Herman Miller Sayl vs X-Chair X3

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

X-Chair

X-Chair X3

$979

75 lb

higher rated load for Herman Miller Sayl than X-Chair X3 (official specs)

Differences at a glance

Herman Miller SaylX-Chair X3

Price: $935 – $1,580$979
Seat height: 16–20.5 in standard; 15–19 in low; 16.5–22 in extended17.69–22 in
Seat depth: 16.5 in fixed; 16–18 in adjustable16.75–19.25 in
Load capacity: 350 lb (159 kg)275 lb (125 kg)
Recline: Harmonic Tilt; Tilt Limiter standard, Tilt Limiter with Seat Angle optionalSciFloat Infinite Recline + Tilt Lock and Tension allows you to recline and lock into position or increase tension in your recline motion for more fluid movement.
Arms: Options: No Arms, Fixed Arms, Height Adjustable Arms, Fully Adjustable 4D Arms4-Dimensional armrests come standard (up, down, side-to-side, front-to-back); option to upgrade to FS 360 rotational armrests; Armrest Height 5.875in - 8.875in
Lumbar support: PostureFit Sacral Support Standard; Lumbar Support OptionalDynamic Variable Lumbar (DVL)® Support; height adjustable backrest raises the DVL®
Warranty: 12-year, 3-shift5 years (all parts and materials); 15 years (non-moving metal components, chair frame)

Which is cheaper, the Herman Miller Sayl or the X-Chair X3?

The Herman Miller Sayl is cheaper to start: $935 versus $979 for the X-Chair X3 at the brand stores (Oct 2026).

Which has a higher weight capacity?

The Herman Miller Sayl, rated for 350 lb versus 275 lb for the X-Chair X3.

What do owners mention most?

Comfort for the Herman Miller Sayl, and comfort for the X-Chair X3, based on review summaries.