™
WD Se
Datacenter Capacity HDD
Optimal Storage for NAS and Scale-Out Architectures
WD’s Se hard drives provide an ideal solution for
scale-out datacenters, delivering a cost-effective combination
of performance, reliability, and workload capability while
maintaining the hardiness of a true enterprise-class design. All
WD datacenter storage devices are designed from the ground
up to deliver optimal performance and maximum data integrity
while running 24x7x365 in demanding multi-slot environments.
INTERFACE
WIDTH/HEIGHT
ROTATIONAL SPEED
CAPACITIES
SATA 6 Gb/s
3.5-inch/1-inch
7200 RPM
2 TB to 4 TB
MODEL NUMBERS
WD4000F9YZ
WD3000F9YZ
WD2000F9YZ
Note: Not all products may
be available in all regions of
the world.
Product Benefits
Cost effective enterprise-class
storage
Get the right blend of performance,
reliability and capacity and keep your
total cost of ownership low.
Dynamic fly height technology
Environmentally responsible
NoTouch™ ramp load technology
Each read-write head’s fly height is
adjusted in real time for optimum
reliability.
In addition to being RoHS compliant,
these drives are built with halogen
reduced components.
The recording head never touches
the disk media ensuring significantly
less wear to the recording head
and media as well as better drive
protection in transit.
Vibration Protection
Enhanced RAFF™ technology
StableTrac™
24x7x365 reliability
The motor shaft is secured at both
ends to reduce system-induced
vibration and stabilize platters for
accurate tracking during read and
write operations. (2 TB and above)
Thermal extended burn-in test
includes sophisticated electronics
to monitor the drive and correct
both linear and rotational vibration in
real time. The result is a significant
performance improvement in high
vibration environments over the
previous generation of drives.
Choose the storage foundation
specifically designed for SMB to
high-end NAS and large-scale
datacenter replication environments
running 24x7x365.
Each drive is put through extended
burn-in testing with thermal cycling to
ensure reliable operation.
Multi-axis shock sensor
Advanced Format (AF)
Maximum capacity for hyperscale
environments
Build a massive data footprint with
capacities up to 4 TB - 144 TB per
square foot.
Automatically detects the subtlest
shock events and compensates to
protect the data.
Technology adopted by WD and
other drive manufacturers as one of
multiple ways to continue growing
hard drive capacities. AF is a more
efficient media format that enables
increased areal densities.
Dual actuator technology
A head positioning system with two
actuators that improves positional
accuracy over the data track(s). The
primary actuator provides coarse
displacement using conventional
electromagnetic actuator principles.
The secondary actuator uses
piezoelectric motion to fine tune the
head positioning to a higher degree
of accuracy.
RAID-specific, time-limited error
recovery (TLER)
Prevents drive fallout caused by the
extended hard drive error-recovery
processes common to desktop
drives.
Dual processor
Twice the processing power to
maximize performance.
Applications
Ideal for bulk cloud storage, replicated environments, content delivery networks (CDNs), SMB to high-end network attached storage (NAS), backup and archiving.
The WD Advantage
WD puts our datacenter products through extensive Functional Integrity Testing (F.I.T) prior to any product launch. This testing ensures our products consistently
meet the high quality and reliability standards of the WD brand. Following a FIT test the Enterprise System Group (ESG) testing validates interoperability with HBAs,
operating systems and drivers to ensure an even greater level of quality, reliability and peace of mind.
WD also has a detailed Knowledge Base with helpful articles and software utilities. Our customer support lines have longer operational hours to ensure you get the
help you need when you need it. Our toll-free customer support lines are here to help or you can access our WD Support site for additional details.
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