The Ultrastar 7K4000 hard drives feature
Advanced Format technology. Advanced
Format increases the physical sector size on
hard drives from 512 bytes to 4096 (4K)
bytes, which increases drive capacities and
improves error correction capabilities.
Please consult the HGST Advanced Format
Drives page for more information on using
these hard drives.
Compatibility Testing
The HGST Integration Lab tested this family
of Ultrastar™ drives for compatibility with a
wide variety of systems, Host Bus Adapter
cards, enclosures, operating systems, etc.
Testing was performed to demonstrate
compatibility with the following hardware
and software. Other combinations of
hardware and software are expected to
function with this product family, but have
not been evaluated. This compatibility
testing confirms simply that the hard drive
was recognized, partitioned and then data
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was written to and read from it. Drive
capacity and interface speed are not always
verified during compatibility testing.
Many factors must be considered in order to
take advantage of high-capacity drives
(>2.2TB). Some configurations offer a
higher likelihood of success. If you want to
use a high-capacity drive, please refer to our
High Capacity Technolo g y Brief and visit
our Above 2TB web page at
http://www.hgst.com/internal-drives/above2tb
HGST recommends you back up all data
before installing your new hard drive.
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Ultrastar 7K4000 Compatibilit y Gu ide HGST, a Western Digital company
Systems and Motherboards
These Ultrastar products were found to work
with the following systems. (Please note:
Use of an EFI BIOS is required in order to
use a 4TB & 3TB hard drive as a boot drive)
These Ultrastar products were found to be
compatible with the following HBAs and
host controller chipsets, some of which may
not be included in the above system list.
If a chipset vendor’s specific SATA driver
does not support capacities greater than
2.2TB, you must use the latest Microsoft
drivers to gain access to 4TB & 3TB
capacities.
Note (1): Items marked with * indicate that
a 4TB & 3TB drive may be used with limited
capacity.
Note (2): Items marked with ** do not
support capacities greater than 2.2TB.
These Ultrastar products were found to be
compatible with the following operating
systems.
MS Windows Server 2003
MS Windows Server 2003 x86 R2
MS Windows Server 2008 x86 SP2
MS Windows Server 2008 R2 64bit
MS Windows Server 2008 x64 SP2
MS Windows 7
MS Windows XP
Red Hat Enterprise Linux Server 5.5 x86_64
SUSE Linux Enterprise 11
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Page 4
Ultrastar 7K4000 Compatibilit y Gu ide HGST, a Western Digital company
Capacit y n o t ice: One GB is equal to one billion bytes and one TB
equals 1,000 GB (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.
Ultrastar is a trademark of HGST, a Western Digital company.
HGST trademarks are authorized for use in countries and
jurisdictions in which HGST has the right to use, market and
advertis e t he brands. H GST shall not be liable to third parties for
unauthorized use of HGST trademarks.
Western Digital, WD, and the WD logo are registered trademarks
of Western Digital Technologies, Inc. Microsoft, Windows and
Windows Vista are trademarks of Microsoft Corporation in the
United States and/or other countries. All other trademarks are
properti es of their respective owners.
References in this publication to HGST products, programs, or
services do not imply that HGST intends to make these available in
all countries in which it operates. Some countries have laws that
may affect encryption-enabled devices. HGST assumes no
responsibility for compliance with laws that apply to our products
after they are sold or out s ide of our control. Accordin gly, we
suggest that you review al l laws of the countries where you
conduct business.
Product specifications provided are sample specifications and do
not constitute a warranty. Information is true as of the date of
publication and is subject to change. Actual specifications for
unique part numbers may vary. Please visit the Support section of
our website,
product specifications. Photographs may show design models.
3 April 2012
www.hgst.com/support, for additional information on
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