HGST HUH721010ALN600 / 0F27502 / 0F27519 10TB SATA Hard Drive

Hitachi Part #/MPN: HUH721010ALN600

DiscTech Item #: HIT-HUH721010ALN600-NP-OE

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Enterprise Grade

Capacity: 10TB

Speed: 7,200RPM

Interface Types: SATA

Form Factor: 3.5inx1.0in LFF Hard Drive

Sector Size: 4Kn

Sustained Throughput: 237/249

Average Seek Time: 8.0/8.6

Electrical Interface: SATA 600 - 6.0Gbps

On-Board Cache: 256MB

HGST / Hitachi Ultrastar DC HC510 (He10) HUH721010ALN600 / 0F27502 / 0F27519 / 0F27607 10TB 3.5" 6Gbps 7.2K RPM 4Kn ISE SATA Hard Drive - New Pull

HGST / Hitachi Ultrastar DC HC510 (He10) HUH721010ALN600 / 0F27502 / 0F27519 / 0F27607 10TB / 10,000GB 3.5" 6.0 Gb/s 7200 RPM 4K Native Instant Secure Erase / ISE Serial ATA / SATA Hard Drive / HDD - New Pull

Ultrastar He10

Massive Capacity, Power Efficiency and Reliability Delivers Value to the Data Center
Laying the foundation for a worry-free data center, HGST delivers an exceptional capacity hard drive for the enterprise – Ultrastar He10. Designed to handle workloads up to 550TB per year, the Ultrastar He10 uses PMR technology and is the industry’s first 10TB drive that is drop-in ready for any enterprise-capacity application or environment. Based on field proven, third generation HelioSeal® technology, it offers one of the lowest power profiles in the industry to help data center architects meet eco-environmental goals and requirements. Targeted at 2.5M hours MTBF, the He10 provides the highest reliability rating available of all HDDs on the market today by building on the successful design of its 8TB and 6TB predecessors. Trust HGST and Ultrastar He10 to deliver more capacity, more efficiency, more reliability and more value to your data center.

HelioSeal® Technology Helps Solve Challenges Facing Next Generation Data Centers
Data centers are facing growing pressures. Data volume is expanding, operating costs are rising, yet budgets remain flat. Lowering the total cost of ownership (TCO) has become the focus of data center architects and the Ultrastar He10 addresses this challenge by delivering both value and efficiency. Compared to 8TB air-filled drives, this HelioSeal hard drive provides 25% more capacity, uses 34% less idle power, is 44% more power efficient (Watts/ TB), and is 25% more reliable, rated at 2.5M hours MTBF. New features include a second-generation, dual-stage actuator — the HGST Micro-Actuator — enhancing head-positioning accuracy to deliver better performance, data integrity and overall drive reliability, especially in multi-drive environments where operational vibration is present. Refer to our HMA technical brief to learn more. A choice of 6Gb/s SATA and 12Gb/s SAS interface enables easy integration into high performance data centers.

Data Durability and Security with Industry-Leading Quality and Reliability
As drive capacity grows beyond single-digit TBs, object storage systems with erasure coding provide better data durability compared to RAID systems, given its tolerance for simultaneous errors conditions. Ultrastar He10 is a best fit for object storage implementations given its massive capacity and industry leading reliability rating. Compliance and privacy requirements drive the need for increased data security. Ultrastar He10 offers security and encryption options to protect data from unauthorized use, including a new option for TCG support on some SATA models.

HGST Quality and Service
Ultrastar He10 extends the HGST brand’s long-standing tradition of performance and capacity leadership. The proven drive design enables high reliability and availability to customer data. Ultrastar quality, performance and world class technical service and support provides customers with a lower total cost of ownership over previous generations. HGST drives are backed by an array of technical support and services, which may include customer and integration assistance. Dedicated to providing a complete portfolio of devices and systems, HGST products help the world harness the power of data.


  • 10TB capacity1 in a standard 3.5-inch form factor
  • PMR technology works with all capacity enterprise applications & environments
  • Reliable, field-proven, 3rd generation design
  • Superior power efficiency (Watts/TB)
  • Compared to 8TB air drives
  • 25% more capacity
  • 44% more power efficient (Watts/TB)
  • 25% more reliable
  • 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 MTBF2 rating
  • Instant Secure Erase (ISE) & Self-Encrypting Drive (SED) options



  • Enterprise and data center applications where capacity density and power efficiency are paramount
  • Cloud & Hyperscale storage
  • Massive scale-out high-density data centers (MSO)
  • Bulk storage using object storage solutions like Ceph™ and Hadoop® to support Big Data Analytics
  • Centralized video surveillance
  • Drop-in ready for all mainstream enterprise capacity applications


Features & Benefits
Capacity10TB and 8TB10TB provides 25% more capacity than 8TB drives
Power EfficiencyVery low Watts per terabyte (W/TB44% lower idle W/TB than 8TB air drives
  • HGST Micro-Actuator
  • Rotational Vibration Safeguard (RVS)
  • NVC Quick Cache (SAS only)
  • Media cache architecture
  • Rebuild Assist mode
  • SATA 6Gb/s & SAS 12Gb/s
  • 256MB cache buffer
  • More accurate head positioning, especially in multi-drive environments, for better performance, data integrity and reliability
  • Maintains drive performance in high rotational vibration environments and multi-drive systems
  • Better random write performance
  • Dramatically improves RAID recovery time and maintains system performance during recovery
  • Provides compatibility with high-performance data centers
  • Improves response time and data management
  • Dual safe firmware
  • 2.5M hours MTBF2 and 0.35% AFR2
  • Retains previous firmware version for safe firmware updates
  • Industry’s highest reliability rating for Capacity Enterprise HDD for fewer failures/less service needs
Data Security
  • Instant Secure Erase
  • New TCG option for SATA models
  • Enables swift and efficient drive redeployment and retirement
  • Hardware-based encryption protects data from unauthorized use


This drive is compatible with any server that accepts 3.5inx1.0in 4Kn SATA Drive.

HGST Ultrastar He10
Model NumberHUH721010ALN600
Alt Model Number0F27502
Data Security ModeInstant Secure Erase
InterfaceSATA 6Gb/s
Capacity(TB)10TB / 10,000GB
Format: Sector size(bytes)4Kn: 4096
Max. Areal density(Gbits/sq. in.)816
Data Buffer(MB)256
Rotational Speed(RPM)7,200
Latency Average(ms)4.16
Interface transfer rate(MB/s, max)600
Sustained Transfer Rate237/249
Seek Time(read/write, ms, typical)8.0/8.6
Error rate(non-recoverable, bits read)1 in 10^15
Load/Unload cycles(at 40ºC)600,000
Availability(hrs/day x days/wk)24 x 7
MTBF(M hours)2.5
Annualized Failure Rate(AFR)0.35%
Idle (Bels, typical)2.0/3.6
Requirement+5 VDC, +12VDC
Power consumption efficiency at Idle (W/TB)
  • Watts/TB
  • Watts/GB
  • 0.50
  • 0.00050
Physical size
z-height (mm)
Dimensions(width x depth, mm)101.6(+/-0.25) x 147
Weight (g, max)660
Environmental (Operating)
Ambient temperature5º to 60º C
Shock(half-sine wave 2 ms, G)70
Vibration(G RMS 5 to 500 Hz)0.67 (XYZ)
Environmental (Non-Operating)
Ambient temperature-40º to 70º C
Shock(half-sine wave, G)300 (2ms) / 150 (11ms)
Random vibration(G RMS 2 to 200 Hz)1.04 (XYZ)

Click here to view the manufacturer's item description/brochure

ROHS Compliant

Alternate MPNs: 0F27502

Weight: 1.8 lb

Warranty: 1 Year DiscTech

New Pull

Condition Levels Explained

The product has been mounted in a brand new system (e.g. server), then removed from the system, before entering service. These products may have some hours of usage due to system build time / burn-in / testing etc. New Pulls are guaranteed to have at least 95% (often 99%) of their service life remaining , they may show signs of being physically mounted and dismounted. All handling is performed by trained technicians, taking full ESD precautions.

1 Year DiscTech Warranty

Product Warranties Explained

The product has a DiscTech warranty for the time period specified. View our limited warranty