Secretlab ATLAS vs SIHOO M18
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
$209.01
lower starting price for SIHOO M18 than Secretlab ATLAS at the brand stores
Differences at a glance
Sources
- Secretlab ATLAS product page (US) — page data ↗Checked Oct 17, 2026
- Sihoo M18 Ergonomic Office Chair – Official US Sihoo Store ↗Checked Sep 29, 2026
Secretlab ATLASSIHOO M18
- Price
- $499 – $719$289.99 – $299.99
- Load capacity
- 265 lb330 lb (≈ 150 kg)
- Recline
- 120°Maximum 126° recline angle
- Arms
- 3DAdjustable armrests (Up and down)
- Headrest
- magnetic head pillow includedHeadrest moves 3.9" up and down and pivots 45°
- Lumbar support
- integrated RE-CURVE backrest (no separate lumbar adjustment)Lumbar support adjusts vertically and horizontally
- Warranty
- up to 5 year3 years
Questions
Which is cheaper, the Secretlab ATLAS or the SIHOO M18?
The SIHOO M18 is cheaper to start: $289.99 versus $499 for the Secretlab ATLAS at the brand stores (Oct 2026).
Which has a higher weight capacity?
The SIHOO M18, rated for 330 lb versus 265 lb for the Secretlab ATLAS.
Which has a headrest?
Both: the Secretlab ATLAS as standard and the SIHOO M18 as standard.
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