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3 monitors side by side.

6 h a day
  • Electricity at €0.2832 per kWh (household price with taxes, Eurostat 2026-S1).
  • 210 g CO₂e per kWh generated in 2023 (European Environment Agency). Counts use only, not manufacturing.

Yearly running cost

Bars in proportion to the energy each model uses.

  • Poss PSMP156BK-26 €2.48
  • Upperizon UX156FHC €1.61
  • SKitphrati S-156 €2.05
Model Poss PSMP156BK-26 Upperizon UX156FHC SKitphrati S-156
Running cost
Running cost (per year) €2.48 €1.61 €2.05
over 10 years €25 +€9 over 10 years €16 €20 +€4 over 10 years
kWh per year 8.8 5.7 7.2
kg CO₂e per year from electricity use 1.8 1.2 1.5
Specifications
Brand Poss Upperizon SKitphrati
Model PSMP156BK-26 UX156FHC S-156
Energy class A A A
Screen size 15″ (39.6 cm) 15″ (39.7 cm) 15″ (39.5 cm)
Power in on mode (SDR) 4 W 2.6 W 3.3 W
Energy class (HDR) A – –
Power in on mode (HDR) 4 W – –
Standby 0 W 0.3 W 0.3 W
Networked standby 0 W 0 W –
Off mode 0.2 W 0 W 0.1 W
Resolution 1920 × 1080 1920 × 1080 1920 × 1080
Aspect ratio 16:9 16:9 16:9
Panel LCD LCD LCD
Refresh rate 60 Hz 60 Hz 60 Hz
Power supply Internal External External
On the market since September 1, 2026 November 27, 2025 March 29, 2024
EPREL registration number 2694439 2549169 1986930
Guaranteed support – – 1 year
Software updates – – 1 year
Spare parts available – – 1 year

Rows where the models differ are highlighted.