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Mercury Elite Pro
16TB 3.5-inch USB 3.2 5Gb/s External Storage Solution

3.5-inch USB 3.2 5Gb/s External Storage Solution
Continuing the Legacy
The Mercury Elite Pro began OWC’s rich, storied history of storage solution innovations nearly 20 years ago. It has lasted the test of time by continuing to offer an incomparable blend of performance, quality, and value in a single-drive storage solution. The latest generation upholds our commitment to excellence and offers customers convenient access to their data with even more space and higher transfer speeds.
An Essential External Solution for Everyone
Photos, music, and videos are a part of everyday digital life. Add in presentations, reports, record-keeping, and correspondence, and the result is a staggering amount of data that needs to be stored in a single, accessible location. The Mercury Elite Pro is an essential desktop drive for creative pros, small businesses, home office users, and families with ever-growing storage capacity needs.
Housed in a rugged, solid aluminum enclosure, the Mercury Elite Pro is built for modern data management with a high performance 3.5-inch 7200RPM hard drive. It can be used for a variety of personal and business needs including:
  • Pro-level video editing projects
  • Time Machine and File History backups of important business data and irreplaceable personal photos
  • Consolidating files from multiple smaller drives to a single location for faster, more convenient access
  • Migrating data from an existing machine to a new computer
  • Expanding game storage of console gaming systems
  • Freeing up space on a computer's internal drive to improve performance
Purposefully Designed
Offering an ideal blend of form and function, the Mercury Elite Pro’s fanless, brushed aluminum chassis provides maximum heat dissipation to run quietly cool while the shock isolation design keeps the drive – and your data — safe and protected. It fits discreetly on any desktop with the included vertical orientation stand. You can also place it horizontally, using the included non-skid rubber feet, and even stack multiple units to create a capacity “tower of power”.
Ready for Play
The Mercury Elite Pro isn’t just all work and no play. Besides saving and backing up computer data or functioning as a workhorse drive on set or in the edit suite, it can be used to watch videos, listen to music, and view pictures through your gaming console or attached directly to your Smart TV.
Gain Critically Needed Gaming Space
With their stunning realism, modern games have grown to an average of 40GB per game. For example, Xbox One gaming system’s standard 500GB internal drive will only hold 12 “regular” games. How do you play more games — including 4K games that are up to 100GB in size — without uninstalling other games? Easy … for every 1TB of Mercury Elite Pro capacity you add as external storage to your console, you’ll gain space to store up to 24 average-sized games. Besides eliminating the limitations of your internal capacity, you’ll gain the ability to offload the games you play most regularly and potentially load and save them faster.
Certified for Demanding Use
We understand having confidence in gear reliability is paramount to creative professionals. That’s why every Mercury Elite Pro pre-configured solution undergoes a multi-step performance certification prior to shipping. This ensures it arrives operating properly and immediately ready for demanding use.

  1. Sequential read/write (max) performance numbers are based on testing 14.0TB Toshiba HDD with AJA System Test (4KFull resolution, 64GB file size, 10bit RGB codec, file per frame test).
  2. If movie playback from an external hard drive and movie format is supported by your Smart TV.

Product Specifications:

OWC Part Number

  • ME3NH7T00

Mac OS Compatibility

  • Mac OS X 10.6 Snow Leopard
  • Mac OS X 10.7 Lion
  • Mac OS X 10.8 Mountain Lion
  • OS X 10.9 Mavericks
  • OS X 10.10 Yosemite
  • OS X 10.11 El Capitan
  • macOS 10.12 Sierra
  • macOS 10.13 High Sierra
  • macOS 10.14 Mojave
  • macOS 10.15 Catalina

PC OS Compatibility

  • Windows 7 32-bit Edition
  • Windows 7 64-bit Edition
  • Windows 8 32-bit Edition
  • Windows 8 64-bit Edition
  • Windows 8.1 32-bit Edition
  • Windows 8.1 64-bit Edition
  • Windows Server 2012
  • Windows 10 32-bit Edition
  • Windows 10 64-bit Edition
  • Windows Server 2016
  • Windows Home Server 2011

Host Port Requirements

Standard Mechanism

    16.0TB Seagate Exos X16 Enterprise Hard Disk Drive Specifications:


    Form Factor
    3.5″ HDD
    SATA 6Gb/s
    16.0 TB
    Formatted Capacity
    14901 GiB
    Rotational Speed
    7200 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)
    670.0 g (1.48 lbs)
    Data Heads
    Number of Disks
    Guaranteed Sectors
    Bytes per Sector
    512 / 4k (512e)
    Areal Density


    MTBF (Mean Time Between Failures)
    2,500,000 hours
    Contact Start-Stops
    Annual Failure Rate
    Nonrecoverable Read Errors
    1 per 1015 bits read


    Random 4K Read
    Up to 170 IOPS
    Random 4K Write
    Up to 440 IOPS
    Average Seek Time
    Average Latency


    Maximum Start Current, DC
    2.6 Amp
    Idle Mode, Active(Max)
    Up to 5.0 Watts

    Environmental (Operating)

    Ambient Temperature (°F)
    32°F to 140°F
    Ambient Temperature (°C)
    0°C to 60°C
    50 G max at 2 ms
    Relative Humidity (non-condensing)
    8% to 90%
    -1,000 feet to 10,000 feet

    Environmental (Non-Operating)

    200 G max at 2 ms
    Relative Humidity (non-condensing)
    5% to 95%
    -1,000 feet to 40,000 feet


    Idle (Typical)
    2.8 bels
    Seek (Typical)
    3.2 bels
    • 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.
  • 1 x 16.0TB* Seagate Hard Disk Drives**

  • *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.


  • (1) USB 3.2 Gen 1 Type-B Port

Number of Bays

  • (1) 3.5" SATA


  • Mac only

Storage Controller

  • JMicron JMS-567

Driver Required

  • No

Plug and Play

  • Yes

Power Supply

  • External UL-listed universal auto-switching power supply

AC Input

  • 100-240V, 50-60Hz, 0.9

DC Output

  • +12, 3


  • cUL
  • PSE
  • CE
  • FCC
  • GS
  • NOM,S
  • CCC
  • BSMI
  • PSB
  • RCM
  • KCC
  • TUV

Power Button

  • Yes

Security Slot

  • Yes

Housing Color

  • Silver

Housing Material

  • Aluminum


  • Environmental (Operating)
    • Temperature (°F) 41° — 95°
    • Temperature (°C) 5° — 35°
    • Altitude -304.8 m to 3,048.0 m (-1,000 ft to 10,000 ft)
    • Humidity 8% to 90% non-condensing
  • Environmental (Non-Operating)
    • Temperature (°F) −4° — 140°
    • Temperature (°C) −20° — 60°
    • Altitude -304.8 m to 12,192.0 m (-1,000 ft to 40,000 ft)
    • Humidity 5% to 95% non-condensing


  • Height: 11.8 cm (4.6 in)
  • Width: 3.5 cm (1.4 in)
  • Length: 19.5 cm (7.7 in)


  • 58.0 g (0.13 lbs)


  • Varies depending on drive mechanism installed

Data Transfer Rate (Max)

  • USB 3.2 Gen 1 : 5 Gb/s (or 625 MB/s)
Manufacturer provided specifications for Other World Computing p/n ME3NH7T16 UPC#: 810586034685



Click any of the benchmarks below to view the results.
macOS Test Results
Windows Test Results


  • (1) OWC Mercury Elite Pro USB
  • (1) USB 3.2 Gen 1 Type-B to Type-A cable
  • (1) External power supply and cable
  • (1) Quick start guide


OWC Mercury Elite Pro 16TB 3.5-inch USB 3.2 5Gb/s External Storage Solution Mfr P/N: ME3NH7T16 OWC SKU: OWCME3NH7T16 USB 3.2 Gen 1 5Gb/s interface for 3.5-inch SATA drives. USB Type-B to Type-A cable included. 3 Year OWC Limited Warranty Ships: Same Day only $519.00
Add to CartOther World Computing ME3NH7T16 In Stock, Click to Buy Now
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