SIHOO Doro C300 Ultra V2 vs Generation by Knoll

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

SIHOO

SIHOO Doro C300 Ultra V2

$679.99 – $689.99

Knoll

Generation by Knoll

$1,653 – $1,886

9 years

longer warranty on Generation by Knoll than SIHOO Doro C300 Ultra V2 (official terms)

Differences at a glance

SIHOO Doro C300 Ultra V2Generation by Knoll

Price: $679.99 – $689.99$1,653 – $1,886
Seat height: 47.5–55.5 cm (≈ 18.7-21.9 in)16.5–21.75 in (Thin Seat Foam); 17.25–22.5 in (Ultra Seat Foam)
Seat depth: 16.9–18.5 in (≈ 43-47 cm)15.75–18.75 in with arms, 15.75–18.25 in armless (Ultra); 15–18 in with arms, 15–17.5 in armless (Thin)
Load capacity: 330 lb (≈ 150 kg)300 lb (136.1 kg)
Recline: Recline Angles 105°, 120°, 135°Seat-to-back angle 96°–111°; back tilt range 15°; synchronized recline ratio seat:back 1°:4.4°
Arms: 8D Bionic Armrests (up, down, forward, back, rotate, or tilt)Arm height from seat 6.625–11.125 in (Thin) / 6.125–10.625 in (Ultra); High performance arm pads adjust 2 in width (1 per arm), 1.5 in depth and pivot 45°
Lumbar support: Domino™ Sacral-Lumbar Support 2.0: moves up or down, 3 support levelsFixed lumbar 9.25 in; optional adjustable lumbar 8.125–11.375 in
Warranty: 3 years (covers manufacturing defects)12-year warranty (terms and conditions apply)

Which is cheaper, the SIHOO Doro C300 Ultra V2 or the Generation by Knoll?

The SIHOO Doro C300 Ultra V2 is cheaper to start: $679.99 versus $1,653 for the Generation by Knoll at the brand stores (Oct 2026).

Which has a higher weight capacity?

The SIHOO Doro C300 Ultra V2, rated for 330 lb versus 300 lb for the Generation by Knoll.