HUH728060AL4201 8TB 12Gbps 7.2K RPM 4Kn SED Enterprise SAS Hard Drive - Brand New

Hitachi Ultrastar He8 0F23653 / HUH728060AL4201 8TB 12Gbps 7.2K RPM 4Kn SED Enterprise SAS Hard Drive - Brand New

Alt MPN: HUH728060AL4201


  • 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 compatible with next gen data centers; backwards compatible with 6Gb/s SAS
  • 2.5M hours MTBF rating
  • Instant Secure Erase (ISE) & Self-Encrypting Drive (SED) options
  • Advanced format 4Kn and 512e models


    Enterprise and data center applications where capacity density and power efficiency are paramount
  • Cloud & Hyperscale storage
  • Massive scale-out High-density data centers (MSO)
  • Distributed Files Systems like Ceph™ and Hadoop® to support Big Data Analytics
  • RAID arrays
  • Video surveillance & content distribution
  • Ideal for all mainstream enterprise capacity applications

HelioSeal® Delivers Twice the Capacity Using One-Quarter Less Power

One-third more capacity and 23% lower energy consumption. Available today. That’s the power of helium. Delivering the industry’s leading capacity at 8TB, Ultrastar He8 is based on the widely accepted and proven HelioSeal® platform. HelioSeal technology replaces air with helium inside the drive, reducing air turbulence and enabling 7Stac™, a seven-disk design in a traditional 3.5-inch form factor. Ultrastar He8 goes beyond what any air-based HDD can do and seamlessly integrates into virtually any mainstream enterprise environment. Cooler and quieter with industry leading power efficiency (Watts/TB) and no-compromise performance, the Ultrastar He8 lays the foundation for future growth in massive scale-out environments.

TCOptimized™ – Increasing Storage Efficiency to Drive Down Data Center TCO

We recognize the growing pressures that data centers face. Volume is expanding, operating costs are rising while budgets remain flat. Lowering the total cost of ownership (TCO) has become the focus of data center architects.
Ultrastar He8 provides the best TCO value proposition and delivers greater storage efficiency with breakthroughs in capacity, power efficiency and best-in-class performance. This HelioSeal hard drive achieves up to 3X higher random write performance than the prior generation, Ultrastar He6, thanks to HGST media cache architecture, a disk-based caching technology. He8 offers a 12Gb/s SAS (6Gb/s SATA) interface for easy integration into high performance data centers. Features like Rebuild Assist dramatically reduce RAID rebuild times and maintain system performance during the rebuild process. Learn more in our Rebuild Assist technical brief.

Data Security with Industry Leading Quality and Reliability

Compliance and privacy requirements drive the need for increased data security. Ultrastar He8 offers security and encryption options to protect data from unauthorized use. Instant Secure Erase (ISE) models expedite drive redeployment and retirement. Encryption models protect data with hardware-based encryption, including a Trusted Computing Group (TCG) option with FIPS 140-2 certification, Level 2. The Ultrastar He8 extends HGST’s long-standing tradition of reliability leadership with a 2.5M-hour MTBF rating and a 5-year limited warranty. HGSTs drive reliability and security options also help lower data center TCO.


This drive is compatible with any server that accepts 3.5"x1.0" (LFF) SAS drives.

Drive Model0F23653
Alt ModelHUH728060AL4201
InterfaceSAS 12Gb/s
Capacity (GB) at 512 bytes/sector8TB/8000GB
Format Sector size (bytes)4Kn: 4096, 4112, 4160, 4224
512e: 512, 520, 528
Max. areal density (Gbits/sq. in)664
Data buffer (MB)128
Rotational speed (RPM)7200
Latency average (ms)4.16
Interface transfer rate (MB/s, max)1200
Sustained transfer rate (MiB/s, typical)195
Sustained transfer rate (MB/s, typical)205
Seek time (read/write, ms, typical)8.5/9.0
Error rate (non-recoverable, bits read)1 in 10e15
Load/Unload cycles (at 40° C)600,000
Availability (hrs/day x day/wk)24x7
MTBF (M hours)2.0
Idle/Operating (Bels,typical)2.0/3.6
Requirement+5 VDC, +12VDC
Idle (W)5.7W
Power consumption efficiency at Idle (Watts/TB)0.71
Power consumption efficiency at Idle (Watts/GB)0.00071
z-height (mm/in, max)26.1/1.0275
Width (mm/in)101.85/4.009
Depth (mm/in)147/5.787
Weight (g/ib, max)650/1.433
Ambient temperature5º to 60º C
Shock (half-sine wave 2 ms, G)70
Vibration (G RMS, 5 to 500 Hz)0.67 (XYZ)
Ambient temperature-40o to 70o C
Shock (half-sine wave, 1ms, G)300(1ms) / 150(11ms)
Vibration (G RMS, 5 to 500 Hz)1.04 (XYZ)

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ROHS Compliant

Alternate MPNs: HUH728060AL4201

Weight: 1.8 lb

Warranty: 5 Year Manufacturer

Brand New

Condition Levels Explained

The product is brand new.

5 Year Manufacturer Warranty

Product Warranties Explained

The product has a manufacturer warranty for the time period specified.