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4.0TB (4000GB) OWC Mercury Elite Pro High Performance 7200RPM FireWire 400+USB2 Storage Solution with 64MB Data Buffer and featuring the Oxford 934 Chipset. FW400 & USB2 Cables, Prosoft Data Backup, Intech HD SpeedTools, and 3 Year OWC Limited Warranty. (MAU4S7H40T64)

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Same Day $319.99
OWC Discounted Price: $249.00
Rating: 4.9 based on 7 reviews.
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OWC Mercury Elite Pro

4.0TB Storage Solution

Mac / PC / USB 2.0 & 1.1 / FireWire 400
  • Mac
  • PC
  • FireWire 400
  • USB
High Performance, High Reliability, and High Portability are standard for the OWC Mercury Elite Pro series!
Outstanding Features
High Performance
Our high-speed Oxford 934 bridge chipset combined with the fastest SATA drive mechanisms available allow Mercury Elite Pro Solutions to deliver the fastest single drive transfer rates possible, up to 60 Megabytes Per Second! With any drive up to 3.0TB!
High Reliability
A top-notch design and the best components ensure the Mercury Elite Pro Series is built to last. The included 3 Year OWC Solution Limited Warranty backs this up!
High Portability
The compact and shock-resistant design has the Mercury Elite Pro going places! In addition, the Mercury Elite Pro offers (2) FireWire 400(1394A) ports and (1) USB 2.0+1.1 Port for easy Plug and Play on virtually ANY system with a FireWire port! Even the cables are included!
Designed to complement any user's system, the Mercury Elite Pro was created in mind with the Mac Pro system as a starting point. As the pictures show, it's a fine storage solution for any computer. Also, a blue activity LED complements the design recessed behind the front grille showing when your drive is being accessed.
Includes the Powerful SpeedTools Utility Suite for Mac
The comprehensive Mac utility used by professionals for accurate Mac diagnosis and maintenance. Click the SOFTWARE tab below to learn more »
From day one, the OWC Mercury Elite Pro Series has been designed to be everything you would hope for and more!


Mercury Elite Pro includes
  • External OWC Mercury Elite FireWire 400+USB2 Drive
  • 36" High Quality Double Shielded FireWire 400 connecting cable (6-6 Pin cable)
  • 36" High Quality Double Shielded USB 2.0/1.1 connecting cable
  • UL Listed U.S./International Auto Switching 100 ~ 240v, 50/60Hz input, 12 Volt 2 Amp output Power Supply (adapter plugs for International use sold separately). For replacement power supply, click here.
  • Vertical Stand
  • Mercury Elite Pro Combo Manual (3.9MB PDF)
  • Pre-installed Backup and Utility software
    • Intech® SpeedTools Utilities™ OEM (For Mac OS 8.6 - X only)
    • ProSoft Engineering® Data Backup for Mac OS X v10.2.8 or later
    • NovaStor NovaBACKUP® for Windows 2000 or later
  • Over 1.5GB of Freeware/Shareware/Public domain software pre-installed
  • OWC 3 Year Solution Warranty with 48-Hour Turnaround Time
  • complementary Level 1 Data Recovery


Product Specifications:


  • Oxford 934 High-Performance Chipset

Standard Mechanism

    4.0TB HGST Deskstar 7K4000 Specifications:


    Form Factor
    3.5″ HDD
    SATA 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)
    690g (1.521 lbs.)
    Bytes per Sector


    Contact Start-Stops
    Nonrecoverable Read Errors
    1 per 1014 bits read
    3 Year HGST Warranty


    Transfer Rate (Max)


    Maximum Start Current, DC
    2.0 Amps
    Idle Mode
    6.9 Watts

    Environmental (Operating)

    70 G max at 2ms
    Ambient Temperature (°F)
    41°F to 140°F
    Ambient Temperature (°C)
    5°C to 60°C
    (G RMS 5 to 500Hz): 0.67 (XYZ)
    Relative Humidity (non-condensing)
    8% to 90%
    -304.8 m to 3,048 m (-1,000 ft to 10,000+ ft)

    Environmental (Non-Operating)

    350 G max at 1ms
    Ambient Temperature (°F)
    -40°F to 158°F
    Ambient Temperature (°C)
    -40°C to 70°C
    (G RMS 2 to 200Hz): 1.04 (XYZ)
    Relative Humidity (non-condensing)
    5% to 95%
    -304.8 m to 12,192 m (-1000 ft to 40,000+ ft)


    Idle (Typical)
    2.9 bels
    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.
  • 4.0TB* HGST Deskstar™ 7K4000 Hard Disk Drive**

  • *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.

    **OWC reserves the right to replace or upgrade to equivalent or better components.

Drive Interface

  • SATA (Serial ATA)

Drive Cache Size

  • 64 Megabyte (65,536k)

Drive Rotation Speed

  • 7200RPM

Port Configuration

  • FireWire 400 – (2) 6 pin port
  • USB 2.0/1.1 – (1) 5 pin port

Max Data Transfer Rate

  • FireWire 400 – 400Mbps (or 50MB/sec)
  • USB 2.0 – 480Mbps (or 60MB/sec)
  • USB 1.1 – 12Mbps (or 1.5MB/sec)

Port/Interface Bootability

    Can I use this solution as an external startup drive?
  • FireWire 400: Supported on Macs and PC's meeting minimum requirements. - Click for more info
  • USB 2.0: Supported on Macs and PC's meeting minimum requirements. - Click for more info


Macintosh System Requirements

  • Mac OS 8.6 to 9.2.2, Mac OS X 10.0.x or later and including 'Mavericks' 10.9.x and an available USB 1.1 or FireWire 400 port.
  • Time Machine® Compatible: Mac OS X 10.5 (version introduced) and later.

Windows System Requirements

  • Windows 98SE or later and an available FireWire 400 or USB 2.0/1.1 port.

ProTools Compatible

  • Protools Compatible Yes.
  • OWC recommends 7200RPM Drive Rotation Speed using FW800 & eSATA connections

Power Supply

External Case Dimensions

  • 1.5 in (W) x 9 in (D) x 4.6 in (H)
  • 38.1mm x 228.6mm x 116.84mm

Total Shipping Weight

  • Approximately 2.7 pounds (1.2kg)

Software Included

Product Manual

Operating Environment:


  • (operating) 5°C – 42°C (41°F – 107°F)
  • (non-operating) -40°C – 65°C (-40°F – 149°F)

Relative Humidity

  • (operating) 8% – 90% RH (Non-condensing)
  • (non-operating) 5% – 95% RH (Non-condensing)


  • 65G 2mS; (non-operating) 175G 2mS


  • (operating) 1.0G (5 – 300Hz)
  • (non-operating) 5.0G (5 – 500Hz)

MTBF (hours)

  • 1,200,000

Load/Unload Cycles

  • 300,000


3 Year OWC Solution Limited Warranty

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. OWC and NewerTech storage solutions come fully backed by an Industry-leading 48-hour turnaround time which includes complementary Level 1 data recovery for the first year, plus additional data recovery options available throughout the warranty period, for complete peace of mind ownership confidence.

View more information about the 3 Year OWC Solution Limited Warranty

Note: Do not disassemble or otherwise open your OWC solution prior to the conclusion of the 3 Year OWC Solution Limited Warranty period. Doing so will void the remainder of the OWC warranty.

Manufacturer provided specifications for Other World Computing p/n MAU4S7H40T64


Prosoft Macworld 4.5 miceProsoft
Prosoft Engineering® Data Backup 3 for Mac OS X v10.2.8 or later
Backup Made Easy. Data Backup makes it easy to backup to FireWire and USB drives, network drives, CDs and even DVDs. Make schedules so you don't need to 'think' about backing up... It does it for you.
A $59.00 Value! View detailed software info, or click here to purchase softwareseparately from solution
NovaStor NovaBACKUP® Solution for Windows®
NovaBACKUP has been helping millions of users recover from data loss and disasters for over 18 years. Feature rich, NovaBACKUP provides a powerful backup solution. Built-in support for hundreds of the most popular storage devices and a step-by-step backup and restore wizard makes NovaBACKUP extremely easy to use. Requires Windows 2000 or later.
A $49.95 Value! View detailed software info
Intech SpeedTools Utilities
Intech® SpeedTools Utilities™
Intech SpeedTools consists of a suite of utilities managed by an application which controls the launching, documentation and version control of each individual component utility, such as Disk Defrag and QuickBack. An easy-to-use installation and removal application is provided to make installation a snap, yet powerful enough to allow you to customize which utility component set you would like to create.
An $89.95 Value! View detailed software info, or click here to purchase software separately from solution



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OWC 4.0TB OWC Mercury Elite Pro Mfr P/N: MAU4S7H40T64 OWC SKU: OWCMAU4S7H40T64 Storage Solution 3 Year OWC Solution Limited Warranty Ships: Same Day only $249.00 Other World Computing MAU4S7H40T64 In Stock, Click to Buy Now
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