Designed for creative professionals, the Pegasus32 R8 80TB 8-Bay Thunderbolt 3 RAID Array from Promise Technology delivers the speed, capacity, and protection needed for large projects and backups. Featuring eight drive bays equipped with hot-swappable 10TB 7200 rpm SATA III 3.5" hard drives, the 80TB array has a maximum data throughput of 2800 MB/s. Its hardware-based controller supports RAID 0, 1, 1E, 5, 6, 10, 50, and 60 configurations, and the fan-cooled drives are pre-configured for RAID 5. Connectivity to your host system is established using a 40 Gb/s Thunderbolt 3 port that also provides up to 85W of charging power, while a second Thunderbolt 3 port may be used for daisy chaining and supports up to 15W of charging power. If your system doesn't support Thunderbolt 3, both ports are backward compatible with 10 Gb/s USB 3.2 Gen 2. There is also a DisplayPort 1.4 connector that supports 8K displays for large and highly detailed projects. The drives come pre-formatted for macOS 10.14 or later, but may be reformatted for Windows 10.
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Key Features
- 8 x 10TB 7200 rpm SATA III 3.5" HDDs
- 8 x 3.5" SATA III 6 Gb/s Drive Bays
- 2 x Thunderbolt 3 | 1 x DisplayPort 1.4
- Supports RAID 0, 1, 1E, 5, 6, {R68}
Designed for creative professionals, the Pegasus32 R8 80TB 8-Bay Thunderbolt 3 RAID Array from Promise Technology delivers the speed, capacity, and protection needed for large projects and backups. Featuring eight drive bays equipped with hot-swappable 10TB 7200 rpm SATA III 3.5" hard drives, the 80TB array has a maximum data throughput of 2800 MB/s. Its hardware-based controller supports RAID 0, 1, 1E, 5, 6, 10, 50, and 60 configurations, and the fan-cooled drives are pre-configured for RAID 5. Connectivity to your host system is established using a 40 Gb/s Thunderbolt 3 port that also provides up to 85W of charging power, while a second Thunderbolt 3 port may be used for daisy chaining and supports up to 15W of charging power. If your system doesn't support Thunderbolt 3, both ports are backward compatible with 10 Gb/s USB 3.2 Gen 2. There is also a DisplayPort 1.4 connector that supports 8K displays for large and highly detailed projects. The drives come pre-formatted for macOS 10.14 or later, but may be reformatted for Windows 10.
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Promise Technology R8 External HDD Overview
Thunderbolt 3
Thunderbolt 3 is a hardware interface that utilizes the reversible USB-C connector. Doubling the speed of its predecessor, Thunderbolt 3 features a maximum throughput of 40 Gb/s when used with compatible devices. The connector also transmits data via USB 3.2 Gen 2 (3.1 Gen 2/3.1) at up to 10 Gb/s, and dual-bandwidth DisplayPort 1.2 allows you to connect up to two 4K displays simultaneously. Additionally, you can daisy chain up to six devices from a single Thunderbolt 3 port.
USB 3.2 Gen 2
Doubling the speed of its predecessor, USB 3.2 Gen 2 features a maximum throughput of 10 Gb/s when used with compatible devices.
ChronoSync
The Pegasus32 RAID array comes bundled with ChronoSync Pegasus Edition, which allows you to backup your data, clone hard drives, sync files between devices, and offers redundant cloud storage.
Promise Technology R8 External HDD Specs
Key Specs
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Drives
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General
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Networking
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Software
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Security
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Electrical
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Physical
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Packaging Info
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Promise Technology R8 External HDD Reviews
Never Again
By Mark
Rated 1 out of 5
Date: 2026-02-19
Done with dead RAID's and done with the run around.
My second Promise HD
By Arthur
Rated 5 out of 5
Date: 2020-06-09
My first one was excellent; then I bought a larger one. Both work as advertised and fast.
See any errors on this page?
What is the read speed of the individual drives ...
What is the read speed of the individual drives typically installed in the Pegasus32?
Promise Technology has not provided a spec for the individual read and write speeds of the drives which come included with the Pegasus32 R8. They are 7200 RPM hard drives.
Date published: 2023-05-23
can the R8 be the last device in a Thunderbolt 3 ...
can the R8 be the last device in a Thunderbolt 3 chain?
The Promise Technology Pegasus32 R8 64TB 8-Bay Thunderbolt 3 / USB 3.2 Gen 2 RAID Array (8 x 8TB) BH #PRP32R8H64 can be at the end of a daisy chain.
Date published: 2023-07-10
What type/brand of drive is installed in the ...
What type/brand of drive is installed in the Pegasus32?
Promise Technology has not provided information on the brand of drives installed within the Pegasus32 R8. They are 3.5" 7200 rpm SATA HDDs.
Date published: 2024-06-03
Will this unit work with the new M2 Ultra chip in ...
Will this unit work with the new M2 Ultra chip in the 2023 Mac Studio?
The Promise Technology Pegasus32 R8 64TB 8-Bay Thunderbolt 3 / USB 3.2 Gen 2 RAID Array (8 x 8TB) BH #PRP32R8H64 is compatible with a Mac M2 chip.
Date published: 2023-06-16
Promise says new models have been redesigned to ...
Promise says new models have been redesigned to natively work with (and get the max benefit from) the M1 chip macs. Does that apply to this model?
Yes, this model will be compatible with M1 chips when using the latest drivers.
Date published: 2022-08-28
Can it be connected via a thunderbolt 4 port on a ...
Can it be connected via a thunderbolt 4 port on a PC?
Yes, you can use the Promise Technology Pegasus32 R8 32TB 8-Bay Thunderbolt 3 RAID Array (8 x 4TB) via a Thunderbolt 4 as well.
Date published: 2026-01-04
How much usable space does this have if in Raid ...
How much usable space does this have if in Raid 6?
With the Promise Technology Pegasus32 R8 32TB 8-Bay configured to RAID 6, you will have about 24TB of usable space.
Date published: 2023-01-26
Will it work with window?
Will it work with window?
Yes, the Promise Technology Pegasus32 R8 64TB 8-Bay Thunderbolt 3 / USB 3.2 Gen 2 RAID Array (8 x 8TB) is compatible with Windows.
Date published: 2023-11-12