21:9 Portable Gaming Monitor
The selection for 21:9 Portable Gaming Monitor covers 18 offers from makers like Acer, Dell and LG. Between $99.99 and $959.95 there is something for most budgets; ratings and key specs sit right on every product.
The median price is currently $267.88 — about 20% higher than 30 days ago.
Our top picks: 21:9 Portable Gaming Monitor
Selected automatically from marketplace relevance and prices of 18 listed offers.
Budget pickNew 34" Curved LCD Screen Panel for Acer EI342CKR Monitor UWQHD 144Hz DisplayThis is a replacement LCD screen panel for the Acer EI342CKR and compatible monitors, sized 34 inches with a curved VA LCD design.
Top 5: 21:9 Portable Gaming Monitor compared
| # | Product | Price | Rating | Contrast Ratio | Brightness |
|---|---|---|---|---|---|
| 1 |  9.1" Mini LCD Monitor 1920x462 for PC Case - CPU/GPU/RAM Temp Display, White | $155.99 | — | 800:1 | 400 candela_per_square_meter |
| 2 |  34in Curved TAA PC Gaming Monitor Display 21:9 Format 3440x1440P | $280.00 | — | 1000000:1 | 250 cd/m² |
| 3 | New 34" Curved LCD Screen Panel for Acer EI342CKR Monitor UWQHD 144Hz Display | $129.99 | — | 100000000:1 | 300 cd/m² |
| 4 | LG 45GS95QE Ultragear OLED Curved Gaming Monitor 45-Inch WQHD 800R 240Hz (Black) | $804.99 | — | — | — |
| 5 |  High Resolution 34'' White Monitor, FreeSync Technology`/ | $373.99 | — | 1000:1 | 380 cd/m² |
- 9.1" Mini LCD Monitor 1920x462 for PC Case - CPU/GPU/RAM Temp Display, White
- 34in Curved TAA PC Gaming Monitor Display 21:9 Format 3440x1440P
- New 34" Curved LCD Screen Panel for Acer EI342CKR Monitor UWQHD 144Hz Display
- LG 45GS95QE Ultragear OLED Curved Gaming Monitor 45-Inch WQHD 800R 240Hz (Black)
- High Resolution 34'' White Monitor, FreeSync Technology`/
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SCEPTRE C345B-QUT168-1 C34 ULTRAWIDE CURVED GAMING 180HZ 3440 X 1440 RESOLUTION - Acer Nitro 34" Ultrawide QHD LED Curved Gaming Monitor Black 1ms 165Hz ED343CUR
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Acer 34" SCREEN QHD LCD Curved Gaming 3440×1440 144Hz EI342CKR SG3402H01-1 -
ASUS TUF VG34VQ3B 34" WQHD 3440x1440 180Hz 1ms 1500R Curved Gaming Monitor -
Acer 34" EI342CKR SCREEN QHD LCD Curved Gaming 3440×1440 144Hz SG3402H01-1 -
Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor 165Hz - Original Box Mint -
Dell Alienware AW3423DWF 34'' Quantom Dot OLED Curved Gaming Monitor *No Display -
Alienware 34" AW3423DWF QD-OLED OLED Ultrawide Gaming Monitor -
LG UltraWide Computer Monitor 29” IPS HDR 29BQ650 -
Ultrawide 3440P QHD LCD Screen Panel for Acer 34" EI342CKR CurvedLCD Replacement -
Alienware AW3423DW 34.2" 1440p HDR 175 Hz Curved Gaming Monitor (Lunar Light) + -
SAMSUNG S34C650VAN 34 ViewFinity Curved PC Monitor HDMI S6 (Brand New) -
Dell S3422DWG 34'' Curved WQHD Monitor - Used - (USB-C) - Pickup Only
FAQ: 21:9 Portable Gaming Monitor
What price range does 21:9 Portable Gaming Monitor fall into?
The current span runs from $99.99 to $959.95 across 18 offers with a listed price; the midpoint is $229.00 (as of September 2026).
Which brands are listed for 21:9 Portable Gaming Monitor?
The most represented brands in this overview are Acer (5), Dell (4) and LG (2) (offer counts as of September 2026).
Which criteria help when comparing 21:9 Portable Gaming Monitor?
When comparing, it pays to look at Screen Size, Display Resolution, Adaptive Sync, Connectivity and Display Type — the listings here can be filtered by exactly these criteria.