SIHOO Doro C300 Ultra V2 vs Secretlab ATLAS
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
2 years
longer warranty on Secretlab ATLAS than SIHOO Doro C300 Ultra V2 (official terms)
Differences at a glance
Sources
- Sihoo Doro C300 Ultra V2 | Ergonomic Office Chair – Official US Sihoo Store ↗Checked Oct 13, 2026
- Secretlab ATLAS product page (US) — page data ↗Checked Oct 17, 2026
SIHOO Doro C300 Ultra V2Secretlab ATLAS
- Price
- $679.99 – $689.99$499 – $719
- Load capacity
- 330 lb (≈ 150 kg)265 lb
- Recline
- Recline Angles 105°, 120°, 135°120°
- Arms
- 8D Bionic Armrests (up, down, forward, back, rotate, or tilt)3D
- Headrest
- Ultra-wide 3D headrest, adjusts in three directionsmagnetic head pillow included
- Lumbar support
- Domino™ Sacral-Lumbar Support 2.0: moves up or down, 3 support levelsintegrated RE-CURVE backrest (no separate lumbar adjustment)
- Warranty
- 3 years (covers manufacturing defects)up to 5 year
Questions
Which is cheaper, the SIHOO Doro C300 Ultra V2 or the Secretlab ATLAS?
The Secretlab ATLAS is cheaper to start: $499 versus $679.99 for the SIHOO Doro C300 Ultra V2 at the brand stores (Oct 2026).
Which has a higher weight capacity?
The SIHOO Doro C300 Ultra V2, rated for 330 lb versus 265 lb for the Secretlab ATLAS.
Which has a headrest?
Both: the SIHOO Doro C300 Ultra V2 as standard and the Secretlab ATLAS as standard.
SIHOO Doro C300 Ultra V2: specs, reviews, where to buy →Secretlab ATLAS: specs, reviews, where to buy →






