Secretlab ATLAS vs SIHOO Doro C300 Ultra V2
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
- Secretlab ATLAS product page (US) — page data ↗Checked Oct 17, 2026
- Sihoo Doro C300 Ultra V2 | Ergonomic Office Chair – Official US Sihoo Store ↗Checked Oct 13, 2026
Secretlab ATLASSIHOO Doro C300 Ultra V2
- Price
- $499 – $719$679.99 – $689.99
- Load capacity
- 265 lb330 lb (≈ 150 kg)
- Recline
- 120°Recline Angles 105°, 120°, 135°
- Arms
- 3D8D Bionic Armrests (up, down, forward, back, rotate, or tilt)
- Headrest
- magnetic head pillow includedUltra-wide 3D headrest, adjusts in three directions
- Lumbar support
- integrated RE-CURVE backrest (no separate lumbar adjustment)Domino™ Sacral-Lumbar Support 2.0: moves up or down, 3 support levels
- Warranty
- up to 5 year3 years (covers manufacturing defects)
Questions
Which is cheaper, the Secretlab ATLAS or the SIHOO Doro C300 Ultra V2?
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 Secretlab ATLAS as standard and the SIHOO Doro C300 Ultra V2 as standard.
Secretlab ATLAS: specs, reviews, where to buy →SIHOO Doro C300 Ultra V2: specs, reviews, where to buy →
