MDD MQ04ABB400 4TB 2.5in 15mm SATA HDD - High-Capacity

In this review the MDD MQ04ABB400 is presented as a practical, high-capacity 2.5in hard drive best suited for devices that accept a 15mm height HDD. The bottom line: it is for users who need a quiet, inexpensive 4TB storage option for TiVo, small form factor PCs, DVRs and USB 3.0 external enclosures that accept a 15mm drive; the single biggest reason to buy is the combination of large capacity in a 2.5in form factor with a 5400RPM design that prioritizes low noise and power efficiency.

Key Features

• 4TB 2.5in capacity: Provides substantial storage for movies, recordings and large media libraries without moving to a full 3.5in drive.
• 15mm form factor: The thicker 15mm height allows higher platter density but also means it is not compatible with most laptops that require 7mm or 9.5mm drives.
• SATA 6.0Gb/s interface: Ensures broad compatibility with TiVo boxes, Mini PCs, desktop SATA bays and many DVR systems that support SATA III.
• 5400RPM, 16MB cache: Balances performance and power consumption, delivering quiet operation and good read/write behavior for media playback and backups.
• MTTF 600,000 hours: Designed with a reliability expectation suited for always-on devices like home DVRs and surveillance recorders.
• Bare drive pack: Supplied as a single bare drive for integration into enclosures or systems, which keeps cost down for experienced installers.

Who It's For

The MQ04ABB400 is aimed at owners of TiVo Bolt and similar DVR-style systems, small form factor PCs, all-in-one desktops with a 15mm bay, and surveillance DVRs that accept 2.5in, 15mm drives. It is also appropriate for users building a USB 3.0 external enclosure that explicitly supports a 15mm drive; when fitted correctly it provides a large, quiet storage pool for media and continuous recording.

Those who should look elsewhere include traditional laptop users or anyone whose device only accepts slimmer 7mm or 9.5mm drives, and users who need the highest sustained throughput for heavy workstation workloads, since this is a 5400RPM client-class drive optimized for capacity and low noise rather than peak performance.

Pros & Cons

Pros

• High 4TB capacity in a compact 2.5in package for media libraries and DVR recordings.
• Quiet, low-power 5400RPM operation that suits always-on home devices.
• Broad SATA 6.0Gb/s compatibility with TiVo, Mini PCs, desktops and many DVRs.
• Solid MTTF rating for applications requiring long runtime between failures.

Cons

• 15mm thickness makes it incompatible with most laptops and slimmer enclosures, so careful fit checks are required.
• Client-class 5400RPM speed may not satisfy users needing high sustained I/O for heavy workstation tasks.

Specifications

Capacity	4TB
Form factor	2.5in (15mm height)
Interface	SATA 6.0Gb/s
Rotation speed	5400RPM
Cache	16MB
MTTF	600,000 hours
Package	Bare drive, single pack (no screws or cables)

Our Verdict

The MDD MQ04ABB400 is a sensible choice for TiVo owners, small PCs and surveillance DVRs that require a quiet, high-capacity 2.5in drive and have a 15mm bay. It offers excellent value per gigabyte and low-noise operation, but buyers must confirm physical clearance because it will not fit typical laptop bays and is not aimed at high-performance workstation use.

Frequently Asked Questions

Will this fit in my laptop?
This 15mm drive will not fit most laptops; confirm your laptop accepts 15mm 2.5in HDDs before purchasing.

Do I get cables or mounting screws?
No, the drive is sold as a bare single pack and does not include screws, cables or accessories.

Do I need to format the drive?
Yes, you should format the HDD in your system or enclosure so it is detected and usable by the host device.