Herman Miller Sayl vs SIHOO M57

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

Herman Miller

Herman Miller Sayl

$935 – $1,580

SIHOO

SIHOO M57

$319.99

9 years

longer warranty on Herman Miller Sayl than SIHOO M57 (official terms)

Differences at a glance

Herman Miller SaylSIHOO M57

Price: $935 – $1,580$319.99
Seat height: 16–20.5 in standard; 15–19 in low; 16.5–22 in extended46–55 cm (≈ 18.1-21.7 in)
Seat depth: 16.5 in fixed; 16–18 in adjustable18.11 in (≈ 46 cm)
Load capacity: 350 lb (159 kg)330 lb (≈ 150 kg)
Recline: Harmonic Tilt; Tilt Limiter standard, Tilt Limiter with Seat Angle optionalReclines up to 126°
Arms: Options: No Arms, Fixed Arms, Height Adjustable Arms, Fully Adjustable 4D Arms3D coordinated armrests (up and down, left and right, forward and backward)
Lumbar support: PostureFit Sacral Support Standard; Lumbar Support OptionalDual-adjustable lumbar support (vertical and horizontal)
Warranty: 12-year, 3-shift3 years

Which is cheaper, the Herman Miller Sayl or the SIHOO M57?

The SIHOO M57 is cheaper to start: $319.99 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 M57.