Nouhaus Ergo3D vs SIHOO Doro C300 Pro

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 C300 Pro

$789.99 – $839.99

$290

lower starting price for Nouhaus Ergo3D than SIHOO Doro C300 Pro at the brand stores

Differences at a glance

Nouhaus Ergo3DSIHOO Doro C300 Pro

Price: $499.99$789.99 – $839.99
Load capacity: up to 330lbs330 lb (≈ 150 kg)
Recline: Up to 135° of tilt; lock at three different anglesMaximum recline angle of 135°
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)Headrest adjusts up and down, back and forth, or rotates
Lumbar support: Dynamic Lumbar SupportLumbar support automatically conforms to your spine (BM Tracking System)

Which is cheaper, the Nouhaus Ergo3D or the SIHOO Doro C300 Pro?

The Nouhaus Ergo3D is cheaper to start: $499.99 versus $789.99 for the SIHOO Doro C300 Pro at the brand stores (Sep 2026).

Which has a headrest?

Both: the Nouhaus Ergo3D as standard and the SIHOO Doro C300 Pro as standard.