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Best-Fit Applications
Ultra high endurance NAS
All-flash array and desktop NAS
Creative pro, SMB, and SME
Media server
SSD cache in enabled NAS
DATA SHEET
Tough. Efficient. Endurance Ready.
IronWolf 125 SSD
NAS-optimized Seagate® IronWolf® 125 SSDs deliver powerhouse
performance with 24×7, always-on capability and lead the pack in
scalability—meeting your needs and budget.
Key Advantages
High Endurance: Powerhouse SSD endurance and performance designed for heavy
workloads and multi-user NAS environments
IronWolf Health Management: Embedded software monitors your drive health in
compatible NAS, notifying you to intervene before a catastrophic event occurs
Data Recovery: Rest easy with three years of Seagate Rescue Data Recovery
Services, offering an industry-leading 90% success rate against unexpected data loss
from power outages, natural disasters, user error, viruses, and more
Wide Range of Capacity Options: Choose from an extensive portfolio of capacities,
including 250GB, 500GB, 1TB, 2TB, and 4TB
Warranty: Enjoy long-term peace of mind with the included five-year limited warranty
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1 Fresh out of box (FOB) performance obtained on newly formatted drive. Performance may vary based on SSD’s firmware version, system hardware, and configuration. Performance based on
CrystalDiskM ark v.6.0.0 ×64 on Windows 10 host.
Specif icat ions
Capac ity 4TB 2TB 1TB 500GB 250GB
Standard Model ZA4000N M10002 ZA2000N M10002 ZA1000NM 10002 ZA500N M10002 ZA250N M10002
Feat ures
Interfac e SATA 6Gb/s SATA 6Gb/s SATA 6Gb/ s SATA 6Gb/s SAT A 6Gb/ s
NAN D Flas h Type 3D TLC 3D TLC 3D T LC 3D TLC 3D TLC
Form F actor 2.5 in × 7m m 2.5 in × 7m m 2.5 in × 7mm 2.5 in × 7m m 2.5 in × 7mm
Perform ance
Sequential Read (Max ,
MB/ s), 128KB QD32
1
560 560 560 560 560
Sequential Writ e (M ax,
MB/ s), 128KB QD32
1
540 540 540 540 540
Random R ead (M ax,
IOPS), 4KB QD32
1
95,000 95,000 95,000 95,000 95,000
Random W rite (Max ,
IOPS), 4KB QD32
1
90,000 90,000 90,000 90,000 90,000
Endurance/ Reliability
Tot al By tes Written (TB) 5600 2800 1400 700 300
Nonrec overable Read
Errors per Bit s Read
1 per 10E17 1 per 10E17 1 per 10E17 1 per 10E17 1 per 10E17
Mean Tim e Bet ween
Failures (M TBF , hours)
1,800, 000 1,800, 000 1,800,000 1,800,000 1,800,000
Warrant y, Lim ited (years ) 5 5 5 5 5
Power Managem ent
Power Supply 5V 5V 5V 5V 5V
+5 Active Max Av erage
Power (W)
2.8 2.6 2.4 2.3 2. 3
Average Idle Power (mW ) 140 140 130 115 110
Dev Sleep (m W) 5 5 5 5 5
Environm ental
Tem perature, Operat ing
Internal (°C)
0 to 70 0 to 70 0 t o 70 0 to 70 0 to 70
Tem perature,
Nonoperat ing (°C)
–40 t o 85 –40 t o 85 –40 to 85 –40 t o 85 –40 to 85
Shock , Nonoperat ing:
0.5m s (Gs)
1500 1500 1500 1500 1500
Phys ical
Height (m m/ in, max ) 7.10m m/ 0.279in 7.10mm/0.279in 7.10m m/ 0.279in 7.10m m/ 0.279in 7.10mm/0.279in
Widt h (m m/ in, max ) 70.10mm /2.759in 70.10mm/2.759in 70.10m m/ 2.759in 70.10mm/2.759in 70.10mm /2. 759in
Dept h (m m/ in, max) 100. 35mm /3. 950in 100.35m m/ 3.950in 100.35m m/ 3.950in 100.35mm /3. 950in 100.35m m/ 3.950in
Weight (g/ lb) 50g/0.110lb 50g/0. 110lb 50g/0. 110lb 50g/0.110lb 50g/0. 110lb
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Ordering I nform ation
Specif icat ions
Ret ail Pac kaging Box Dim ensions Mas ter Cart on D imens ions Pallet Dimensions
Dept h/Lengt h (in/ mm ) 0.944in/ 24mm 6.023in/153mm 48.03in/ 1220mm
Widt h (in/ mm ) 4.291in/ 109mm 11.496in/292mm 40.15in/ 1020mm
Height (in/ mm ) 6.102in/ 155mm 5.511in/140mm 55.90in/1420m m
Weight (lb/ kg) 0.02lb/ 0.1k g 2.64lb/1.2kg 687.84lb/312k g
Quantit ies
Boxes per Mas ter Cart on 10
Mas ter Cart ons per Pallet 216
Pallet Layers 9
System Requ irements
SATA 6Gb/s o r SATA 3Gb/s port
Windows® 10, Windows 8.1
Linu x
What's Included
Sea gate® IronWolf® 125 SSD
Region Model N umber Capacity
Limit ed W arranty
(years )
UPC C ode EAN Code Mult i-Pack U PC
WW ZA4000NM 1A002 4TB 5 763649146880 8719706027151 10763649146887
WW ZA2000NM 1A002 2TB 5 763649146873 8719706027144 10763649146870
WW ZA1000NM 1A002 1TB 5 763649146866 8719706027137 10763649146863
WW ZA500N M1A002 500GB 5 763649146859 8719706027120 10763649146856
WW ZA250N M1A002 250GB 5 763649146842 8719706027113 10763649146849
seagate.com
© 2020 Seagate Technology LLC. All rights reserved. Seagate, Seagate Technology, and the Spiral logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries.
IronWolf and the IronWolf logo are either trademarks or registered trademarks of Seagate Technology LLC or one of its affiliated companies in the United States and/or other countries. All other trademarks or
registered trademarks are the property of their respective owners. When referring to drive capacity, one gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one trillion bytes. Your
computer’s operating system may use a different standard of measurement and report a lower capacity. In addition, some of the listed capacity is used for formatting and other functions, and thus will not be
available for data storage. Actual data rates may vary depending on operating environment and other factors, such as chosen interface and disk capacity. Seagate reserves the right to change, without notice,
product offerings or specifications. DS2052.1-2007US July 2020
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