IronWolf 125 SSD 4TB

Name: IronWolf 125 SSD 4TB
Brand: Seagate
SKU: 12115
Availability: InStock
Rating: 4 (1 reviews)

Model: ZA4000NM1A002
Capacity: 4TB
Interface: SATA III (6 Gb/s)
Sequential Read/Write: Up to 560 MB/s / 540 MB/s
Compatibility: Windows 7+, macOS, Linux, NAS systems
Dimensions: 100.35 x 70.10 x 7.10 mm
Weight: 50 g

Description
Reviews (1)

Buy IronWolf 125 SSD 4TB | Seagate | STORAGE, Seagate

High-Performance NAS-Optimized SSD

The Seagate IronWolf 125 SSD 4TB (ZA4000NM1A002) is a 2.5" SATA III SSD designed for NAS, delivering sequential read/write speeds up to 560 MB/s and 540 MB/s, and random read/write IOPS of 95,000/90,000. Powered by a Phison PS3112-S12 controller and Toshiba 64-layer 3D TLC NAND, it ensures reliable performance for 24/7 multi-user workloads in home and small business NAS environments.

Robust Endurance and Scalability

With a 0.7 DWPD endurance rating and 5600TB Total Bytes Written (TBW), the IronWolf 125 is built for heavy NAS workloads. It supports capacities from 250GB to 4TB, offering scalability for all-flash arrays or tiered caching in NAS systems like Synology FS3017 or QNAP TVS-951X. AgileArray firmware optimizes performance in multi-drive RAID setups.

Advanced Data Protection

Equipped with IronWolf Health Management (IHM), the SSD monitors drive health in compatible NAS systems, providing alerts to prevent data loss. It includes a 3-year Seagate Rescue Data Recovery Services plan with a 90% success rate. A 5-year limited warranty and 1.8 million hours MTBF ensure long-term reliability for continuous operation.

Seagate IronWolf 125 SSD 4TB: All Features

Capacity	4TB
Interface	SATA III (6 Gb/s)
Form Factor	2.5" (7mm)
Performance	Sequential Read: 560 MB/s, Write: 540 MB/s; Random Read: 95,000 IOPS, Write: 90,000 IOPS
Controller	Phison PS3112-S12-27
NAND Type	Toshiba 64-layer 3D TLC
Endurance	0.7 DWPD, 5600TB TBW
Data Protection	IronWolf Health Management, 3-year Rescue Data Recovery Services
Compatibility	Windows 7+, macOS, Linux, NAS systems (Synology, QNAP, ASUSTOR)

Seagate IronWolf 125 SSD 4TB: All Specifications

Model	ZA4000NM1A002
Capacity	4TB (also available in 250GB, 500GB, 1TB, 2TB)
Interface	SATA III (6 Gb/s)
Form Factor	2.5" (7mm height)
Controller	Phison PS3112-S12-27
NAND Type	Toshiba 64-layer 3D TLC
Sequential Read Speed	Up to 560 MB/s
Sequential Write Speed	Up to 540 MB/s
Random Read (4KB)	Up to 95,000 IOPS
Random Write (4KB)	Up to 90,000 IOPS
Endurance	5600TB Total Bytes Written (TBW), 0.7 DWPD
MTBF	1.8 million hours
Non-Recoverable Read Errors	1 per 10^17 bits read
Power Consumption	Active: 2.8W, Idle: 140 mW, Standby: 5 mW
Operating Voltage	5V DC
Operating Temperature	0°C to 70°C
Storage Temperature	-40°C to 85°C
Shock Resistance	1500G / 0.5 ms
Dimensions (LxWxH)	100.35 x 70.10 x 7.10 mm
Weight	50 g
System Compatibility	Windows 7+, macOS, Linux, NAS systems (Synology, QNAP, ASUSTOR)
Certifications	FCC, CE, BSMI, VCCI, RCM
Warranty	5-year limited
Data Recovery	3-year Seagate Rescue Data Recovery Services
Package Contents	SSD, quick start guide