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Sihoo Doro C300 Pro vs Sihoo Doro C300

Two of the ergonomic office chairs in our best ergonomic office chairs: herman miller, steelcase, haworth & more comparison, lined up spec by spec. Every figure comes from the manufacturer pages linked below, and the scores use the same published formula as the full ranking.

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#17 of 24 in Ergonomic Office Chairs

Sihoo Doro C300 Pro

5.0/10

Best for: Adds seat depth and 6D arms to the C300

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#22 of 24 in Ergonomic Office Chairs

Sihoo Doro C300

4.2/10

Best for: Budget 4D arms, self-adaptive lumbar

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Spec-by-spec comparison

Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.

SpecSihoo Doro C300 ProSihoo Doro C300Weight
Weight capacityThe heaviest user the maker rates or warranties the chair for. Anything above 400 lb scores the same as 400 lb. 330 lb 330 lb 25%
Warranty lengthYears of coverage on the chair's frame and mechanism, as the maker states it. 3 yr 3 yr 20%
Seat depth adjustmentHow far the seat slides front to back. A fixed seat scores 0; longer travel fits more leg lengths. Metric figures converted (25.4 mm = 1 in). 0.95 in 0 in 15%
Maximum seat heightFloor to top of seat at its highest, with the standard cylinder. Taller users need more. Not listed Not listed 10%
Minimum seat heightFloor to top of seat at its lowest. Shorter users need less to keep feet flat. Not listed Not listed 10%
Armrest adjustmentsThe number of directions the armrests move (4D = up/down, forward/back, side to side, pivot) as the maker labels them. Unlabeled arms score as the lowest figure. 6 D 4 D 10%
Adjustable lumbarYes when the maker lists lumbar support you can adjust (standard or as an option). Not listed Not listed 5%
Forward tiltYes when the maker offers a forward seat tilt, useful for upright, task-focused work. Not listed Not listed 5%
Seat depth16.81"–17.76"18.11" (fixed)info
Seat heightNot published by the makerNot published by the makerinfo
LumbarNot listedSelf-adaptiveinfo
ErgoPick score5.0/104.2/10100%

Where each one comes out ahead

Sihoo Doro C300 Pro

Better published figure on: Seat depth adjustment, Armrest adjustments.

What we like

  • Top armrest adjustments in this comparison (6D)

Watch out for

  • Maximum seat height not published by Sihoo
  • Minimum seat height not published by Sihoo

Sihoo Doro C300

No scored spec where it is strictly ahead; its case rests on the strengths below.

What we like

    Watch out for

    • Maximum seat height not published by Sihoo
    • Minimum seat height not published by Sihoo

    Verdict

    The Pro adds 0.95" of seat depth travel and 6D vs 4D arms; both are rated 330 lb with 3-year warranties.

    Sihoo Doro C300 Pro on AmazonSihoo Doro C300 on Amazon
    Spec sources

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