Secretlab ATLAS vs SIHOO M56C
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
$314.01
lower starting price for SIHOO M56C than Secretlab ATLAS at the brand stores
Differences at a glance
Sources
- Secretlab ATLAS product page (US) — page data ↗Checked Oct 17, 2026
- Sihoo M56C Ergonomic Office Chair - Full Back Support with Cotton Seat Cushion – Official US Sihoo Store ↗Checked Oct 13, 2026
Secretlab ATLASSIHOO M56C
- Price
- $499 – $719$184.99
- Load capacity
- 265 lb300 lb (≈ 136 kg)
- Recline
- 120°Maximum tilt angle of 125° (reclining lock with 1 position)
- Arms
- 3DArmrests adjustable up and down
- Headrest
- magnetic head pillow includedHeadrest moves up and down and tilts
- Lumbar support
- integrated RE-CURVE backrest (no separate lumbar adjustment)Ultra-wide dynamic lumbar support: a flexible elastic plate that moves with the backrest (no manual adjustment listed)
- Warranty
- up to 5 year3 years
Questions
Which is cheaper, the Secretlab ATLAS or the SIHOO M56C?
The SIHOO M56C is cheaper to start: $184.99 versus $499 for the Secretlab ATLAS at the brand stores (Oct 2026).
Which has a higher weight capacity?
The SIHOO M56C, rated for 300 lb versus 265 lb for the Secretlab ATLAS.
Which has a headrest?
Both: the Secretlab ATLAS as standard and the SIHOO M56C as standard.
