
Ultrastar® 7K4000
DATA SHEET
3.5- INCH E NTERPR ISE 720 0 RPM HARD D ISK DR IVES
Highlights
• 2.0 million hours MTBF
• Up to 4 terabytes2 of capacity
• SATA 6Gb/s and SAS 6Gb/s models for coniguration
lexibility
• Advanced Format* SATA with 512-byte
emulation (512e)*
• Dual Stage Actuator (DSA) and Enhanced Rotational
Vibration Safeguard (RVS) for robust performance in
multi-drive environments
1
Delivering Industry-Leading
Quality and Reliability
HGST Ultrastar® 7K4000 is the world’s irst 4TB 7200 RPM
hard drive with a 2.0 million hours MTBF speciication
and backed by a full 5-year warranty. Ultrastar 7K4000
represents the sixth-generation HGST 5-platter design,
which has been ield proven by top server and storage
OEMs and Internet giants. Engineered for the highest
quality, the Ultrastar 7K4000 is put through grueling design
tests during development and must pass stringent ongoing
reliability testing during manufacturing. Ultrastar 7K4000
delivers by reducing downtime, eliminating service calls
and minimizing TCO.
• 24x7 accessibility for enterprise-class, capacity-
optimized applications
• 5-year limited warranty
Applications/Environments
• Cloud storage
• Massive Scale Out (MSO)
• Data warehousing & mining
• Disk-to-disk backup & archiving
• RAID arrays
• Network Attached Storage (NAS)
SATA 6Gb/s and SAS 6Gb/s
Increasing Capacity Density by
One Third
To deal with the explosive petabyte (PB) growth, data centers
require large amounts of eicient storage. Reducing W/GB
without expanding loor space is vital to lowering operating
costs. To meet these demands, Ultrastar 7K4000 delivers 33%
more capacity in the same footprint at 24% lower W/GB than
its predecessor, Ultrastar 7K3000. Now you can get 2.4PB in
the footprint of a standard 19-inch enterprise storage rack by
stacking ten 4U, 60-bay enclosures. Ultrastar 7K4000 dual
port SAS is available in traditional 512, 520 and 528 byte sector
size. Ultrastar 7K4000 SATA is an Advanced Format* drive,
using 4096-byte sector size to provide enormous capacity
earlier than otherwise possible for environments optimized
for this technology. Advanced Format drives are backwards
compatible with legacy 512-byte sector size by oering built-in
512-byte emulation through the SATA interface.4TB, 3TB an d 2TB | 720 0 RPM
Features & Beneits
Feature / Function Beneits
Capacity 4TB, 3TB an d 2TB Highes t enterpr ise cap acity ava ilable in a single platform
Performance • 7200 RPM
• Rotational Vibration Safeguard (RVS)
Reliability • The rmal Fly- height C ontrol (TFC) wit h intern al ther mal sen sor
• Head load/unload
• SMART command transport
Power Improved Watts per gigabyte (W/GB) 24% lower W/GB th an prede cess or for maximum ei ciency
Security Optional Bulk Data Encryption (SATA) an d TCG Ent erp rise_ A (SAS) Encrypt private data, p roviding s ecurit y and easy redeployment
• High performance for business critical applications
• Maintains drive performance in high rotational vibration environments and multidrive systems
• Bet ter soft error rate fo r improved reliabil ity and p erform ance
• Protec ts disk during non -ope ration
• Adaptive error correction
Combining 7200 RPM
Performance and Granular
Power Control
Operating at 7200 RPM, Ultrastar 7K4000 oers better
overall performance than slower RPM capacity-oriented
drives, and does so at impressively low power-consumption
rates. The Ultrastar 7K4000 can help data centers achieve
lower AC power and HVAC requirements. With ive
Advanced Power Management modes, the 7K4000 achieves
a 59% reduction in watts during low RPM idle mode, and
uses less than 2W during standby/sleep modes, freeing up
precious headroom for growing enterprise needs.
Innovating for a More
Sustainable Environment
The Ultrastar 7K4000, with its halogen-free design and
power-eicient operation, minimizes environmental impact
in the areas of product design, manufacturing, operation
and disposal.
HGST Quality and Service
HGST’s Ultrastar 7K4000 extends the company’s longstanding tradition of performance and capacity leadership.
The proven drive design enables high reliability and availability
to customer data. Ultrastar quality, performance and world
class technical support and service provides customers with a
lower total cost of ownership over previous generations.
HGST drives are backed by an array of technical support
and services, which may include customer and integration
assistance. HGST is dedicated to providing a complete
portfolio of HDD/SSD solutions to satisfy today’s
monumental computing needs.
* A legacy 512- byte conigurat ion is also availab le.

Product name
Ultrastar® 7K4000
Speciications
DATA SHEET
3.5- INCH E NTERPR ISE 720 0 RPM HARD D ISK DR IVES
Model / Part No
HUS724040ALE640 / 0F14683
HUS724 040ALE641 / 0F18425
HUS724030ALE640 / 0F14684
HUS724030ALE641 / N/A
HUS724020ALE640 / 0F14685
HUS724 020ALE641 / N/A
HUS724040ALA640 / 0F14688
HUS724030ALA640 / 0F14689
HUS724020ALA640 / 0F14690
HUS724040ALS640 / 0B26885
HUS724 040ALS641 / 0B 26927
HUS724030ALS640 / 0B26886
HUS724030ALS641 / 0B26926
HUS724020ALS640 / 0B26887
HUS724 020ALS 641 / 0B26925
Coniguration
Interface SATA 6 Gb/s SAS 6Gb/s
Capacity (GB)2 at 512 bytes/sector 4TB / 3TB / 2TB ←
Form factor 3.5-inch ←
Sector s ize (bytes)
Max. are al density (Gbit s/sq. in) 446 (512e) , 475 (512n) 475
3
512e , 512n 512 / 520 / 528
Performance
Data buer (MB)
Rotational speed (RPM) 7200 ←
Interface trans fer rate (M B/s, max) 600 ←
Sustai ned tran sfer rate (M B/s, typi cal)5171 (512e), 18 1 (512n) 183
Seek tim e (read, ms, t ypical)
4
6
64 ←
8.0 ←
Reliability
Error rate (non-rec overable, bits rea d) 1 in 10
Load/Unload cycles (at 40° C) 600,000 ←
Availability (hrs/day x days/wk) 24x7 ←
MTBF1 (M hours) 2.0 ←
Annuali zed Failure R ate1 (AFR) 0.4 4% ←
Warranty (y rs) 5 ←
15
←
Acoustics
Idle (Be ls, typ ical) 2.9 ←
Power
Requirement +5 VDC (+/-5%)
Startup current (A, max) 1.2 (+5V ), 2.0 (+12V) ←
Read/write (W) 11.4 10.9
Idle (W, avg) 6.9 7.6
Unload i dle (W) 5.7 6.2
+12VDC (+10 %/-8%)
Physical size
z-height (mm, max) 26.1 ←
Dimensions (width x depth, mm) 101.6 (+/-0. 25) x 147 ←
Weight (g, t ypical) 690 ←
Environmental (operating)
Ambient temperature 5o to 60o C ←
Shock (half-sine wave 2 ms, G) 70 ←
Vibration (G RMS, 5 to 5 00 Hz) 0.67 (XY Z) ←
Environmental (non-operating)
Ambient temperature -40o to 70o C ←
Shock (half-sine wave, 1ms, G) 300 ←
Vibration (G RMS, 5 to 5 00 Hz) 1.04 (XYZ) ←
1
One MB is e qual to one million by tes, one GB is e qual to one billion
bytes and o ne TB equals 1,0 00GB (one trilli on bytes) when referr ing
to hard drive cap acity. Access ible capacit y will vary from the st ated
capaci ty due to formattin g and partition ing of the hard drive, th e
computer’s operating system, and other factors.
2
MTBF and A FR targets are base d on a sample pop ulation and are
estimated by statistical meas urements and acceleration algorithm s
under me dian operatin g conditions. M TBF and AFR rating s do not
predict an i ndividual drive ’s reliability and d o not constitute a wa rranty.
3
Advance d Format drive: 4K (409 6-byte) physic al sec
4
Portio n of buer capaci ty used for drive i rmware
5
MiB/s is 220 by tes, MB/s is 106 byte s
6
Excludes command overhead
7
SATA models: 8K Qu eue Depth = 1, SAS mo dels: 4K Queue D epth = 4
8
Idle spe ciication i s based on use of I dle_A
How to rea d the Ultrastar m odel numbe r
HUS7240 40ALE64 0 = 4TB, SATA 6Gb/s,
64MB buer
H = HGST
U = Ultrasta r
S = Standa rd
72 = 7200 RPM
40 = Full capacity — 4TB
40 = Capacity this model, 40 = 4TB
(3 0 = 3TB, 20 = 2TB)
A = Generation cod e
L = 26.1mm z-height
E6 = Interfac e, SATA 6Gb/s, 512e
(A6 = SATA 512n, S6 = SAS 512n)
4 = 64MB bu er
0 = No encr yption (1 = e ncryp tion)
←
© 2014201 5 HGST, Inc. 3 403 Yerba B uena Ro ad, San Jose, CA 951 35 USA . Produc ed in the
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Product speciication s provide d are sampl e speciicati ons and do not cons titute a warran ty.
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product speciications. Photographs may show design models.
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