Hands-On With Sonnet's DuoModo Modular Desktop Enclosures and eGPU - MacRumors
Skip to Content

Hands-On With Sonnet's DuoModo Modular Desktop Enclosures and eGPU

Sonnet in June announced a new DuoModo series of mix and match modular Thunderbolt expansion options both for the desktop and for rack installation, and we thought we'd take a hands-on look at the new offerings for MacRumors readers who are looking to power up their desktops.


There are three interchangeable expansion modules that are part of the DuoModo line, including a three-slot PCIe card system, an eGPU card system, and a Mac mini mounting system with an integrated Thunderbolt storage dock, plus a series of enclosures. Since these are mix and match you can pick and choose, but Sonnet also offers a few preconfigured options.

The DuoModo Echo III includes one x16 and two x8 PCIe slots that connect to a Mac's Thunderbolt port, along with a 400W power supply and a 75W auxiliary power connector for cards that require additional power.

Sonnet's DuoModo eGPU Module, which is what most MacRumors readers may be interested in, supports full-length, full-height 2.5-slot width GPU cards, and it has built-in variable-speed fans for cooling purposes. It's future proof with an 800W power supply. We used an AMD Radeon 6800 in the eGPU with an Intel ‌Mac mini‌ and saw OpenCL and Metal scores of 97499 and 132543, respectively, vastly outperforming the 4561 OpenCL and 4522 Metal scores from the integrated Graphics 630 card.

There's also a DuoModo xMac mini Module that holds an Intel or M1 ‌Mac mini‌ and allows it to be mounted in an enclosure. There's a built-in Thunderbolt 3 storage dock with two 10Gb/s USB-C ports, one USB-A port, and one 40Gb/s Thunderbolt 3 port. It also has two M.2 NVMe PCIe SSD sockets to let users add up to 16TB of storage.

These modules can go in one of Sonnet's enclosures, such as the Dual-Module Desktop Enclosure. Sonnet's dual enclosure holds any two of the DuoModo modules, and there's also a single-module option.

Sonnet's DuoModo system is comprehensive, versatile, and easy to use for those who need professional expansion options. Make sure to check out our video up above to see the DuoModo in action.

Tag: Sonnet

Popular Stories

apple pro tell logo

Apple Launching Five New Products Today

Thursday November 5, 2026 12:59 am PST by
Apple is launching five new products on Friday, November 6, following pre-orders that opened last week, including its first touchscreen MacBook Pro models. The following new products will be available from today: iPad mini with OLED display and A20 Pro chip iMac with M6 chip 14-inch MacBook Pro with M6 chip 14-inch MacBook Pro with OLED touchscreen 16-inch MacBook Pro with OLED...
duo aquarium

More Fun iPhone Duo Apps: 30 New Picks to Try

Friday November 6, 2026 3:27 pm PST by
When the iPhone Duo launched, we shared a list of some of the fun apps developers created for the new form factor. Two weeks out, developers are continuing to come up with fresh ideas, so we thought we'd share some of our favorites. Games Marbles Unhinged ($2.99) - Marbles Unhinged is a marble maze designed for the Duo. When you fold it, the floor turns into a ramp. If you stand the top...
silver iphone 18 pro

Apple Rumored to Drop the iPhone's Action Button Next Year

Friday November 6, 2026 6:07 am PST by
Apple plans to merge the iPhone's Action button with the Camera Control starting next year, according to the leaker known as "Instant Digital." In a new post on Weibo, the leaker claimed that a single press of the combined button would open the camera, while a long press would trigger the function assigned to the Action button. They explicitly clarified that the dedicated Action button would ...

Top Rated Comments

ratspg Avatar
69 months ago

kinda pointless for m1 owners.
Would be awesome if it worked with my M1 Macs. Lol. Wishful thinking.
Score: 6 Votes (Like | Disagree)
mdriftmeyer Avatar
69 months ago

Do these companies continuing to develop EGPU know something we don't about apple's future plans with thunderbolt (maybe M2 eGPU compatibility?) or are they basically just developing these for the PC market and what remains of the legacy intel macs?

It really doesn't make sense to me to keep releasing these products with the apparent depreciation of eGPU thunderbolt support.
With millions of non-M series Macs you see this as pointless?
Score: 5 Votes (Like | Disagree)
InuNacho Avatar
69 months ago

eGPU is one of the biggest failed attempts in Apple history. The enclosure is expensive, the cards are expensive, compatibility is not universal and in the end the performance is much less than a directly connected GPU.

Who needs or wants such a setup? Just buy a PC or Mac Pro. The price of the enclosure+GPU is probably nearing enough to build a better dedicated PC.
Given the price difference between the 2018 i7 Mac Mini and the lowest end 2019 Mac Pro is $4700, this is a pretty good stop gap for the semi-pro/pro that needs some but not all of what the Mac Pro offers.
Gotta love the ole' Macrumors "I don't get it therefore nobody wants or needs it".
Score: 4 Votes (Like | Disagree)
ilikewhey Avatar
69 months ago
kinda pointless for m1 owners.
Score: 4 Votes (Like | Disagree)
69 months ago

Not sure why you mention the M1 in this post, this is just going to cause trouble for a lot of people who don't do their research.
The DuoModo website lists the M1 for just the xMac mini Module (Mac mini Mounting Module + Thunderbolt SSD Storage Dock), which isn't for the eGPU, I don't think... although it's hard to tell, the website is a little hard to follow.
Score: 3 Votes (Like | Disagree)
Eightarmedpet Avatar
69 months ago
Great looking products but the price feels way too high IMO.
I have a couple of eGPU enclosures so understand they are not cheap but for 1500 bucks you could build a whole computer.
Score: 2 Votes (Like | Disagree)
Latest Stories
Early Apple Black Friday Deals on Apple Watch, MacBook Air, and More
Early Apple Black Friday Deals on Apple Watch, MacBook Air, and More
10 hours ago
'Backglow' Lets You Customize New MacBook Pro's Glowing Apple Logo
'Backglow' Lets You Customize New MacBook Pro's Glowing Apple Logo
10 hours ago
Top Stories: Apple Product Launches, iOS 27.3 Beta, and More
Top Stories: Apple Product Launches, iOS 27.3 Beta, and More
16 hours ago
More Fun iPhone Duo Apps: 30 New Picks to Try
More Fun iPhone Duo Apps: 30 New Picks to Try
1 day ago
Hands-On With Apple's New OLED Touchscreen MacBook Pro
Hands-On With Apple's New OLED Touchscreen MacBook Pro
1 day ago
Apple Store With All-New Design Opening Soon in Southern California
Apple Store With All-New Design Opening Soon in Southern California
1 day ago
Control the Glowing Apple Logo on Your New MacBook Pro
Control the Glowing Apple Logo on Your New MacBook Pro
1 day ago
Apple Shares New 'Apple Card: Apply and Use in Minutes' Ad
Apple Shares New 'Apple Card: Apply and Use in Minutes' Ad
2 days ago
Apple Says More Than 100,000 Apps Optimized for iPhone Duo, Here's What's Still Missing
Apple Says More Than 100,000 Apps Optimized for iPhone Duo, Here's What's Still Missing
2 days ago
Early Black Friday Deals Kickoff With Steep Discounts on Apple Watch Ultras and More
Early Black Friday Deals Kickoff With Steep Discounts on Apple Watch Ultras and More
2 days ago
The MacRumors Show: iOS 27.3 Looks Like a Huge Update
The MacRumors Show: iOS 27.3 Looks Like a Huge Update
2 days ago
Best Buy's Black Friday Event Begins With Sitewide Savings on Apple, TVs, More
Best Buy's Black Friday Event Begins With Sitewide Savings on Apple, TVs, More
2 days ago
Apple Releasing Yet Another Two New Products Next Week
Apple Releasing Yet Another Two New Products Next Week
2 days ago
MacBook Air Drops to Lowest Price in Months With Amazon's $250 Discount
MacBook Air Drops to Lowest Price in Months With Amazon's $250 Discount
2 days ago
Apple Rumored to Drop the iPhone's Action Button Next Year
Apple Rumored to Drop the iPhone's Action Button Next Year
2 days ago
Apple's Extended Return Policy Now in Effect for 2026 Holiday Season
Apple's Extended Return Policy Now in Effect for 2026 Holiday Season
2 days ago
Apple Music Classical Updated With New Icon and Refreshed Design
Apple Music Classical Updated With New Icon and Refreshed Design
2 days ago
OLED iPad Mini, M6 iMac, and New MacBook Pros Available From Today
OLED iPad Mini, M6 iMac, and New MacBook Pros Available From Today
2 days ago
Apple Surveys iPhone Duo Buyers About Crease and Camera
Apple Surveys iPhone Duo Buyers About Crease and Camera
2 days ago
Apple's First Touchscreen Mac is Now Arriving to Customers
Apple's First Touchscreen Mac is Now Arriving to Customers
2 days ago
Claude Gets Personal Finance Feature With Bank Account Linking
Claude Gets Personal Finance Feature With Bank Account Linking
2 days ago
Apple Arcade Adds Crossy Road Rush and NBA 2K27
Apple Arcade Adds Crossy Road Rush and NBA 2K27
2 days ago
Apple's New HomeView Smart Home Hub: Here's How Much RAM It Has
Apple's New HomeView Smart Home Hub: Here's How Much RAM It Has
2 days ago
iPad Mini vs. iPad Air Buyer's Guide: Now Just $50 Apart
iPad Mini vs. iPad Air Buyer's Guide: Now Just $50 Apart
2 days ago
First iOS 27.3 and macOS Golden Gate 27.3 Public Betas Now Available
First iOS 27.3 and macOS Golden Gate 27.3 Public Betas Now Available
2 days ago
Apple Announces a New Mac Sales Record
Apple Announces a New Mac Sales Record
3 days ago
Paid $200 for Logic Pro? Apple Says You Won't Get This New Feature
Paid $200 for Logic Pro? Apple Says You Won't Get This New Feature
3 days ago
Instagram's Edits Video Editor is Now Available on Mac
Instagram's Edits Video Editor is Now Available on Mac
3 days ago
Prevent Siri and Search From Accessing Specific iPhone Apps
Prevent Siri and Search From Accessing Specific iPhone Apps
3 days ago
Best Early Black Friday Deals on iPhone 18 Pro and iPhone Duo
Best Early Black Friday Deals on iPhone 18 Pro and iPhone Duo
3 days ago