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4.0TB Hard Disk Drive

2.5-Inch | SATA 6.0Gb/s | 5400RPM | 128 Cache
High Capacity, High Speed and Highly Reliable Storage
Toshiba provides high-capacity, high speed and highly reliable storage to help secure massive amounts of data in a variety of specifications for different use cases.
The Toshiba MQ04ABB400 5,400RPM Hard Disk Drive delivers up to 4TB of data storage capacity in 2.5-inch form factor. It is suitable for a notebook. The Toshiba MQ04ABB400 makes it an excellent storage solution for laptops, where capacity, power-profile, and reliability are critical.

4.0TB Toshiba Laptop Hard Disk Drive Specifications:


Form Factor
2.5″ 15mm HDD
SATA 6.0Gb/s
Formatted Capacity
Rotational Speed
5,400 RPM
Cache / Data Buffer
Manufacturer Model Number
RoHS Compliant


Idle Mode, Active, Max
70 Watts


Height (max)
1.5 cm (0.6 in)
Width (max)
7.0 cm (2.7 in)
Length (max)
10.0 cm (3.9 in)
Weight (typical)
180.0 g (0.40 lbs)
Bytes per Sector
512 / 4k (512e)

Environmental (Operating)

-304.8 m to 3,048 m (-1,000 ft to 10,000+ ft)

Environmental (Non-Operating)

-304.8 m to 12,192 m (-1000 ft to 40,000+ ft)
  • 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 MQ04ABB400


  • (1) Toshiba 4.0TB Laptop 2.5-Inch 15mm SATA Hard Drive

Customer Ratings

Write a Review 5 / 5 1 out of 1 (100%) reviewers would recommend this product
Verified Buyer
Reviewer: CheerfulMongoose-81935
Rating: 5/5 Works great! June 25, 2021 Works great with a SATA to USB cable. It’s a bit too thick to fit into the slim 2.5” case I ordered. Too bad. Still recommended esp. if you don’t want to have to use a power adapter.

I would recommend this item to a friend!

Response from OWC, Support June 25, 2021 Hi CheerfulMongoose! It's great to hear from a happy customer. The 15mm Toshiba 4.0 TB drive is slightly thicker than most 7mm or 9mm drive enclosures.
Toshiba Laptop 4.0TB Hard Disk Drive Mfr P/N: MQ04ABB400 OWC SKU: TOSMQ04ABB400 with 128MB cache Toshiba 3 Year Limited Warranty Ships: 3 Days Only $179.99OWC Price $118.99
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