Cooler Master Caliber R3 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 Caliber R3

$299.99

SIHOO

SIHOO M57

$319.99

Nearly the same price

$299.99 vs $319.99 starting prices at the brand stores (Cooler Master Caliber R3 vs SIHOO M57)

Differences at a glance

Cooler Master Caliber R3SIHOO M57

Price: $299.99$319.99
Seat height: 48–56 cm46–55 cm (≈ 18.1-21.7 in)
Seat depth: 54 cm18.11 in (≈ 46 cm)
Load capacity: 330 lb330 lb (≈ 150 kg)
Recline: 90–180°Reclines up to 126°
Arms: 2D3D coordinated armrests (up and down, left and right, forward and backward)
Headrest: memory foam pillowHeadrest adjusts vertically up to 3.9 inches and rotates 45 degrees
Lumbar support: memory foam pillowDual-adjustable lumbar support (vertical and horizontal)

Which is cheaper, the Cooler Master Caliber R3 or the SIHOO M57?

The Cooler Master Caliber R3 is cheaper to start: $299.99 versus $319.99 for the SIHOO M57 at the brand stores (Oct 2026).

Which has a higher weight capacity?

Neither. Both are rated for 330 lb in their official specifications.

Which has a headrest?

Both: the Cooler Master Caliber R3 as standard and the SIHOO M57 as standard.