Steelcase Series 1 vs SIHOO Doro C300 Pro
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
$240.99
lower starting price for Steelcase Series 1 than SIHOO Doro C300 Pro at the brand stores
Differences at a glance
Sources
- Understanding and Specifying Steelcase Series 1 Work Chairs (Seating Specification Guide, February 2024) ↗Checked Sep 29, 2026
- Sihoo Doro C300 Pro Ergonomic Office Chair Fully Loaded Comfort – EU Sihoo official Shop ↗Checked Oct 8, 2026
- Sihoo Doro C300 Pro Ergonomic Office Chair – Official US Sihoo Store ↗Checked Oct 8, 2026
- Steelcase Series 1 cut sheet (Item #25-0000121 02/25) ↗Checked Sep 29, 2026
- Doro C300 Pro Ergonomic Office Chair | Adjustable Lumbar, 6D Armrests, Smart Recline – UK Sihoo official Shop ↗Checked Oct 8, 2026
- Steelcase Series 1 product page (steelcase.com) ↗Checked Sep 29, 2026
- US Steelcase Store (price) ↗Checked Sep 29, 2026
Steelcase Series 1SIHOO Doro C300 Pro
- Price
- $549 – $750$789.99 – $839.99
- Seat height
- 16.5–21.5 in (41.9-54.6 cm); 14.75–17.75 in (37.5-45.1 cm); 17.25–22 in (43.8-55.9 cm)46–56.7 cm
- Seat depth
- 15.5"D to 17.75"D (functional seat depth)16.81–17.76 in (≈ 42.7-45.1 cm)
- Load capacity
- 400 lb (181.4 kg); 300 lb (136.1 kg)330 lb (≈ 150 kg)
- Recline
- Weight-activated synchro tilt; comfort dial with upright back lock, boost setting and weight-activated full reclineMaximum recline angle of 135°
- Arms
- 4D arms (standard), height-adjustable arms or armless6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)
- Headrest
- Optional headrest; adjusts 3.25" verticallyHeadrest adjusts up and down, back and forth, or rotates
- Lumbar support
- Adjustable lumbar is standard; fixed lumbar is available (3D Microknit Back only)Lumbar support automatically conforms to your spine (BM Tracking System)
- Warranty
- Limited Lifetime Warranty; 12-year, multi-shift, 24/7 parts and labor3 years
Questions
Which is cheaper, the Steelcase Series 1 or the SIHOO Doro C300 Pro?
The Steelcase Series 1 is cheaper to start: $549 versus $789.99 for the SIHOO Doro C300 Pro at the brand stores (Sep 2026).
Which has a headrest?
Both: the Steelcase Series 1 as an option and the SIHOO Doro C300 Pro as standard.
Steelcase Series 1: specs, reviews, where to buy →SIHOO Doro C300 Pro: specs, reviews, where to buy →
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More comparisons
- Steelcase Series 1 vs SIHOO Doro C300 Headrest: Optional headrest on Steelcase Series 1; 3D Mechanical Headrest on SIHOO Doro C300.
- SIHOO Doro C300 Pro vs Steelcase Gesture Arms: 6D coordinated armrests on SIHOO Doro C300 Pro; Width 10.25–22.5 in between arms on Steelcase Gesture.
- SIHOO Doro C300 Pro vs HBADA X7 Air SIHOO Doro C300 Pro lists at $789.99 – $839.99; HBADA X7 Air at $1,399 (official stores).
- SIHOO Doro C300 Pro vs HBADA E3 Pro (2026 Edition) Arms: 6D coordinated armrests on SIHOO Doro C300 Pro; Armrest Height: 28.3"–34.4" on HBADA E3 Pro (2026 Edition).
- SIHOO Doro C300 Pro vs Autonomous ErgoChair Pro Arms: 6D coordinated armrests on SIHOO Doro C300 Pro; 3D armrests on Autonomous ErgoChair Pro.

