SIHOO M56C vs FlexiSpot Standard Ergo Office Chair (C4)
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
2 years
longer warranty on FlexiSpot Standard Ergo Office Chair (C4) than SIHOO M56C (official terms)
Differences at a glance
Sources
SIHOO M56CFlexiSpot Standard Ergo Office Chair (C4)
- Price
- $184.99$219.99 – $239.99
- Seat depth
- 17.1 in (≈ 43.4 cm)19.49 in
- Load capacity
- 300 lb (≈ 136 kg)300 lb
- Recline
- Maximum tilt angle of 125° (reclining lock with 1 position)90–135°
- Arms
- Armrests adjustable up and down3D
- Headrest
- Headrest moves up and down and tilts3D
- Lumbar support
- Ultra-wide dynamic lumbar support: a flexible elastic plate that moves with the backrest (no manual adjustment listed)fixed
- Warranty
- 3 years5 years
Questions
Which is cheaper, the SIHOO M56C or the FlexiSpot Standard Ergo Office Chair (C4)?
The SIHOO M56C is cheaper to start: $184.99 versus $219.99 for the FlexiSpot Standard Ergo Office Chair (C4) at the brand stores (Oct 2026).
Which has a higher weight capacity?
Neither. Both are rated for 300 lb in their official specifications.
Which has a headrest?
Both: the SIHOO M56C as standard and the FlexiSpot Standard Ergo Office Chair (C4) as standard.
SIHOO M56C: specs, reviews, where to buy →FlexiSpot Standard Ergo Office Chair (C4): specs, reviews, where to buy →
