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MG04ACA-N Series
4.0TB SATA Interface Hard Disk Drive

3.5-Inch | SATA 6.0Gb/s | 7200RPM | 128MB Cache
MG04ACA-N Series
The MG04ACA-N Series Enterprise Capacity Hard Disk Drive 512 native, 7,200 rpm SATA model MG04ACA-N comes in a robust design providing 4.0TB in a 3.5-inch form factor. The features of MG04ACA-N series include a SATA 6Gbit/s interface, and industry-standard 512 native format sector technology for environments and applications that require 512 native. The 4.0TB MG04ACA-N Series Enterprise capacity Hard Disk Drive has the Sanitize Instant Erase (SIE) security option available. This feature randomizes data instantly in case of unintended disclosure in the event that drives are re-purposed or moved outside of data center environments.

4.0TB Toshiba MG04ACA-N  Specifications:


Form Factor
3.5″ HDD
SATA 6.0Gb/s
Formatted Capacity
Rotational Speed
7,200 RPM
Cache / Data Buffer
Manufacturer Model Number


Height (max)
2.6 cm (1.0 in)
Width (max)
10.2 cm (4.0 in)
Length (max)
14.7 cm (5.8 in)
Weight (typical)
720.0 g (1.59 lbs)
Bytes per Sector


MTBF (Mean Time Between Failures)
1,400,000 hours
Nonrecoverable Read Errors
1 per 1016 bits read


Transfer Rate (Max)
Average Seek Time
Average Latency


Read Power
11.3 Watts
Write Power
11.3 Watts
Idle Mode, Active (Max)
7.5 Watts
Idle Mode, Low Power (Max)
6.0 Watts

Environmental (Operating)

Ambient Temperature (°F)
41°F to 131°F
Ambient Temperature (°C)
5°C to 55°C
70 G max at 2 ms
Relative Humidity (non-condensing)
5% to 90%
-304.8 m to 3,048 m (-1,000 ft to 10,000+ ft)

Environmental (Non-Operating)

Ambient Temperature (°F)
-40°F to 158°F
Ambient Temperature (°C)
-40°C to 70°C
300 G max at 2 ms
Relative Humidity (non-condensing)
5% to 95%
-304.8 m to 12,192 m (-1000 ft to 40,000+ ft)


  • Engineered For Mid-line / Nearline Business Critical Workloads
  • Tier 2 Business-Critical Servers And Storage Systems
  • Servers Supporting Workloads That Benefit From High Capacity Per Spindle
  • Capacity-Optimized Data Center Storage Systems
  • Applications And Hypervisors That Require Legacy 512 Native Sector Technology
  • 1GB = 1,000,000,000 bytes. Total accessible capacity varies depending upon operating environment (typically 5-10% less). The actual total capacity will depend on your own defined file settings/preferences.
  • In terms of standard gigabytes, 1GiB ≈ 1.074GB and refers to the actual formatted capacity of shown under Mac OS 10.5 or earlier and Microsoft Windows OS.
  • Specific application environments such as temperature and duty cycle will affect the overall reliability rates.
Manufacturer provided specifications for Toshiba p/n MG04ACA400N


  • (1) 4.0TB Toshiba MG04ACA-N Series Enterprise Class Hard Drive
Toshiba MG04ACA-N Series 4.0TB SATA Interface Hard Disk Drive Mfr P/N: MG04ACA400N OWC SKU: TOSMG04ACA400N with 128MB cache Toshiba 5 Year Limited Warranty Ships: Same Day only $149.99 $139.99 with qualifying purchaseAdd to CartToshiba MG04ACA400N In Stock, Click to Buy Now