Cooler Master ERGO L vs SIHOO M18

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 M18

$289.99 – $299.99

24.2 lb

lighter: SIHOO M18 weighs less than Cooler Master ERGO L (official specs)

Differences at a glance

Cooler Master ERGO LSIHOO M18

Price: $399.99$289.99 – $299.99
Seat height: 48–56.5 cm44–54 cm
Seat depth: 45–49 cm17.91 in (≈ 45.5 cm)
Load capacity: 440 lb330 lb (≈ 150 kg)
Recline: 90–120°Maximum 126° recline angle
Arms: 2D (lift, forward)Adjustable armrests (Up and down)
Headrest: adjustable (lift, tilt)Headrest moves 3.9" up and down and pivots 45°
Warranty: 2 years3 years

Which is cheaper, the Cooler Master ERGO L or the SIHOO M18?

The SIHOO M18 is cheaper to start: $289.99 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 M18.

Which has a headrest?

Both: the Cooler Master ERGO L as standard and the SIHOO M18 as standard.