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4.0TB MG04SCA Series SAS Interface Enterprise Class Hard Disk Drive

3.5-Inch | SAS 6.0Gb/s | 7200RPM | 64MB Cache
Introducing Toshiba Persistent
Write Cache Technology
Mission Critical Performance
The MG04SCA Enterprise Capacity HDD models provide capacities up to 5 TB and 7,200 rpm performance, in a robust design engineered for nearline business-critical workloads.
Power-efficient Performance
The MG04SCA series utilizes industry-standard 3.5-inch 26.1mm height form factor and Advanced Format sector technologies for optimum capacity and data reliability. Toshiba Persistent Write Cache technology helps enhance performance with handling data in the event of a sudden loss of power. Equipped with 6.0 Gbit/s SAS interface, the Enterprise Capacity MG04SCA models help save rack space and reduce the footprint and operational burden of business critical servers and storage systems.
Advanced Format Technology
512e or 4Kn Advanced Format sector technology models are available. 4Kn models (MG04SCAxxxA) offer optimum performance and compatibility with the 4K applications and operating environments. 512e models (MG04SCAxxxE) provide support for legacy applications and operating environments that require 512B sector lengths.
A Note on SAS Compatibility
SAS drives are not compatible with SATA interface storage solutions. If you're not sure if you need a SAS, SATA, or any other type of drive, please contact our Customer Service team for assistance.

4.0TB Toshiba MG04SCA400 Specifications:


Form Factor
3.5″ HDD
SAS 6.0Gb/s
Formatted Capacity2
Rotational Speed
7,200 RPM
Cache / Data Buffer
Manufacturer Model Number


Height (max)
26.1mm (1.027″)
Width (max)
101.6mm (4.0″)
Length (max)
147mm (5.787″)
Weight (typical)
720g (1.587 lbs.)
Bytes per Sector
512 / 4096


MTBF (Mean Time Between Failures)
1,400,000 hours
24 x 7 Operation
Nonrecoverable Read Errors
1 per 1016 bits read
5 Year Toshiba Limited Warranty


Transfer Rate (Max)
Average Seek Time
Average Latency


Read Power
11.3 Watts
Write Power
11.3 Watts
Idle Mode
6.2 Watts

Environmental (Operating)

70 G max at 2ms
Ambient Temperature (°F)
32°F to 140°F
Ambient Temperature (°C)
0°C to 60°C
0.75 G (5 to 500 Hz)
Relative Humidity (non-condensing)
8% to 90%
-304.8 m to 3,048 m (-1,000 ft to 10,000+ ft)

Environmental (Non-Operating)

300 G max at 1ms
Ambient Temperature (°F)
-40°F to 158°F
Ambient Temperature (°C)
-40°C to 70°C
1.04 G (5 to 500 Hz)
Relative Humidity (non-condensing)
5% to 95%
-304.8 m to 12,192 m (-1000 ft to 40,000+ ft)
  1. 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.
  2. 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.
  3. Specific application environments such as temperature and duty cycle will affect the overall reliability rates.
Manufacturer provided specifications for Toshiba p/n MG04SCA400E UPC#: 4053162897069
Please note: SAS drives are not compatible with SATA interface storage solutions. If your system does not have an SAS controller, it will be unable to use this drive. If you're not sure if you need a SAS, SATA, or any other type of drive, please contact our Customer Service team for assistance.

This product is compatible with... Learn how to find your Mac's model ID
Xserve Intel
Xserve 8-Core (Early 2009)
(April, 2009)
Model ID: Xserve3,1
2.26GHz, 2.66GHz, 2.93GHz
Xserve Intel
Xserve Quad-Core (Early 2009)
(April, 2009)
Model ID: Xserve3,1
Xserve Intel
Xserve (Early 2008)
(January, 2008)
Model ID: Xserve2,1
2.8GHz, dual 2.8GHz, dual 3.0GHz
Xserve Intel
Xserve (Late 2006)
(August, 2006)
Model ID: Xserve1,1
dual 2.0GHz, dual 2.66GHz, dual 3.0GHz
Mac Pro
Mac Pro
Models equipped with a SAS Controller Card
PowerMac G4
Power Mac G4 & G5
Models equipped with a SAS Controller Card
PC Servers
PCIe capable servers
With an installed
SAS PCIe Controller
3.5-inch SAS Enclosures
3.5" SAS Enclosures


The best warranty is one you never have to use - but should the need occur - we're proud to provide a superior level of support and service coverage to our customers.

90 Day OWC Replacement Warranty
OWC is proud to offer an extended replacement window of 90 days on new internal hard disk drives. Once a return authorization number has been issued and we receive the problematic drive back, you will get a brand new replacement drive, rather than a factory refurbished drive.

5 Year Toshiba Warranty
After 90 days, the drive is fully backed by the manufacturer to be free from defects in material and workmanship for the remainder of the five year warranty period.

Customer Ratings

Write a Review 5 / 5 1 out of 1 (100%) reviewers would recommend this product
Verified Buyer Top 100 Contributor
Reviewer: albertringo Location: San Juan Puerto Rico Age: 55-65 Experience Level: IT Professional Owned Product: over 6 months
Rating: 5/5 Toshiba enterprise March 29, 2019 this is the bes HD, you can buy, m i strongly trust in Toshiba

I would recommend this item to a friend! This review is from 3.0TB Toshiba MG04SCA Series 3.5-inch SAS 6.0Gb/s 7200RPM Enterprise Class Hard Drive.

Toshiba 4.0TB MG04SCA Series SAS Interface Enterprise Class Hard Disk Drive Mfr P/N: MG04SCA400E OWC SKU: TOSMG04SCA400E 64MB Cache 7200RPM
SAS 3.0 (6Gb/s, 3Gbs & 1.5Gb/s backwards compatible) HDD
Toshiba 5 Year Limited Warranty
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