OWC
Mercury Elite Pro 12TB 2 Bay RAID Enclosure with eSATA and USB 3.2 for Dual 3.5 inch HDD's, External Hard Drive Enclsoure for MAC and PC
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The Mercury Elite Pro 12TB 2 Bay RAID Enclosure with eSATA and USB 3.2 for Dual 3.5 inch HDD's, External Hard Drive Enclsoure for MAC and PC is a niche pick — read recent reviews before buying in the external storage category, priced around $549.99. Read recent reviews carefully before committing.
OWC Mercury Elite Pro Dual Professional Grade Solution. Performance RAID Solution with USB 3.1 Gen 1 & eSATA. Mercury Elite Pro Dual is the best dual-drive hardware RAID solution for creative workflows, project archives, and system backups where reliability and versatile performance count. With two fast hard drives, easily configured in multiple RAID modes at the flick of an easy-access switch, Mercury Elite Pro Dual is built to seamlessly integrate with any work environment. Reliable hardware RAID maximizes the full potential of two 3.5" 7200RPM hard drives in the Mercury Elite Pro Dual. It…
SpecPicks Verdict
SpecPicks classifies OWC Mercury Elite Pro 12TB 2 Bay RAID Enclosure with eSATA and USB… as a niche pick — read recent reviews before buying in the external storage category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. OWC's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Backed by OWC's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Drive Bays - This 12TB dual bay enclosure supports two 3.5-inch SATA 7200 RPM hard drives, easily configurable in multiple RAID modes with a simple switch, making the Mercury Elite Pro Dual perfect for both high-demand production studios and home offices.
- Hardware - The hard drive enclosure supports 4 RAID modes: RAID 0, RAID 1, SPAN, JBOD. The enclosure is pre-configured in high-speed RAID 0 mode for maximum throughput up to 407MB/s, ideal for HD video workflows. You can also switch to RAID 1 for mirrored data security, set up a span of the two drives, or use them independently.
- Ports - This enclosure features a USB 3.2 Gen 1 Type-B port and an eSATA 6 Gb/s port that supports port multiplier functionality, ensuring versatile and high-speed connectivity options.
- Transfer - USB 3.2 Gen 1 Up to 5 Gb/s (625 MB/s), USB 2.0: Up to 480 Mb/s, USB 1.1: Up to 12 Mb/s, eSATA Rev 3.x: Up to 6 Gb/s, eSATA Rev 2.x: Up to 3 Gb/s, eSATA Rev 1.x: Up to 1.5 Gb/s (187.5 MB/s).
- Includes - (1) OWC Mercury Elite Pro 12TB Dual External Storage Enclosure, (1) 0.6M (24") USB-A to USB-B Cable, (1) 1.0M (39") eSATA 6G Cable, (1) External Power Supply, (1) US Power Cable, (1) Quick Start Guide, (1) Assembly Manual & User Guide, 1 Year OWC Limited Warranty.
Full Specifications
| Brand | OWC |
|---|---|
| Color | Multicolor |
| Weight | 6g |
| Material | Aluminum |
| Connectivity | USB |
| Model Number | OWCMED3ER7T12.0 |
| Compatibility | PC, Switch, Mac |
| Built-In Media | OWC Mercury Elite Pro Dual high performance solution, 0.6 meter (24 in) USB 3.1 Gen 1 Cable (Standard-A to Standard-B), 1.0 meter (39 in) eSATA 6G Cable, External power supply and power cable |
| Mfr Part Number | MED3ER7T12.0 |
| Hardware Platform | Universal |
| Compatible Devices | Desktop |
| Data Transfer Rate | 407 Megabytes Per Second |
| Enclosure Material | Aluminum |
| Hardware Interface | USB 3.2 Gen 2, eSATA |
Ready to buy?
OWC Mercury Elite Pro 12TB 2 Bay RAID Enclosure with eSATA and USB 3.2 for Dual 3.5 inch HDD's, External Hard Drive Enclsoure for MAC and PC is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
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