Designed for use in RAID or NAS arrays with 1 to 8 drive bays, the 6TB N300 7200 rpm SATA III 3.5" Internal NAS HDD from Toshiba meets the reliability, performance, endurance, and scalability requirements of 24/7 NAS applications for personal, home office, and small business use. This 6TB drive operates using a SATA III 6 Gb/s interface, a 512MB cache, and a rotational speed of 7200 rpm, all of which help to ensure uninterrupted data transfers with a rate of up to 281 MB/s. This drive also features high levels of reliability, with 600,000 load/unload cycles, 1 in 10¹⁵ non-recoverable read errors per bits read, a workload rate of up to 180TB per year, and a 1 million hour MTTF. Shock protection is provided by a rotational vibration sensor, while ramp loading helps reduce wear and Error Recovery Control limits recovery time to help optimize error correction.

6TB Storage Capacity    3.5" Form Factor    SATA III 6 Gb/s Interface    512MB Cache    7200 rpm Rotational Speed    Up to 281 MB/s Data Transfer Speeds    24/7 Operation    Supports Arrays with 1 to 8 Drive Bays    1 Million Hour MTTF    Workload Rate up to 180TB per Year

• 1 to 8-bay NAS arrays
• Desktop RAID arrays and servers
• Multimedia server storage

• Supports multi-RAID systems with up to 8 bays
• Designed for 24/7 operations with a workload rate of up to 180TB per year

• Integrated RV sensors help ensure high reliability against shock and vibrations by detecting and minimizing rotational vibration effects in multi-bay NAS systems

• On-board cache algorithm and buffer management optimize cache allocation between read and write cycles for improved real-time drive performance

• A 512MB data buffer ensures high performance and fast read speed during data intensive operation
• Fast data transfer speeds of up to 281 MB/s provides quick access to essential content

• Ramp loading technology reduces wear to the recording head and media for improved drive reliability
• Error Recovery Control technology limits recovery time to help optimize error correction in RAID environments

• The drive automatically adjusts the seek speed when it reaches a critical temperature to help reduce heat buildup during high temperature operations

• High reliability with an MTTF of up to 1 million hours
• Limited 3-year warranty

Related Questions and Answers

Q: 1. What NAS systems will work with these 22TB drives?

A: This Seagate 22TB IronWolf Pro 7200 rpm SATA III 3.5" Internal NAS HDD will work with any NAS that accepts 3.5" hard drives with a capacity of 22TB or more. That would encompass scores of options, far too many to list, so it is usually better to pick out a NAS first and the hard drives second.

Q: 2. Why does B&H list this drive as a ST4000NEA025 when (AFAIK) no such part exists, and the photos used indicate the actual part number, ST4000NE025?

A: With lots of dealings with Seagate drives, the “A” is for the US market. Replace “A” for Z” for Canada and so on. This is proper 👍 If you try to warranty swap an international drive in the US MARKET, you’ll be screwed

Q: 3. The Heading is for 48TB, but the Overview says "the 24TB IronWolf Pro 7200". Could you please check?

A: The Seagate IRONWLF PRO 48TB 3.5" 7200RPM SATA HDD, B&H # SEST24000N2K, is a kit that includes two Seagate 24TB IronWolf Pro 7200 rpm SATA III 3.5" Internal NAS HDDs, B&H # SEST24000NT2.

Q: 4. Would these work on a DS1520+ ?

A: Yes. This Seagate 14TB IronWolf Pro 7200 rpm SATA III 3.5" Internal NAS HDD (CMR, 2-Pack), would be compatible with the DS1520+.

Q: 5. What does CMR information means?

A: "CMR" on this Seagate 18TB IronWolf Pro 7200 rpm SATA III Internal NAS HDD (CMR) would be Conventional Magnetic Recording.

Q: 6. I’m a professional photographer and all of my images are stored via these large drives. My operating system is on a ssd, and when I first bring images in they are processed on my ssd drive. But one I store them, they are still accessed by my software (Lightroom and other Adobe products), and often I’m still retrieving, searching for and editing the images long after they were moved off my ssd drive. This drive will be wired directly into my mother board and PC that has 4 storage drives. What are the pros of the following two drives and cons for my situation. Which would you recommend? Thank you.

A: I think your question boils down to a comparison of an SSD vs a HDD. For backup there are many reasons to go with a hard drive. Price, Capacity. For the OS and Applications - we would suggest SSDs.

Q: 7. How many hours are on these used drives?

A: This listing is for a new Seagate 22TB IronWolf Pro 7200 rpm SATA III 3.5" Internal NAS HDD. All of the items on our site are new unless marked otherwise.

Q: 8. I have a 920DS+ and need to purchase larger HDDs. What is the benefit of the Seagate 10TB IronWolf Pro 7200 rpm vs the non pro?

A: The Ironwolf Pro line features several upgrades such as a 2 million hour TBF rating (as opposed to 1 million hours) and a data transfer rate of up to 263 MB/s (as opposed to up to 210 MB/s).

Q: 9. Is this a 512e drive or 4Kn?

A: The Seagate 12TB IronWolf Pro 7200 rpm SATA III 3.5" Internal NAS HDD is a 512e drive.

Q: 10. Is this model SMR or CMR?

A: Seagate only produces NAS drives that are CMR.