Seagate Exos 7E10 ST2000NM001B 2TB 3.5 inch SAS 12Gb/s 512n Enterprise Hard Drive 7200RPM 256MB Cache
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Seagate Exos 7E10 ST2000NM001B 2TB 3.5 inch SAS 12Gb/s 512n Enterprise Hard Drive 7200RPM 256MB Cache
€384.16 inc. VAT
ST2000NM001B
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Seagate Exos 7E10 2TB — ST2000NM001B Enterprise Hard Drive
2TB 3.5" SAS 12Gb/s dual-portStandard, No Encryption550 TB/Year, 2.5M-Hour MTBFPerpendicular, 7200 RPM, 550 TB/Year
The Seagate ST2000NM001B is a 2 TB 3.5-inch Exos 7E10 enterprise nearline hard drive with a SAS 12Gb/s, dual port — 12.0, 6.0 and 3.0 Gb/s supported interface and the Standard, non-encrypting 512n configuration, built for data-centre and server arrays that run continuously. Seagate lists it under part number ST2000NM001B; the EAN on this listing is 8719706021173. It is a conventional-recording (CMR) helium-sealed drive at 7200 RPM with 256 MB of cache, rated for a 550 TB annual workload against 8760 power-on hours, with a 2,500,000-hour MTBF and an unrecoverable read error rate of one sector per 10E15 bits read. This part number is the 512n native, SAS, non-encrypting model — a different mechanical build from the 512e/4Kn FastFormat drives in the same family. Typically in stock with fast delivery across Cyprus.
Compatibility — check before buying:
Read the suffix, not the capacity. Seagate’s Exos part numbers encode interface and security in the three digits before the trailing letter, and the mapping changes between generations — 007 means SATA in Exos X20 but SAS in Exos X24, for example. This part is SAS 12Gb/s, dual port, it is 512-byte native, and it is the Standard, non-encrypting model. Two things about this part number deserve attention. First, it is 512n — 512-byte native, not the 512e/4Kn FastFormat that most Exos drives ship as. Seagate documents the 512n models in separate product manuals from the FastFormat ones, and they are a genuinely different mechanical build: at 4 TB, for instance, the 512n drive uses 5 heads on 3 discs where the FastFormat one uses 4 on 2, and the two differ in weight and transfer rate. Never accept a spec sheet for one as a spec sheet for the other. Second, it is SAS, which needs a SAS controller or backplane and will not run on a SATA port. On the cache figure: the datasheet prints 256 MB, which is the physical buffer; the SAS product manual notes that roughly 60 MB of it is usable as cache. Both numbers are Seagate’s and describe different things. Note also that Seagate publishes no helium or air statement for the 7E10 — unlike the Exos X families — so we make no claim about the drive design. Sector format is 512e as shipped, field-convertible to 4Kn through Seagate’s FastFormat — a destructive operation that erases the drive, so plan it before deployment rather than after. Exos is a data-centre line: it carries no Rescue Data Recovery Services (that is an IronWolf Pro and SkyHawk feature) and is not marketed for desktop use. Seagate publishes no EAN or UPC for this part in its datasheets or product manuals; the barcode shown here comes from the retail carton.
Best For
✓ Servers and storage arrays running 24 hours a day
✓ RAID and erasure-coded pools where a 550 TB annual workload is realistic
✓ Backup and archive targets that need capacity with enterprise endurance
✓ SAS backplanes and legacy arrays that require 512-byte native sectors
✓ Environments where PowerChoice idle management reduces running cost
✓ Racks with vibration from many spindles — Exos is rated for it
Key Features
SAS 12Gb/s dual port, 512-byte native
This is the 512n SAS member of the Exos 7E10 2TB family: a dual-port 12Gb/s interface at up to 1200 MB/s per port, with 512-byte native sectors rather than the 512e/4Kn FastFormat most Exos drives use. That matters for older controllers and applications that expect true 512-byte sectors. Logical block size is user-selectable at 512, 520, 524 or 528 bytes, the latter options carrying T10 protection information.
550 TB a year, 2 million hours MTBF
The workload rating is a maximum of 550 TB per year against 8760 power-on hours, with an annualised failure rate of 0.44% over a five-year service life and an unrecoverable read error rate of one sector per 10E15 bits read — ten times better than desktop-class drives, which matters directly to rebuild reliability in a large array. Load/unload cycles are rated at 600,000. Seagate warns explicitly that exceeding the annualised workload rate degrades MTBF.
Perpendicular recording with 256 MB of cache
This is a perpendicular, non-shingled drive spinning at 7200 RPM with 256 MB of cache and an average latency of 4.16 ms. Sustained transfer is 100 to 225 MiB/s across the platter, with a 236 MB/s maximum per the datasheet. No Exos 7E10 model is designated SMR in any Seagate document, and there is no shingled capacity in the family. PowerChoice idle management is supported, letting you trade a defined amount of performance against watts across a whole rack.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight
Exos is bought for the workload rating and the error rate, not for the capacity headline. The gap that actually matters against a NAS or desktop drive is the unrecoverable read error rate — one sector per 10E15 bits here against 10E14 on consumer drives — because that is the number that decides whether a large array finishes a rebuild cleanly. The 550 TB annual workload and the 2.5-million-hour MTBF follow the same logic. Exos 7E10 sits below the Exos X families on endurance — 2,000,000 hours MTBF and a 0.44% failure rate against 2,500,000 and 0.35% — while keeping the same 550 TB annual workload and the same 10E15 error rate. At 2 TB in 512n form this is very much a drive for an existing array with specific sector-format requirements rather than a new build. Compare the range in our enterprise and server hard drives, and if the target is a small business NAS rather than a rack, our NAS hard drives cost less and include Rescue Data Recovery, which Exos does not.
Buyer’s Guide
Buy it if
You are filling a server or a storage array that runs continuously and needs enterprise endurance: 550 TB per year, 2,500,000-hour MTBF, one bad sector per 10E15 bits, CMR and helium at 7200 RPM. This is the 512n SAS part, so it suits a controller or application that requires true 512-byte native sectors.
Skip it if
The target is a desktop, a small NAS or a backup drive that sits idle most of the week — you would be paying for endurance you cannot use, and there is no Rescue Data Recovery on Exos. Skip it too if your controller does not match: this is a SAS drive and cannot run on a SATA port, and it is 512n rather than 512e/4Kn FastFormat.
Also consider
The 512e/4Kn FastFormat members of the same family carry different part numbers and a different mechanical build. Exos 7E10 also offers SED, SED-FIPS 140-3 and Instant Secure Erase configurations at this capacity. For higher endurance, the Exos X families are rated at 2,500,000 hours; for a NAS rather than a rack, IronWolf Pro costs less and includes Rescue Data Recovery.
Form Factor
- 3.5",
- Internal
Interface
- SAS
Technical specifications
Μέγεθος
2TB
Χαρακτηριστικά
Product Code
03:184705
EAN Code
8719706021173
Manufacturer
Seagate