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Mercury Elite Pro Dual with 3-Port Hub
28.0TB USB 10Gb/s External Storage Solution

USB / SATA 6.0Gb/s / Mac, Windows and mobile devices
The Digital Desktop Centerpiece
The Mercury Elite Pro Dual with 3-Port Hub gives you nearly infinite options for your workspace. This beautiful, modern designed solution is universally USB compatible and can handle diverse workflows. Compact and available plug and play ready, the Mercury Elite Pro Dual is not only superfast, convenient, and versatile, it will quickly become the centerpiece of your digital lifestyle.

High performance where it matters, the Mercury Elite Pro Dual with 3-Port Hub delivers over 1000MB/s (1GB/s) of real-world* data transfer speed. Now you can transfer the equivalent of an entire DVD in less than 5 seconds or transfer 1,000 photos in 2 seconds. Performance like this is great for backup, photography, audio, virtual machines, even video editing.

The rear-side hub offers three USB ports to connect high-speed storage with performance of up to 1250MB/s as well as keyboards, mice, phones, etc. In short, you can connect virtually any USB peripheral or device you have, and the Mercury Elite Pro Dual with 3-Port Hub supports it.

All three USB Hub ports are designed for the accessories of today and tomorrow. That means they’re backward compatible, fully powered, and provide complete performance. Whether you’re using it to connect your keyboard and mouse, bus-powered or desktop drives, mixers, or video – you are assured to have all the ports you need at maximum speed and power. And, of course, it fully supports the charging, powering, and data syncing of your mobile devices, tablets, cameras, headphones and gaming devices too.

The Mercury Elite Pro Dual with 3-Port Hub includes all the cables you need to connect to any computer or USB- equipped mobile device, and its whisper-quiet design lets you work without distraction. It's simply the convenient do-it-all, works-with-all solution that puts you in control of your desktop.
Multiple Bays, Multiple Options
From high-demand production studios to your home office, the Mercury Elite Pro Dual seamlessly integrates with any work environment. Dual drive bays let you install your choice of 2.5-inch or 3.5-inch SSDs or HDDs. Built-in hardware RAID gives you enhanced data protection or maximum throughput.
Single-Click Drive + Dock Ejection
Need to take it on the go or disconnect it? Or, maybe you’re done with the drives? OWC’s free Dock Ejector app lets you safely dismount the OWC Mercury Elite Pro Dual with 3-Port Hub and any additional external drives connected to it from your computer in a single click. You’ll be sure that all data has been safely written before any drive is unmounted, protecting against accidental data loss or corruption.
Ready to Work Anywhere
At 5.8” high x 3.3” wide and weighing under four pounds with SSDs installed, the Mercury Elite Pro Dual with 3-Port Hub is compact leaving you more workspace as well as being able to take with anywhere. It connects to any Mac or PC with an available USB port, so it’s universally compatible with nearly all USB computers from the last decade up to the latest machines. You can also work cross-platform with Macs and PCs using OWC's MacDrive software (sold separately).
Secure Your Workflow with OWC ClingOn
Active workspaces expose gear to bumps, shoves, and the random tail wag from a pet. Just one ill-timed touch can cause an accidental cable disconnection interruption to your workflow. The OWC ClingOn custom cable stabilizers (sold separately) screw into the OWC Mercury Elite Pro Dual with 3-Port Hub housing to secure your USB-C connections so you can work with confidence even in the highest foot traffic environments.
Universal USB Compatible with Included Cables
To help you start working immediately and hassle-free with any USB machine, we include high-quality USB connecting cables right in the box.
* Up to 1026MB/s sequential read/write performance with 2 x 1.0TB Mercury Extreme Pro 6G SSDs in RAID 0 connected to a Windows 10 PC (GIGABYTE GA-Z170X-UD5 motherboard with 16GB RAM, Intel Core i5-6400 2.70GHz processor) running Crystal Disk Mark 7.0.0x64 (1GB test size, Q8T1). Up to 567MB/s sequential read/write performance with 2 x 16.0TB Seagate Exos X16 HDDs I. RAID 0 connected to 15-inch MacBook Pro 2018 (MacBookPro15,1) with 16GB RAM and 2.2GHz processor running AJA System Test (4K-Full resolution, 64GB file size, 10bit RGB codec, single file test). Performance will vary depending on drives and application used.

Product Specifications

  • Mechanisms Supported
    • 2.5 inch and 3.5 inch SATA drives
  • Total Solution Cache Size
    • 512 MB
  • Standard Mechanism
    • (2) 14TB Toshiba MG07ACA Series 7,200RPM SATA Interface Enterprise Class Hard Disk Drives with 256 MB cache
    • *OWC reserves the right to replace or upgrade to equivalent or better components.
  • Bootable
    • Independent volumes bootable in macOS
  • Hot Plug Support
    • Yes
  • Chipset
    • SATA/RAID Controller: (1) Asmedia ASM-1352R
    • USB Hub: (1) Genesys Logic GL-3590
  • Certifications
  • Data Transfer Rate (Maximum)
    • USB 3.2 Gen 2 : 10 Gb/s (or 1250 MB/s)
  • RAID Capable
    • Yes
  • RAID Levels Supported
    • RAID 0
    • RAID 1
    • SPAN
    • JBOD
  • RAID Features
    • Hardware RAID
  • Mac OS Compatibility
    • 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
    • macOS 11.0 Big Sur
  • PC OS Compatibility
    • Windows 7 32-bit Edition
    • Windows 7 64-bit Edition
    • Windows Home Server 2011
    • 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 Server 2012 R2
    • Windows 10 32-bit Edition
    • Windows 10 64-bit Edition
    • Windows Server 2016
  • Linux OS Compatibility
    • Yes
  • Mobile OS Compatibility
    • iPadOS 13
    • iPadOS 14
  • Other OS Compatibility
    • Chrome OS
  • Host Port Requirements
    • This device will connect at the maximum speed supported by your computer:
    • Most Thunderbolt 3 and USB 3.2 Gen 2 (USB-C) equipped computers (2016 or later) - 10Gb/s (1250MB/s)
    • Most USB 3.0 or USB 3.1 Gen 1 (USB-A or USB-C) equipped computers (2015 and earlier) - 5Gb/s (600MB/s)
    • Most USB 2.0 equipped computers (2011 and earlier) - 480MB/s
  • Driver Required
    • No
  • Power Supply
    • External UL-listed universal auto-switching power supply
  • AC Input
    • 100-240V, 50-60Hz, 2A
  • DC Output
    • +12V, 6A
  • Wattage
    • 72W Watts
  • External Power Adapter
    • Yes
  • Number of Bays
    • 2
  • Device Ports
    • (1) Host Port - USB 3.2 Gen 2 Type-C up to 10Gb/s (1250MB/s) - USB 2.0/3.0 backwards compatible
    • (1) USB 3.2 Gen 2 Type-C Port up to 10Gb/s (1250MB/s) - USB 2.0/3.0 backwards compatible
    • (2) USB 3.2 Gen 2 Type-A Ports up to 10Gb/s (1250MB/s) - USB 2.0/3.0 backwards compatible
  • Cooling
    • (1) 60mm 2,500RPM cooling fan
  • Security Slot
    • Yes
  • Power/Activity LED
    • Yes
  • Housing Color
    • Silver
  • Housing Material
    • Aluminum
  • Dimensions
    • Height: 14.7 cm (5.8 in)
    • Length: 23.9 cm (9.4 in)
    • Width: 8.5 cm (3.3 in)
  • Weight
    • 1.4 kg (3.13 lbs)
  • Ambient Temperature
    • Operating: 41°F to 95°F (5°C to 35°C)
    • Non-Operating: -4°F to 140°F (-20°C to 60°C)
  • Altitude
    • Operating: -304.8 m to 3,048.0 m (-1,000 ft to 10,000 ft)
    • Non-Operating: -304.8 m to 12,192.0 m (-1,000 ft to 40,000 ft)
  • Humidity
    • Operating: 8% to 90% non-condensing
    • Non-Operating: 5% to 95% non-condensing
  • Noise
    • Varies depending on drive mechanism installed
Manufacturer provided specifications for OWC p/n OWCMEDCH7T28



  • (1) Mercury Elite Pro with 3-Port Hub
  • (1) External power supply and power cable
  • (1) USB 3.2 Gen 2 10Gb/s USB-C to USB-C cable
  • (1) USB 3.2 Gen 2 10Gb/s USB-A to USB-C cable
  • (1) Quick Start Guide
  • (1) Assembly Manual & User Guide (Download Only)
  • 3 Year OWC Limited Warranty

Customer Ratings

Write a Review 4.4 / 5 4 out of 5 (80%) reviewers would recommend this product
Verified Buyer
Reviewer: RealGecko-88753
Rating: 5/5 Can't go wrong with OWC June 17, 2021 Decent shipping time and excellent quality drive.

I would recommend this item to a friend! This review is from 8TB OWC Mercury Elite Pro Dual RAID Storage Solution with USB (10Gb/s) + 3-Port Hub.

Response from OWC, Support June 17, 2021 Glad to hear your shopping experience went well, and we look forward to see you again!
Verified Buyer
Reviewer: LongManatee-70451
Rating: 3/5 Very noisy enclosure May 25, 2021 Had to wrap the unit in sound deadening film to make it useable.

This review is from OWC Mercury Elite Pro Dual RAID Storage Enclosure with USB (10Gb/s) + 3-Port Hub.

Verified Buyer
Reviewer: marcelperezc
Rating: 5/5 Does not disappoint! May 10, 2021 A company that has been my only supplier for 15+ years does not disappoint! Fantastic product and awesome customer service; their website is easy to navigate, plus real deals on items on sale. Thank you OWC!

I would recommend this item to a friend! This review is from 16TB OWC Mercury Elite Pro Dual RAID Storage Solution with USB (10Gb/s) + 3-Port Hub.

Verified Buyer
Reviewer: FierceKangaroo-62013
Rating: 5/5 Great product April 27, 2021 As always mac sales has those items no big reseller carries and always at a god price.

I would recommend this item to a friend! This review is from 2TB OWC Mercury Elite Pro Dual SSD RAID Storage Solution with USB (10Gb/s) + 3-Port Hub.

Verified Buyer
Reviewer: ren0901 Location: SW burbs of Chicago Age: 55-65 Experience Level: Power User Owned Product: less than a month
Rating: 4/5 Excellent product, poor documentation September 5, 2020 As usual, an OWC product is top-notch - this is replacing an OWC Mercury Elite Pro Dual HD FW-800 (still works, just upgrading to USB-3). Could have gone cheaper with just the Dual but glad to pay the additional amount for the 3-port hub. The copy speed is amazing when compared to FW-800

That said, there is minimal documentation for this product. The insert with the drive directs you to the OWC support section on the website but there's nothing for this product. The closest match is the Mercury Elite Pro Dock for Thunderbolt-3. I'm sure Tech Support would have been helpful if there was something I couldn't figure out

Ok to disregard the Quick Start insert regarding System Requirements requiring macOS 10.13 or later - working fine with 10.12

The cables that come with the enclosure are small (1ft)

Connect to the Mac using the top USB-C port - there's an icon there that looks like a laptop

Overall, I'm delighted with the drive and expect it to last at least as long as the enclosure that it's replacing

I would recommend this item to a friend! This review is from OWC Mercury Elite Pro Dual RAID Storage Enclosure with USB (10Gb/s) + 3-Port Hub.

OWC Mercury Elite Pro Dual with 3-Port USB Hub 28.0TB 10Gb/s External Storage Solution Mfr P/N: MEDCH7T28 OWC SKU: OWCMEDCH7T28 Up to 1026MB/s real-world performance with any USB-equipped Mac, PC, Chrome, Linux, or mobile device. Includes USB-C and USB-A connecting cables. 3 Year OWC Limited Warranty Ships: Pending only $888.00
Add to CartOther World Computing MEDCH7T28, Click to Buy Now
Additional Capacities: DIY Enclosure
  • 0TB
    • Ships: Same Day
    • Only $149.99
    • Garage Sale Price $128.75
Hard Drive Models
  • 28TB