Sidiz T80 vs FlexiSpot OC3
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
10 years
longer warranty on Sidiz T80 than FlexiSpot OC3 (official terms)
Differences at a glance
Sources
- T80 work-tech chair – SIDIZ (SIDIZ official store, Korea) ↗Checked Sep 29, 2026
- Essential Office chair (OC3) - FlexiSpot official store (SPEC tab) ↗Checked Sep 29, 2026
Sidiz T80FlexiSpot OC3
- Price
- ₩689,000 – ₩859,000$269.99
- Load capacity
- Maximum load 125 kg (≈ 276 lb)300 lb (136 kg)
- Recline
- Multi-limited tilt (limits backrest recline angle), tilt tension adjustment90–130°
- Arms
- 3D adjustable armrests (height, front-back position, left-right angle)2D; 3.9" height adjustment
- Headrest
- Headrest height / angle adjustment2D headrest; 2.1" height and 30° rotation
- Lumbar support
- Lumbar support height adjustment1.9" Height Adjustable
- Warranty
- 15-year quality warranty (for customers who register the product)5 Years
What users mention
From 3 Sidiz T80 and 2 FlexiSpot OC3 user reviews, most mentioned first. Green is liked, orange is a caution.
Comfort
Sidiz T804 mentionsFlexiSpot OC34 mentionsBreathability
Sidiz T801 mentionFlexiSpot OC36 mentionsPrice and value
Sidiz T800 mentionsFlexiSpot OC37 mentionsDesign
Sidiz T802 mentionsFlexiSpot OC34 mentionsAdjustability
Sidiz T803 mentionsFlexiSpot OC32 mentionsBack support
Sidiz T802 mentionsFlexiSpot OC32 mentions
Questions
Which has a headrest?
Both: the Sidiz T80 as standard and the FlexiSpot OC3 as standard.
What do owners mention most?
Comfort for the Sidiz T80, and price and value for the FlexiSpot OC3, based on review summaries.
Swap in a similar chair
Compare Sidiz T80 with
More comparisons
- Sidiz T80 vs Herman Miller Aeron Headrest: Headrest height / angle adjustment on Sidiz T80; None offered by Herman Miller on Herman Miller Aeron.
- Sidiz T80 vs Steelcase Gesture Headrest: Headrest height / angle adjustment on Sidiz T80; Optional on Steelcase Gesture.
- FlexiSpot OC3 vs SIHOO M18 Arms: 2D on FlexiSpot OC3; Adjustable armrests on SIHOO M18.
- FlexiSpot OC3 vs SIHOO B100 Pro Headrest: 2D headrest on FlexiSpot OC3; Wide 3D adjustable headrest on SIHOO B100 Pro.






