$169.00

Hitachi Ultrastar A7K2000 HUA722020ALA330 2TB 7200RPM 3.5-inch Enterprise SATA Hard Drive
[HUA722020ALA330-Used]

Hitachi Ultrastar A7K2000 HUA722020ALA330 2TB 7200RPM 3.5-inch Enterprise SATA Hard Drive

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Product Description

Hitachi Ultrastar A7K2000

Shipping the world’s first enterprise class, 7200 RPM, 2TB drive for high-capacity nearline environments

Highlights

  • Up to 2 terabytes1 of capacity

  • Enhanced Rotational Vibration Safeguard
    (RVS) for robust performance in multi-drive
    environments

  • 24x7 enterprise-class duty cycle

  • Targeted 1.2 million hours MTBF2

  • 3Gb/s SATA for configuration flexibility

Applications

  • Data warehousing & mining

  • Disk-to-disk backup & archiving

  • Rack mounted RAID arrays

  • Network Attached Storage (NAS)

  • Cloud storage

  • Massive Scale Out (MSO)

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Doubling the capacity density

As data center professionals across the globe work to meet growing enterprise needs, they
face the dilemma of storing more data in the same footprint while also reducing power and HVAC
consumption. The new Ultrastar™ A7K2000 provides twice the data storage capacity of the
prior generation Ultrastar A7K1000 drive, and does so using fewer watts. It is now possible to
achieve a colossal 1.2 petabytes (PB) in the footprint of a standard 19-inch enterprise storage
rack by deploying the 2TB A7K2000 in a stack of ten 4U, 60-bay enclosures.

Combining 7200 RPM performance and granular power control

Operating at 7200 RPM, the Hitachi Ultrastar A7K2000 offers better overall performance than
slower-RPM, capacity-oriented drives at impressively low power-consumption rates. When
compared to the previous generation Ultrastar A7K1000, the A7K2000 offers up to a 155%
improvement in sustained data transfer rate, and a 120% improvement in watts-per-GB. With
five Advanced Power Management modes, a 36% reduction in watts during low-RPM idle
mode, and using less than 1W during standby/sleep mode, the Ultrastar A7K2000 can help
data centers achieve lower AC power and HVAC requirements, freeing up precious headroom
for growing enterprise needs.

 Model(s) Standard models
HUA722020ALA330
HUA722010CLA330 HUA722050CLA330
 Configuration    
 Interface    SATA 3Gb/s  
 Capacity (GB)1    2TB / 1TB / 500  
 Sector size (bytes)    512  
 Max. areal density (Gbits/sq. in.) 2TB
                                                    <2TB  
285  
352  
 Performance    
 Data buffer (MB)  32  
 Rotational speed (RPM)    7200  
 Interface transfer rate (MB/s, max)    300  
 Sustained transfer rate (typical, MB/sec)    134  
 Seek time (read, typical, ms)  2TB
                                              <2TB  
 8.2
 8.5  
 Reliability    
 Error rate (non-recoverable, bits read)    1 in 1015  
 Load/unload cycles (at 40˚ C)    300,000  
 Availability2 (hrs/day x days/wk)    24x7  
 Targeted MTBF2 (hrs)    1,200,000  
 Acoustics    
 Idle (typical, Bels)  

 2TB  

 

 <2TB  

 2.9  

 2.4  

 Power    
 Requirement    +5 VDC (+/-5%),
+12 VDC (+10%/-8%)  
 Startup current (max. A)    2.0 (+12V), 1.2 (+5V)  
 Read/write (W)  2TB  
                          <2TB  
 11.1  
 8.4  
 Unload Idle (W)   2TB  
                            <2TB  
 5.6
 3.9  
 Power consump. efficiency index (W/GB)    0.0028 / 0.0039 / 0.0078  
 Physical size    
 z-height (mm)    26.1  
 Dimensions (width x depth, mm)    101.6 (+/-0.25) x 147  
 Weight (typical, g, max.)  2TB  
                                        <2TB  
 740
 680  
 Environmental (operating)    
 Ambient temperature    5o to 60o C  
 Shock (half-sine wave, G)    70  
 Vibration, random (G RMS 5 to 500 Hz)    0.67 (XYZ)  
 Environmental (non-operating)    
 Ambient temperature    -40o to 70o C  
 Shock (half-sine wave, G)  2TB  
                                          <2TB  
 300
 350  

 

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