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Seagate IronWolf 110 240GB SSD Review

Rating: 8.0.

Seagate’s new IronWolf 110 SSD is the world’s first SSD designed from the ground up for use in NAS devices, aimed at all-flash arrays or for use as tiered cache in NAS devices that support caching. It uses a combination of an in-house Seagate controller and Toshiba 3D TLC NAND.


At the time of writing this review there are five models in the IronWolf 110 line-up; the entry level 240GB (the drive we are looking at), 480GB, 960GB, 1.92TB and finally the flagship 3.84TB drive. All five drives have the same 560GB Sequential read rating and all bar the 240GB drive have an official Sequential write speed of 535MB/s. The 240GB drive has an official rating of 345MB/s.

The 240GB drive’s 4K random read/write performance is quoted by Seagate as up to 55,000 and 30,000 IOPS respectively (tested at a queue depth of 32). The endurance rating for the 240GB drive is 435TB TBW and Seagate back the drive with a five-year warranty. You also get a two-year Seagate Rescue Recovery Services plan. The plan provides access to Seagate’s technical services who will assist with data recovery in the event of a drive failure.

Power consumption figures for the 240GB drive are 2.3W maximum average active and 1.1W average idle.

Physical Specifications:

  • Usable Capacities: 240GB
  • NAND Components: Toshiba BiCS3 3D TLC
  • NAND Controller: Seagate
  • Cache: 256MB DDR3-1866.
  • Interface: Serial ATA (SATA) 6Gb/s (SATA III)
  • Form Factor: 2.5in.
  • Dimensions: 100.25 x 70.10 x 7mm
  • Drive Weight: 70.6g

Firmware Version: SF44010J

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