Toshiba N300 NAS 18TB 3.5-inch SATA 6Gb/s Internal Hard Drive 7200rpm 1024MB Buffer CMR Helium-Sealed 180TB/year Bulk
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Toshiba N300 NAS 18TB 3.5-inch SATA 6Gb/s Internal Hard Drive 7200rpm 1024MB Buffer CMR Helium-Sealed 180TB/year Bulk
€892.12 inc. VAT
MN11ACA18TS
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Toshiba N300 NAS 18TB — 3.5-inch SATA CMR Drive for 24/7 Multi-Bay Storage
18TB · 3.5-inch SATA 6Gb/s7200 rpm · 1024 MB bufferCMR, helium-sealed180 TB/year workload
The Toshiba N300 NAS 18TB (MN11ACA18TS) is a 3.5-inch SATA 6Gb/s hard drive spinning at 7,200 rpm with a 1,024 MB buffer and a 180 TB per year workload rating, built for 24/7 operation in multi-bay NAS enclosures and small servers. It uses conventional magnetic recording (CMR) and a helium-sealed design, which is what allows Toshiba to reach this areal density while keeping operating power at 7.41 W typical. Rotational vibration and shock sensors let it hold performance in a chassis full of other spinning drives. This part number is the bulk version, supplied as a bare drive without retail packaging. Typically in stock with fast delivery across Cyprus.
Compatibility — check before buying:
This is a bulk / bare-drive part number: it ships in an anti-static bag with no retail box, no mounting screws, no SATA cable and no printed manual. Check your NAS vendor’s compatibility list before ordering — most support the N300 family, but drive validation policy varies by model and firmware. Do not confuse this drive with the Toshiba MN Series: despite the MN prefix on this code, MN11ACA18TS is an N300, while the MN Series 18TB drive is MN09ACA18T and carries a different specification profile (a 300 TB per year workload among other differences). If you need a heavier write workload than 180 TB per year, look at the N300 Pro or an enterprise MG series drive instead.
Best For
✓ Multi-bay NAS enclosures running 24/7
✓ Small business file servers and backup targets
✓ RAID arrays where CMR is required for safe rebuilds
✓ ZFS and Btrfs pools
✓ Media libraries and surveillance archives with moderate write loads
✓ Bulk fleet purchases where retail packaging is unnecessary
Key Features
CMR recording, safe for RAID
The N300 uses conventional magnetic recording rather than SMR, which is what makes it safe for RAID rebuilds and for ZFS or Btrfs pools where shingled drives can stall badly under sustained random writes.
Helium-sealed with a 1,024 MB buffer
Toshiba states that the 12 TB to 22 TB N300 drives use a helium-sealed design. The 18 TB model pairs that with a 1,024 MB buffer and a maximum sustained transfer rate of 294 MB/s typical.
Built for 24/7 multi-bay operation
Rated for continuous operation with a 180 TB per year workload, 1,200,000 hours MTTF and an unrecoverable bit error rate of 1 in 10^15. Rotational vibration and shock sensors keep performance stable in a chassis full of drives.
Efficient for its capacity
7.41 W typical while operating and 4.16 W typical at active idle, with idle-mode acoustics of 20 dB typical — a meaningful difference across a populated eight-bay enclosure.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight
Two things about this drive get misreported constantly, and both are worth getting right before you order. The first is the series. The MN prefix on MN11ACA18TS makes it look like a Toshiba MN Series drive, and plenty of listings say exactly that — but MN11ACA* appears only in Toshiba’s N300 datasheet, as the bulk code for the N300 family, and no MN11 model exists in the MN Series line-up at all. The second is the buffer: some European listings print 512 MB for this drive, while Toshiba’s own 18 TB column says 1,024 MB. Where the manufacturer and a reseller disagree, we publish the manufacturer. Within the N300 range the 18 TB sits between the 16 TB and the 20 and 22 TB models, all sharing the 180 TB per year workload and 1.2 million hour MTTF. Above it, the N300 Pro and the enterprise MG series raise workload ratings for heavier duty cycles; below it, the desktop X300 is a performance drive and not a NAS drive at all. For a home or small-business NAS running around the clock with moderate write volumes, the N300 is the right tier and 18 TB is currently its sweet spot on cost per terabyte.
Buyer’s Guide
Buy it if
You are filling a multi-bay NAS or small server that runs 24/7, you need CMR for safe RAID rebuilds or a ZFS pool, and 180 TB per year of write workload with 1.2 million hours MTTF matches your duty cycle. Bulk packaging suits you because you already have screws and cables.
Skip it if
Your write workload exceeds 180 TB per year — the N300 Pro or an enterprise MG series drive is the correct tier. Skip it too if you want a retail box with mounting hardware included, or if you need a published 512e/4Kn sector designation or load/unload cycle figure for a qualification document.
Also consider
Toshiba N300 in 14, 16, 20 or 22 TB if this capacity is not the right size; Toshiba N300 Pro for higher sustained workloads; the Toshiba MG series for enterprise duty cycles; or Toshiba S300 if the array is primarily a surveillance recorder.
Form Factor
- 3.5"
Interface
- SATA
Technical specifications
Μέγεθος
18TB
Χαρακτηριστικά
Product Code
04:592705
EAN Code
4260557513774
Manufacturer
Toshiba