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Silver 3.5-inch hard drive with smooth metal casing and visible label

Toshiba

Toshiba MG08ACA14TE 14TB 3.5" 7200 RPM SATA internal hard drive

SKU CH-3E8R-NKJ5E MPN MG08ACA14TE

14 TB enterprise hard drive with helium-sealed CMR, 7200 RPM, 512 MB cache and SATA 6.0 Gb/s

  • InterfaceSATA 6.0Gb/s
  • Capacity14TB
  • NAND Flash Memory TypeHard Drive
  • Recording TechnologyCMR
  • RPM7200 RPM
  • Cache512MB

Options 14TB 512MB Cache

Struck-through versions exist but are not stocked here.

  • 14TB capacity for massive enterprise storage
  • 7200 RPM and 512MB cache deliver high throughput
  • CMR technology ensures broad system compatibility
  • Helium-sealed 9-disk design enables superior storage density
  • 550 TB yearly workload rating supports continuous operation

Enterprise Storage Capacity

The Toshiba MG08ACA14TE is a 14TB 3.5-inch internal hard drive built for enterprise storage systems. It uses conventional magnetic recording and a helium-sealed nine-disk design to deliver high capacity per spindle. The drive targets cloud-scale infrastructure, software-defined data centres and tiered storage deployments where density matters.

Thermals and Power Profile

Helium sealing reduces internal turbulence so the 7200 RPM motor runs cooler than air-filled equivalents. Rotational vibration sensors keep the spindle stable in multi-drive chassis, limiting excess vibration that can raise temperatures. The 512MB cache buffers bursts to smooth power draw during normal mixed workloads.

Sustained Load Behaviour

A 550TB per year workload rating means the drive is rated for continuous heavy writing without throttling. Persistent write cache technology protects in-flight data if power fails during sustained streams. The 512e advanced format keeps compatibility broad while the CMR media avoids the write penalties of shingled recording under long sequential loads.

Highlights

  • 14TB capacity for massive enterprise storage
  • 7200 RPM and 512MB cache deliver high throughput
  • CMR technology ensures broad system compatibility
  • Helium-sealed 9-disk design enables superior storage density
  • 550 TB yearly workload rating supports continuous operation

Specifications

BrandTOSHIBA
SeriesMG08 Series
ModelMG08ACA14TE
InterfaceSATA 6.0Gb/s
Capacity14TB
NAND Flash Memory TypeHard Drive
Recording TechnologyCMR
RPM7200 RPM
Cache512MB
FeaturesIndustry Standard 3.5-inch 26.1 mm Height Form Factor
Conventional Magnetic Recording (CMR) up to 16 / 14TB for broad compatibility
Industry-leading 9-disk helium-sealed design for superior storage density
7,200 rpm Performance
550 Total TB Transferred per Year Workload Rating
Rotational Vibration (RV) Sensors
512e or 4Kn Advanced Format Sector Technology; (512e Model) Includes Toshiba Persistent Write Cache Technology for Data-Loss Protection in Sudden Power-Loss Events
UsageFor Enterprise Storage
Form Factor3.5"
Height (maximum)26.10mm
Width (maximum)101.85mm
Length (maximum)147.00mm
Shipping weight0.72 kg
Package size175 × 140 × 30 mm

Other versions of this model

3 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How do I install the MG08ACA14TE in a standard 3.5-inch bay and what step is often missed?

Mount the 26.1 mm drive using four side or bottom screws, connect the SATA 6.0Gb/s data cable and a SATA power cable, then ensure the system BIOS or RAID controller recognises the 14 TB capacity before formatting.

What maintenance or replacement will the helium-sealed MG08ACA14TE need later?

No internal maintenance is possible; the helium-sealed 9-disk mechanism is not user-serviceable, so replacement is required once the 550 TB per year workload rating is exceeded or SMART attributes indicate wear.

What limit appears first during sustained writes on the MG08ACA14TE?

The 550 TB per year workload rating is the first sustained-use limit; exceeding it can reduce reliability before the 512 MB cache or 7200 RPM mechanical limits are reached.

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