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DeskstarTM E7K1000
3.5-iNChhaRddiSKdRiVeS
Reliable, power-efficient hard drives for storage systems
Highlights Features and Benefits
> C
apacitiesupto1TB1
Feature / Function Benefits
> argeted1.2millionhoursMTBF2
T
> otationalVibrationSafeguard(RVS)
R Power Advanced Power Management Reduces power during idle periods
for robust performance in multi-drive HiVERTTM technology Best-of-breed power consumption
environments
Capacity 1TB, 750GB, 500GB Full range of enterprise capacity points
> -yearwarranty
5
> pto43%idlepowersavingsover
U Reliability Thermal Fly-height Control (TFC) Better soft error rate for improved reliability
previous generation products and performance
> uiltonindustry'smostreliable
B Head load/unload Protects disk during non-operation
PMR technology
ECC and CRC protection Data integrity enhanced throughout circuits
Applications SMART command transport Adaptive error correction
> R
aidarrays
Internal thermal sensor Improves data integrity
> earlinestorage
N
Performance 32MB cache buffer Faster data processing
> ideoSurveillance
V
Rotational Vibration Safeguard (RVS) Maintains high performance in multi-drive systems
Enterprise-class features and functions
The DeskstarTM E7K1000 delivers value to the enterprise with up to 1TB of capacity, 7200 RPM
performance and innovative technologies like Rotational Vibration Safeguard (RVS). Systems
with multiple drives installed are at risk for rotational vibration disturbance, which results from
simultaneous operation of neighboring drives. To mitigate any adverse impact on system
performance, Hitachi-patented RVS technology works to counteract this disturbance ensuring
drive performance and data integrity. With a SATA 3Gb/s interface which utilizes the same
physical connector as Serial Attached SCSI (SAS) drives, the Deskstar E7K1000 is ideal for
use in mixed-drive enterprise environments. The drive also has a targeted 1.2 million hours
MTBF rating and provides the industry's most comprehensive 5-year warranty.
1TB, 750 and 500GB Balanced power and performance for the enterprise
7200 RPM | SATA 3Gb/s The Deskstar E7K1000 hard drive provides an exceptional blend of power efficiency and
performance making it an ideal solution for power-conscious enterprises. Leveraging seventh-
generation power management technology, as well as power-saving innovations pioneered on
the popular 2.5-inch line of notebook hard drives from Hitachi, this new breed of drive delivers
best-in-class power management and thermal emissions to help manufacturers meet energy
compliance targets and extend drive life.
www.hitachiGST.com
DeskstarTM E7K1000
Specifications Hitachi quality and service
Model(s) HDE721010SLA330 All Hitachi hard drives are designed to the
HDE721075SLA330 highest quality standards with field-proven
HDE721050SLA330
components. They are backed by Hitachi's
Configuration
worldwide technical support and integration
Interface SATA 3Gb/s
services, enabling customers around the globe
Capacity (GB)1 1TB / 750 / 500
to bring their products to market quickly.
Max. areal density (Gbits/sq. in.) 244
Performance
How to read the Deskstar model number
Data buffer (MB)3 32
Rotational speed (RPM) 7200
HDE721050SLA330 = 500GB, 32MB buffer
H = Hitachi
Media transfer rate (Mbits/s, max) 1406
D = Deskstar
Interface transfer rate (MB/s, max) 300
E = Series prefix
4
Seek time (read, typical, ms) 8.5
72 = 7200 RPM
Reliability 10 = Full capacity--1TB
Error rate (non-recoverable, bits read) 1 in 1015 50 = Capacity this model, 50 =500GB
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