SIHOO M18 vs Secretlab ATLAS
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
- Sihoo M18 Ergonomic Office Chair – Official US Sihoo Store ↗Checked Sep 29, 2026
- Secretlab ATLAS product page (US) — page data ↗Checked Oct 17, 2026
SIHOO M18Secretlab ATLAS
- Price
- $289.99 – $299.99$499 – $719
- Load capacity
- 330 lb (≈ 150 kg)265 lb
- Recline
- Maximum 126° recline angle120°
- Arms
- Adjustable armrests (Up and down)3D
- Headrest
- Headrest moves 3.9" up and down and pivots 45°magnetic head pillow included
- Lumbar support
- Lumbar support adjusts vertically and horizontallyintegrated RE-CURVE backrest (no separate lumbar adjustment)
- Warranty
- 3 yearsup to 5 year
Questions
Which is cheaper, the SIHOO M18 or the Secretlab ATLAS?
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 SIHOO M18 as standard and the Secretlab ATLAS as standard.
Swap in a similar chair
Compare SIHOO M18 with
Compare Secretlab ATLAS with
More comparisons
- SIHOO M18 vs Herman Miller Aeron Arms: Adjustable armrests on SIHOO M18; Arm height 7.5–11.5 in on Herman Miller Aeron.
- SIHOO M18 vs Ticova Ergonomic Office Chair Ticova and SIHOO M18 both offer mesh backs and cushioned seats.
- SIHOO M18 vs Branch Ergonomic Chair Arms: Adjustable armrests on SIHOO M18; 3D removable armrests on Branch Ergonomic Chair.
- SIHOO M18 vs FlexiSpot OC3 Arms: Adjustable armrests on SIHOO M18; 2D on FlexiSpot OC3.






