Cooler Master ERGO L vs SIHOO M57

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

Cooler Master

Cooler Master ERGO L

$399.99

SIHOO

SIHOO M57

$319.99

1 years

longer warranty on SIHOO M57 than Cooler Master ERGO L (official terms)

Differences at a glance

Cooler Master ERGO LSIHOO M57

Price: $399.99$319.99
Seat height: 48–56.5 cm46–55 cm (≈ 18.1-21.7 in)
Seat depth: 45–49 cm18.11 in (≈ 46 cm)
Load capacity: 440 lb330 lb (≈ 150 kg)
Recline: 90–120°Reclines up to 126°
Arms: 2D (lift, forward)3D coordinated armrests (up and down, left and right, forward and backward)
Headrest: adjustable (lift, tilt)Headrest adjusts vertically up to 3.9 inches and rotates 45 degrees
Warranty: 2 years3 years

Which is cheaper, the Cooler Master ERGO L or the SIHOO M57?

The SIHOO M57 is cheaper to start: $319.99 versus $399.99 for the Cooler Master ERGO L at the brand stores (Oct 2026).

Which has a higher weight capacity?

The Cooler Master ERGO L, rated for 440 lb versus 330 lb for the SIHOO M57.

Which has a headrest?

Both: the Cooler Master ERGO L as standard and the SIHOO M57 as standard.