SIHOO M59AS vs FlexiSpot OC3

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

SIHOO

SIHOO M59AS

$449.99

FlexiSpot

FlexiSpot OC3

$269.99

$180

lower starting price for FlexiSpot OC3 than SIHOO M59AS at the brand stores

Differences at a glance

SIHOO M59ASFlexiSpot OC3

Price: $449.99$269.99
Seat height: 46.5–56.5 cm18.5–22.4 in (47-57 cm)
Seat depth: 17.13 in (≈ 43.5 cm)15.9 in (40 cm)
Load capacity: 330 lb (≈ 150 kg)300 lb (136 kg)
Recline: Recline up to 126°90–130°
Arms: 3D coordinated flip-up armrests (flip up and down, left and right, forward and backward)2D; 3.9" height adjustment
Headrest: Double-jointed headrest (height and angle)2D headrest; 2.1" height and 30° rotation
Lumbar support: Dynamic lumbar support in a dual-section backrest1.9" Height Adjustable
Warranty: 3 years5 Years

Which is cheaper, the SIHOO M59AS or the FlexiSpot OC3?

The FlexiSpot OC3 is cheaper to start: $269.99 versus $449.99 for the SIHOO M59AS at the brand stores (Oct 2026).

Which has a headrest?

Both: the SIHOO M59AS as standard and the FlexiSpot OC3 as standard.