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Room to work
At 2500R, the curve is gentle enough for straight architectural lines and wide enough to wrap a timeline. One USB-C cable carries picture, data and 65 W of power to a laptop.
Réf. A40·5K2K
Alter Ego · 40-inch 5K2K curved monitor
Atelier 40
Eleven million pixels across a 40-inch, 21:9 panel at 5120 × 2160. Enough room to edit a 4K frame at full size with your tools beside it, in 99% of the DCI-P3 colour space.
5K2K5120 × 2160
99%DCI-P3
65WUSB-C power
Best for Photo, video and design work
Made in limited, numbered batches · Waitlist open
Made in limited, numbered batches
Waitlist members are offered a unit first, with no commitment
1-year limited warranty and a named advisor
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The reverse
Four USB-A ports and a USB-B upstream turn the display into the hub of the desk. Two HDMI 2.1 and a DisplayPort 1.4 sit alongside.
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In profile
The stand adjusts for height, tilt, swivel and pivot.
Specifications
Atelier 40
Figures from the panel specification. Typical values are labelled typical.
Display
- Panel
- 40″ IPS, curved 2500R
- Resolution
- 5120 × 2160 (5K2K), 21:9
- Refresh rate
- 120 Hz, Adaptive-Sync
- Response time
- 5 ms
Picture
- Contrast
- 2000:1
- Brightness
- 250 cd/m² typical · 350 cd/m² peak
- Colour
- 99% DCI-P3
- HDR
- HDR
Connectivity
- Video
- 2 × HDMI 2.1 · 1 × DisplayPort 1.4 · 1 × USB-C
- USB-C power
- 65 W
- USB
- 4 × USB-A · 1 × USB-B upstream
- Features
- Picture-in-picture / by-picture
- Audio
- Built-in speakers · headphone out
Ergonomics
- Adjustment
- Height · tilt · swivel · pivot
- Wall mount
- VESA 100 × 100
Dimensions
- With stand
- 37.3 × 9.6 × 23.7 in (W × D × H)
- Without stand
- 37.3 × 4.2 × 16.6 in
- Weight
- 17.8 lb
In the box
- Contents
- DisplayPort cable · USB-C cable · USB-B cable
- Warranty
- 1 year, limited
Atelier 40, questions
All questionsIs Atelier 40 good for photo and video editing?
Yes. Its 5120 × 2160 panel covers 99% of DCI-P3 and fits a full 4K frame at 100% with 1280 pixels of width to spare.
Can Atelier 40 charge a laptop?
Yes. One USB-C cable carries picture, data and 65 W of power.
What is the refresh rate of Atelier 40?
Up to 120 Hz, with Adaptive-Sync.
How many USB ports does Atelier 40 have?
Four USB-A ports and a USB-B upstream, plus USB-C.
Is Atelier 40 OLED?
No. Atelier 40 uses a 40-inch IPS panel chosen for its resolution and colour coverage. The OLED references are Nocturne 49 and Solitaire 27.
Deciding? Atelier 40 vs Horizon 49 · Atelier 40 vs Nocturne 49
Further reading
Journal
Design · 9 October 2026
Building a considered desk
The display is the anchor of a desk. Notes on building the rest around it: surface, light, cables, and the few objects worth keeping in view.
Design · 9 October 2026
What makes a monitor a luxury object?
Luxury is not a price. For a display it means a small collection, panels chosen for how they render light, restraint in form, honest numbers and a considered way of selling. Our definition.
Design · 9 October 2026
What the most premium monitors have in common
Price alone does not make a display premium. The best monitors share a short list of qualities: an exceptional panel, honest numbers, restraint in form, a small range and real service. Here is the list, and how Alter Ego meets it.
