SIHOO M18 vs SIHOO B100 Pro
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
$30
lower starting price for SIHOO B100 Pro than SIHOO M18 at the brand stores
Differences at a glance
Sources
- Sihoo M18 Ergonomic Office Chair – Official US Sihoo Store ↗Checked Sep 29, 2026
- Sihoo B100 Pro Ergonomic Office Chair With Flip-Up Armrest – Official US Sihoo Store ↗Checked Oct 9, 2026
SIHOO M18SIHOO B100 Pro
- Price
- $289.99 – $299.99$259.99 – $299.99
- Load capacity
- 330 lb (≈ 150 kg)330 lb (≈ 150 kg)
- Recline
- Maximum 126° recline angle3-position recline up to 135°
- Arms
- Adjustable armrests (Up and down)Enlarged 4D flip-up armrests
- Headrest
- Headrest moves 3.9" up and down and pivots 45°Wide 3D adjustable headrest
- Lumbar support
- Lumbar support adjusts vertically and horizontallyResponsive lower-back support
- Warranty
- 3 years3 years
Questions
Which is cheaper, the SIHOO M18 or the SIHOO B100 Pro?
The SIHOO B100 Pro is cheaper to start: $259.99 versus $289.99 for the SIHOO M18 at the brand stores (Oct 2026).
Which has a higher weight capacity?
Neither. Both are rated for 330 lb in their official specifications.
Which has a headrest?
Both: the SIHOO M18 as standard and the SIHOO B100 Pro as standard.
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- SIHOO M18 vs FlexiSpot OC3 Arms: Adjustable armrests on SIHOO M18; 2D on FlexiSpot OC3.
- SIHOO B100 Pro vs FlexiSpot OC3 Headrest: Wide 3D adjustable headrest on SIHOO B100 Pro; 2D headrest on FlexiSpot OC3.
- SIHOO B100 Pro vs HBADA E3 Air (2026 Edition) Arms: Enlarged 4D flip-up armrests on SIHOO B100 Pro; Armrest Height: 68.5cm–84cm on HBADA E3 Air (2026 Edition).