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Comparison

Herman Miller Aeron (Refurbished) vs Sihoo M57

Full comparison — price, specs, pros and cons. Updated in 2026.

Best pick

Herman Miller

Herman Miller Aeron (Refurbished)

4.9· 312

~650€

🛒View on Amazon

Budget

Sihoo

Sihoo M57

4.3· 287

~189€

🛒View on Amazon

Score

2

Herman Miller Aeron (Refurbished)

VSWins →

Score

1

Sihoo M57

General info

Attribute	Herman Miller Aeron (Refurbished)	Sihoo M57
Price	~650€	✓~189€
Rating	✓ ★★★★4.9/5	★★★★4.3/5
Reviews	✓312	287
Brand	Herman Miller	Sihoo
Verdict	Best pick	Budget pick

Technical specs

Attribute	Herman Miller Aeron (Refurbished)	Sihoo M57
Garantía	12 años	3 años
Reposabrazos	4D	3D
Material asiento	Malla 8Z Pellicle	—
Altura asiento	38–51 cm	43–53 cm
Capacidad peso	136 kg	130 kg
Peso silla	19 kg	14 kg
Material	—	Malla transpirable

Who it's for

Attribute	Herman Miller Aeron (Refurbished)	Sihoo M57
Best for...	✓Professionals who work 8+ hours seated ✓People with chronic back pain ✓Those seeking the best chair without compromise	✓First home office on a tight budget ✓Users who work 4-6 hours a day ✓Those looking for basic ergonomics without spending over €200
Not recommended for	✓Users who work fewer than 4 hours ✓Those on a tight budget ✓People who change chairs every few years	✓People with more than 6 hours of daily work ✓Those with chronic back problems ✓Users looking for 10+ year durability

Pros & cons

Attribute	Herman Miller Aeron (Refurbished)	Sihoo M57
Pros	✓Unmatched PostureFit SL lumbar support ✓Lasts 10+ years, 12-year warranty	✓Adjustable lumbar under €200 ✓3D armrests included
Cons	✓High price even refurbished ✓Requires initial adjustment time	✓Lower material quality than higher ranges ✓Only 3-year warranty

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