Steelcase Series 1 vs SIHOO B100 Pro

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

Steelcase

Steelcase Series 1

$549 – $750

SIHOO

SIHOO B100 Pro

$259.99 – $299.99

$289.01

lower starting price for SIHOO B100 Pro than Steelcase Series 1 at the brand stores

Differences at a glance

Steelcase Series 1SIHOO B100 Pro

Price: $549 – $750$259.99 – $299.99
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 recline3-position recline up to 135°
Arms: 4D arms (standard), height-adjustable arms or armlessEnlarged 4D flip-up armrests
Headrest: Optional headrest; adjusts 3.25" verticallyWide 3D adjustable headrest
Lumbar support: Adjustable lumbar is standard; fixed lumbar is available (3D Microknit Back only)Responsive lower-back support
Warranty: Limited Lifetime Warranty; 12-year, multi-shift, 24/7 parts and labor3 years

Which is cheaper, the Steelcase Series 1 or the SIHOO B100 Pro?

The SIHOO B100 Pro is cheaper to start: $259.99 versus $549 for the Steelcase Series 1 at the brand stores (Sep 2026).

Which has a headrest?

Both: the Steelcase Series 1 as an option and the SIHOO B100 Pro as standard.