Nouhaus Ergo3D vs SIHOO Doro S300

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

Nouhaus

Nouhaus Ergo3D

$499.99

SIHOO

SIHOO Doro S300

$999.99

$500

lower starting price for Nouhaus Ergo3D than SIHOO Doro S300 at the brand stores

Differences at a glance

Nouhaus Ergo3DSIHOO Doro S300

Price: $499.99$999.99
Load capacity: up to 330lbs330 lb (≈ 150 kg)
Recline: Up to 135° of tilt; lock at three different anglesRecline Angles: 100°, 110°, 130°
Arms: 4D armrests: height, forward & backward movement, side-to-side rotation, and left & right pivoting6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)
Headrest: Adjustable Headrest (up and down, angles up and down)Soft, integrated headrest; upper backrest adjusts in 5 levels
Lumbar support: Dynamic Lumbar SupportDual dynamic lumbar support; angle 90°-105° fine-tuned with the gas lift

From 11 Nouhaus Ergo3D and 0 SIHOO Doro S300 user reviews, most mentioned first. Green is liked, orange is a caution.

Which is cheaper, the Nouhaus Ergo3D or the SIHOO Doro S300?

The Nouhaus Ergo3D is cheaper to start: $499.99 versus $999.99 for the SIHOO Doro S300 at the brand stores (Sep 2026).

Which has a headrest?

Both: the Nouhaus Ergo3D as standard and the SIHOO Doro S300 as standard.

What do owners mention most?

Adjustability for the Nouhaus Ergo3D, and breathability for the SIHOO Doro S300, based on review summaries.