SIHOO Doro C300 Pro vs Herman Miller Sayl

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

SIHOO

SIHOO Doro C300 Pro

$789.99 – $839.99

Herman Miller

Herman Miller Sayl

$935 – $1,580

9 years

longer warranty on Herman Miller Sayl than SIHOO Doro C300 Pro (official terms)

Differences at a glance

SIHOO Doro C300 ProHerman Miller Sayl

Price: $789.99 – $839.99$935 – $1,580
Seat height: 46–56.7 cm16–20.5 in standard; 15–19 in low; 16.5–22 in extended
Seat depth: 16.81–17.76 in (≈ 42.7-45.1 cm)16.5 in fixed; 16–18 in adjustable
Load capacity: 330 lb (≈ 150 kg)350 lb (159 kg)
Recline: Maximum recline angle of 135°Harmonic Tilt; Tilt Limiter standard, Tilt Limiter with Seat Angle optional
Arms: 6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)Options: No Arms, Fixed Arms, Height Adjustable Arms, Fully Adjustable 4D Arms
Lumbar support: Lumbar support automatically conforms to your spine (BM Tracking System)PostureFit Sacral Support Standard; Lumbar Support Optional
Warranty: 3 years12-year, 3-shift

Which is cheaper, the SIHOO Doro C300 Pro or the Herman Miller Sayl?

The SIHOO Doro C300 Pro is cheaper to start: $789.99 versus $935 for the Herman Miller Sayl at the brand stores (Oct 2026).

Which has a higher weight capacity?

The Herman Miller Sayl, rated for 350 lb versus 330 lb for the SIHOO Doro C300 Pro.