FlexiSpot Standard Ergo Office Chair (C4) vs SIHOO M56C
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
FlexiSpot Standard Ergo Office Chair (C4)SIHOO M56C
- Price
- $219.99 – $239.99$184.99
- Seat depth
- 19.49 in17.1 in (≈ 43.4 cm)
- Load capacity
- 300 lb300 lb (≈ 136 kg)
- Recline
- 90–135°Maximum tilt angle of 125° (reclining lock with 1 position)
- Arms
- 3DArmrests adjustable up and down
- Headrest
- 3DHeadrest moves up and down and tilts
- Lumbar support
- fixedUltra-wide dynamic lumbar support: a flexible elastic plate that moves with the backrest (no manual adjustment listed)
- Warranty
- 5 years3 years
Questions
Which is cheaper, the FlexiSpot Standard Ergo Office Chair (C4) or the SIHOO M56C?
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 FlexiSpot Standard Ergo Office Chair (C4) as standard and the SIHOO M56C as standard.
FlexiSpot Standard Ergo Office Chair (C4): specs, reviews, where to buy →SIHOO M56C: specs, reviews, where to buy →
