Cooler Master Caliber R3 vs SIHOO B300 Pro
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
$30
lower starting price for Cooler Master Caliber R3 than SIHOO B300 Pro at the brand stores
Differences at a glance
Sources
- Cooler Master Caliber R3 product page ↗Checked Oct 17, 2026
- Sihoo B300 Pro Ergonomic Office Chair – Official US Sihoo Store ↗Checked Oct 16, 2026
Cooler Master Caliber R3SIHOO B300 Pro
- Price
- $299.99$329.99 – $379.99
- Seat height
- 48–56 cm46.8–55.3 cm
- Seat depth
- 54 cm16.5–18.5 in (≈ 42-47 cm)
- Load capacity
- 330 lb330 lb (≈ 150 kg)
- Recline
- 90–180°Three lockable recline angles: 105°, 120°, 135°
- Arms
- 2D6D All-Around Armrests (rotate, adjust, flip up)
- Headrest
- memory foam pillow3D Ultra-Wide Headrest
- Lumbar support
- memory foam pillow4D MicroFit Lumbar Support: 0.8" depth and 2" height adjustment
Questions
Which is cheaper, the Cooler Master Caliber R3 or the SIHOO B300 Pro?
The Cooler Master Caliber R3 is cheaper to start: $299.99 versus $329.99 for the SIHOO B300 Pro 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 B300 Pro as standard.
Cooler Master Caliber R3: specs, reviews, where to buy →SIHOO B300 Pro: specs, reviews, where to buy →







