Secretlab ATLAS vs SIHOO B300 Pro
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 B300 Pro (official terms)
Differences at a glance
Sources
- Secretlab ATLAS product page (US) — page data ↗Checked Oct 17, 2026
- Sihoo B300 Pro Ergonomic Office Chair | 4D Lumbar Support – Official US Sihoo Store ↗Checked Oct 9, 2026
Secretlab ATLASSIHOO B300 Pro
- Price
- $499 – $719$329.99 – $379.99
- Load capacity
- 265 lb330 lb (≈ 150 kg)
- Recline
- 120°Three lockable recline angles: 105°, 120°, 135°
- Arms
- 3D6D All-Around Armrests (rotate, adjust, flip up)
- Headrest
- magnetic head pillow included3D Ultra-Wide Headrest
- Lumbar support
- integrated RE-CURVE backrest (no separate lumbar adjustment)4D MicroFit Lumbar Support: 0.8" depth and 2" height adjustment
- Warranty
- up to 5 year3-Year Free Warranty
Questions
Which is cheaper, the Secretlab ATLAS or the SIHOO B300 Pro?
The SIHOO B300 Pro is cheaper to start: $329.99 versus $499 for the Secretlab ATLAS at the brand stores (Oct 2026).
Which has a higher weight capacity?
The SIHOO B300 Pro, rated for 330 lb versus 265 lb for the Secretlab ATLAS.
Which has a headrest?
Both: the Secretlab ATLAS as standard and the SIHOO B300 Pro as standard.








