Secretlab ATLAS vs SIHOO Doro S300

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

Secretlab

Secretlab ATLAS

$499 – $719

SIHOO

SIHOO Doro S300

$999.99

$500.99

lower starting price for Secretlab ATLAS than SIHOO Doro S300 at the brand stores

Differences at a glance

Secretlab ATLASSIHOO Doro S300

Price: $499 – $719$999.99
Load capacity: 265 lb330 lb (≈ 150 kg)
Recline: 120°Recline Angles: 100°, 110°, 130°
Arms: 3D6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)
Headrest: magnetic head pillow includedSoft, integrated headrest; upper backrest adjusts in 5 levels
Lumbar support: integrated RE-CURVE backrest (no separate lumbar adjustment)Dual dynamic lumbar support; angle 90°-105° fine-tuned with the gas lift
Warranty: up to 5 year3 years

Which is cheaper, the Secretlab ATLAS or the SIHOO Doro S300?

The Secretlab ATLAS is cheaper to start: $499 versus $999.99 for the SIHOO Doro S300 at the brand stores (Oct 2026).

Which has a higher weight capacity?

The SIHOO Doro S300, rated for 330 lb versus 265 lb for the Secretlab ATLAS.

Which has a headrest?

Both: the Secretlab ATLAS as standard and the SIHOO Doro S300 as standard.