8.0TB Promise Technology Pegasus J2i
Two-Drive Internal Storage Enclosure for Mac Pro (2019 to Present)
Used | OWC Tested
Mfr P/N: HMUF2ZM/A OWC SKU: PTIP3J2IHD08U
Highlights
- Direct-attached internal storage for Mac Pro
- Plug and play inside Mac Pro
- Rugged, elegant, and easy to set up
- One 3.5-inch 7200-rpm 8TB SATA hard drive, preformatted
- Space to add a second hard drive
- 90 Day OWC Fulfilled Limited Warranty
Overview
The Promise Pegasus J2i is an internal storage enclosure designed specifically for Mac Pro systems. The Promise Pegasus J2i 8TB Internal Storage Enclosure offers Mac Pro users a reliable, high-performance storage solution that seamlessly integrates with their system, providing ample storage capacity, fast data transfer rates, and easy scalability.
Capacity
The Pegasus J2i offers a generous 8TB of storage capacity, providing ample space for storing large files, multimedia content, and various data-intensive applications.
Compatibility
This storage enclosure is tailored for seamless integration with Mac Pro systems, ensuring optimal performance and compatibility. It's designed to fit perfectly into the Mac Pro's internal drive bay, offering a streamlined storage solution for Mac users.
High-Speed Connectivity
The Pegasus J2i utilizes high-speed SATA III connectivity, enabling fast data transfer rates and smooth performance. This ensures that users can access their data quickly and efficiently, whether they're working on multimedia projects, accessing large files, or running resource-intensive applications.
Hot-Swappable Drive
The enclosure features a hot-swappable drive design, allowing users to easily replace or upgrade the internal hard drive without the need for tools or complicated installation processes. This enhances the flexibility and scalability of the storage solution, enabling users to adapt to changing storage needs effortlessly.
Quiet and Efficient Cooling
To maintain optimal operating temperatures and ensure reliable performance, the Pegasus J2i is equipped with a quiet and efficient cooling system. This helps to dissipate heat effectively, keeping the internal drive cool even during extended periods of use, while also minimizing noise levels for a quieter working environment.
Sleek and Durable Design
With its sleek and durable design, the Pegasus J2i not only complements the aesthetics of the Mac Pro but also offers reliable protection for the internal hard drive. The enclosure is built to withstand daily wear and tear, providing long-lasting performance and peace of mind for users.
Easy Installation
Installing the Pegasus J2i is straightforward, thanks to its user-friendly design and comprehensive installation instructions. Users can quickly and easily install the enclosure into their Mac Pro system, allowing them to start using the additional storage capacity without delay.
Includes
- (1) Promise Pegasus J2i Drive Module
- (1) Preinstalled 8TB 3.5-inch 7200-rpm hard drive
- (1) SATA and power cable for connection to Mac Pro
- 90 Day OWC Fulfilled Limited Warranty
Specs
Drive Bays
- 2 bays supporting: 3.5-inch SATA drives
Capacity
- 8.0 TB
Formatted Capacity
- 7451GiB
Form Factor
- 3.5-inch
RAID Capable
- No
Dimensions
- Height: 15.5 cm (6.1 in)
- Length: 12.1 cm (4.8 in)
- Width: 9.9 cm (3.9 in)
Weight
- 960.0 g (2.12 lbs)
Compatibility & Installation Videos
Mac Pro

Mac Pro (Mid 2023)
Mid 2023
Model ID: Mac14,8
Apple M2 Ultra

Mac Pro Rack (Mid 2023)
Mid 2023
Model ID: Mac14,8
Apple M2 Ultra

Mac Pro Rack (Late 2019)
Late 2019
Model ID: MacPro7,1
3.5GHz 8-Core Xeon

Mac Pro Rack (Late 2019)
Late 2019
Model ID: MacPro7,1
3.3GHz 12-Core Xeon

Mac Pro Rack (Late 2019)
Late 2019
Model ID: MacPro7,1
3.2GHz 16-Core Xeon

Mac Pro Rack (Late 2019)
Late 2019
Model ID: MacPro7,1
2.7GHz 24-Core Xeon

Mac Pro Rack (Late 2019)
Late 2019
Model ID: MacPro7,1
2.5GHz 28-Core Xeon