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Comparison

Herman Miller Aeron (Refurbished) vs SIDIZ T50

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
Best value

Sidiz

SIDIZ T50

4.7· 189

~350€

🛒View on Amazon

Score

2

Herman Miller Aeron (Refurbished)

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Score

1

SIDIZ T50

General info

AttributeHerman Miller Aeron (Refurbished)SIDIZ T50
Price
~650€
✓~350€
Rating
✓
★★★★4.9/5
★★★★4.7/5
Reviews
✓312
189
Brand
Herman Miller
Sidiz
Verdict
Best pick
Best value

Technical specs

AttributeHerman Miller Aeron (Refurbished)SIDIZ T50
Garantía
12 años
5 años
Reposabrazos
4D
4D
Material asiento
Malla 8Z Pellicle
—
Altura asiento
38–51 cm
42–52 cm
Capacidad peso
136 kg
120 kg
Peso silla
19 kg
16 kg
Material
—
Malla transpirable

Who it's for

AttributeHerman Miller Aeron (Refurbished)SIDIZ T50
Best for...
  • ✓Professionals who work 8+ hours seated
  • ✓People with chronic back pain
  • ✓Those seeking the best chair without compromise
  • ✓Full-time remote workers with 8-hour days
  • ✓Those seeking real quality without going Herman Miller
  • ✓Users with a €400-600 chair budget
Not recommended for
  • ✓Users who work fewer than 4 hours
  • ✓Those on a tight budget
  • ✓People who change chairs every few years
  • ✓Those looking for the cheapest option
  • ✓Occasional users under 3 hours daily
  • ✓Intensive gaming (no gaming aesthetic)

Pros & cons

AttributeHerman Miller Aeron (Refurbished)SIDIZ T50
Pros
  • ✓Unmatched PostureFit SL lumbar support
  • ✓Lasts 10+ years, 12-year warranty
  • ✓Height and depth adjustable lumbar
  • ✓Full 4D armrests
Cons
  • ✓High price even refurbished
  • ✓Requires initial adjustment time
  • ✓Less brand recognition than Herman Miller
  • ✓No advanced tilt mechanism

Other comparisons

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Herman Miller Aeron (Refurbished) vs SIDIZ T50: which to buy in 2026? | SetupIdeal