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HGST Ultrastar 7K2
3.5-inch Enterprise Hard Drive

HGST Ultrastar 7K2

HGST Ultrastar 7K2 Hard Drives
SATA Hard Drives - Secure Erase (SE)
HGST Ultrastar 7K2 3.5" 512n SE SATA Enterprise Hard Drive, 1TB
Model# HUS722T1TALA604 - Internal HDD, 3.5 Inch, 26.1mm, 1TB, 128MB, 7200RPM, SATA, Ultra, 512n Format, Secure Erase (SE)
#1W10001
Our Price: $90.00
HGST Ultrastar 7K2 3.5" 512n SE SATA Enterprise Hard Drive, 2TB
Model# HUS722T2TALA604 - Internal HDD, 3.5 Inch, 26.1mm, 2TB, 128MB, 7200RPM, SATA, Ultra, 512n Format, Secure Erase (SE)
#1W10002
Our Price: $130.00

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Overview:

Value to the Data Center with Performance-optimized Capacity for High-intensity Applications

Data centers that need fast access to data in Tier 2 environments need look no further. The HGST Ultrastar 7K2 delivers fast data access in capacityoptimized, enterprise-class storage systems. Enhanced RAFF technology in the 7K2 includes sophisticated electronics to monitor the drive and correct both linear and rotational vibration disturbances in real time—especially helpful in multi-drive arrays and rack-mounted systems maintaining high read/ write performance. Designed to handle workloads up to 550TB per year, the Ultrastar 7K2 delivers up to 2TB of affordable storage capacity for highintensity applications in enterprise-class environments.

Maximize Your Data Center Application Investment with Proven Storage Technology

Data centers face growing pressures to store more with flat-to-shrinking budgets. Keeping systems operational for as long as possible to maximize investments can be an effective part of the strategy, but supporting those legacy applications becomes even more challenging as drive technologies move to next generation formats and interfaces. The 7K2 has a SATA 6Gb/s interface and native 512-byte (512n) sector size to provide consistent, high performance and compatibility with legacy data center applications. Dualstage actuator technology provides a head positioning system that improves positional accuracy over the data tracks, enabling data to be written to and read from the drive more reliably. Trust HGST to deliver storage options that allow data centers to get the most from their hardware investment.

Designed with Data Center Requirements in Mind

Multi-axis shock sensor technology automatically detects the smallest shock events and compensates to protect stored data. RAID-specific, time-limited error recovery reduces drive fallout caused by extended hard drive errorrecovery processes. Ramp load/unload technology keeps the recording heads away from the disk media during idle time and power down, ensuring significantly less wear to the recording heads and media as well as better drive protection in transit. Through the use of dynamic fly height technology, each read-write head’s fly height is adjusted in real time for optimum reliability and performance. With a 2M hour MTBF rating and a 5-year warranty, rely on Ultrastar 7K2 to deliver capacity, performance and reliability for more value to your data center.

Quick Facts:

Highlights

  • Up to 2TB capacity in a standard 3.5-inch form factor
  • Enhanced RAFF™ anti-vibration technology for robust performance in multi-drive environments
  • Reliable, field-proven design
  • SATA 6Gb/s with 512-byte (512n) supports legacy enterprise applications
  • 2M hours MTBF rating & 5-year limited warranty

Applications/Environments

  • RAID arrays
  • Massive scale-out (MSO) data centers
  • Data warehousing & mining
  • Cloud storage
  • Enterprise NAS
  • Disk-to-disk backup & archiving
  • Legacy mainstream enterprise capacity applications that require 512n block size

Features and Benefits:


  Feature / Function Benefits
Capacity 2TB and 1TB Popular capacity points for high-intensity applications
Performance
  • Dual-stage actuator
  • Rotational vibration sensor technology
  • SATA 6Gb/s with 512n sectors
  • 128MB cache buffer
  • 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
  • Supports legacy enterprise systems
  • Improves response time and data management
Reliability
  • • RAID-specific time-limited error recovery
  • RAFF vibration compenstation technology
  • Multi-axis shock sensor
  • Load/unload ramp technology
  • 2M hours MTBF2 and 0.44% AFR
  • 5-year limited warranty
  • Reduces drive fallout caused by extended hard drive error-recovery processes
  • Helps maintain performance in high-vibration environments, common in multi-drive systems
  • Automatically detects the smallest shock events and compenstates to protect the data
  • Protects user data when power is removed
  • High reliability rating
  • Enterprise-class warranty rating

Specifications:


SATA Models
Configuration
Interface SATA 6Gb/s
Capacity1 (TB) 2TB / 1TB
Format: Sector size3 (bytes) 512 native (512n)
Max. Areal density (Gbits/sq. in.) 638
Performance
Data buffer4 (MB) 128
Rotational speed (RPM) 7200
Latency average (ms) 4.2
Interface transfer rate (MB/s, max) 600
Sustained transfer rate5
(MiB/s, typical)
(MB/s, typical)
MB/s: 200 (2TB)/184 (1TB); MiB/s: 191 (2TB)/175 (1TB)
Seek time6 (read/write, ms, typical) 7.7 (Read) / 8.3 (Write)
Reliability
Error rate (non-recoverable, bits read) 1 in 10^15
Load/Unload cycles (at 40ºC) 2.0
Availability (hrs/day x days/wk) 0.44%
MTBF2 (M hours) 600,000
Annualized Failure Rate2 (AFR) 24x7
Limited Warranty (yrs) 5
Acoustics
Idle (Bels, typical) 2.5 (Idle) / 2.8 (Operating)
Power
Requirement +5V, +12V
Operating7 (W) 8.1
Idle8 (W) 5.9
Power consumption efficiency at Idle (W/TB) 2.95Watts/TB (2TB)
5.9Watts/TB (1TB)
Physical size
z-height (mm) 26.1
Dimensions (width x depth, mm) 101.6 (+/-0.25) x 147 (max)
Weight (g, max) 640 (+/-10%)
Environmental (Operating)
Ambient temperature 5º to 60º C
Shock (half-sine wave, G, read operation) 65G (2 ms)
Vibration (G RMS, 10 to 300 Hz) 1.08 (XYZ)
Environmental (Non-Operating)
Ambient temperature -40º to 70º C
Shock (half-sine wave, G) 300G (2ms)
Random vibration (G RMS, 10 to 300 Hz) 3.8 (XYZ)

1 One MB is equal to one million bytes, one GB is equal to one billion bytes and one TB equals 1,000GB (one trillion bytes) when referring to hard drive capacity. Accessible capacity will vary from the stated capacity due to formatting and partitioning of the hard drive, the computer’s operating system, and other factors.
2 MTBF and AFR specifications are based on a sample population and are estimated by statistical measurements and acceleration algorithms under typical operating conditions for this drive model. MTBF and AFR ratings do not predict an individual drive’s reliability and do not constitute a warranty.
3 Portion of buffer capacity used for drive firmware
4 MiB/s is 220 bytes, MB/s is 106 bytes
5 Excludes command overhead

Documentation:

Download the HGST Ultrastar 7K2 Hard Drives Datasheet (.PDF)

 

HGST Ultrastar 7K2 Hard Drives
SATA Hard Drives - Secure Erase (SE)
HGST Ultrastar 7K2 3.5" 512n SE SATA Enterprise Hard Drive, 1TB
Model# HUS722T1TALA604 - Internal HDD, 3.5 Inch, 26.1mm, 1TB, 128MB, 7200RPM, SATA, Ultra, 512n Format, Secure Erase (SE)
#1W10001
Our Price: $90.00
HGST Ultrastar 7K2 3.5" 512n SE SATA Enterprise Hard Drive, 2TB
Model# HUS722T2TALA604 - Internal HDD, 3.5 Inch, 26.1mm, 2TB, 128MB, 7200RPM, SATA, Ultra, 512n Format, Secure Erase (SE)
#1W10002
Our Price: $130.00