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Silver 3.5 inch enterprise hard drive with helium-sealed label

Toshiba

Toshiba HDEPW40SXB51 14TB 7200 RPM 256MB SATA 3.5" internal hard drive

SKU CH-36M9-DE7AC MPN HDEPW40SXB51

14 TB enterprise hard drive with 7200 RPM, 256 MB cache and helium-sealed design for servers and storage arrays

  • Total capacity14 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Cache memory256 MB
  • Recording methodCMR
  • 14 TB capacity for massive storage needs
  • 7200 RPM spindle speed for high-throughput performance
  • 256 MB cache to accelerate data access
  • Helium-sealed 9-disk design for reliable operation
  • Sanitize Instant Erase for secure data removal

14 TB Enterprise SATA Hard Drive

The Toshiba MG07ACA14TEY is a 14 TB 3.5-inch internal hard drive built for enterprise workloads. It spins at 7200 RPM on a SATA 6.0 Gb/s interface with a 256 MB cache. The helium-sealed nine-disk design uses conventional magnetic recording for consistent throughput.

Suited for High-Capacity Storage Arrays

This drive fits servers, NAS enclosures and workstations that need 14 TB of CMR storage with a 248 MiB/s sustained transfer rate. Sanitize Instant Erase supports secure data retirement. Buyers who need solid-state latency or a PCIe interface should consider a different storage class.

SATA 6.0 Gb/s Interface Decides Compatibility

The drive connects through a standard SATA 6.0 Gb/s port, so the host system must provide that interface and power for a 3.5-inch form factor. Verify the controller and backplane support 14 TB capacities before installation.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $279.99
Pricier than about 81% of the 4,938 comparable items (median $107.99).
Total capacity 14 TB
Higher than about 91% of the 2,372 comparable items (median 2 TB).
Price per TB $20.00 per TB
Cheaper than about 92% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameTOSHIBA
Product lineMG07
Model nameMG07ACA14TEY
Part numberHDEPW40SXB51
Total capacity14 TB
Performance
Rotational speed7,200 RPM
Storage
Cache memory256 MB
Recording methodCMR
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

What does the 248 MiB/s sustained transfer rate mean for daily workloads?

The 248 MiB/s sustained rate reflects sequential read or write performance across the 14 TB platters, so large file copies, backups and video ingest run near that ceiling while random access stays lower.

How does the SATA 6.0 Gb/s interface affect usable bandwidth?

The SATA 6.0 Gb/s link sets the maximum burst ceiling, but actual throughput is limited by the drive’s 248 MiB/s sustained media speed and 256 MB cache.

What physical space and mounting does the 3.5" helium-sealed drive require?

It fits a standard 3.5-inch drive bay with four side or bottom mounting holes, needs a SATA data cable and a 12 V / 5 V SATA power connector, and the helium seal means no breather hole to keep clear.

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