Acer AOPEN 27HC5UR S 27" Black 2021

★★★★☆ 4.1 (46)

The 1500R curved VA panel combined with 165Hz refresh rate and 1ms response time delivers fluid, tear-free motion thanks to AMD FreeSync Premium. Its 2560x1440 resolution ensures crisp detail in games and media, while the height-adjustable stand and VESA mount add ergonomic flexibility. It's best suited for casual gamers wanting an affordable, immersive 1440p curved display without breaking the bank.

Screen 27
Resolution 2560x1440
Panel VA
Refresh 165 Hz
response time ms 1
adaptive sync FreeSync Premium
HDR HDR10
Acer AOPEN 27HC5UR S 27" Black 2021 monitor
66 Overall Score
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Snapshot

Pros & Cons

Pros

  • Strong feature (92th percentile) 92th
  • Strong performance (78th percentile) 78th
  • Strong social proof (71th percentile) 71th
  • Strong connectivity (67th percentile) 67th

Cons

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews — so you can see whether early praise held up.

Owner sentiment has held steady over time
1★2★3★4★5★Q3 '21: 5.0★ · 1 reviewQ2 '22: 5.0★ · 1 reviewQ3 '22: 5.0★ · 1 reviewQ4 '22: 4.0★ · 1 reviewQ3 '23: 5.0★ · 1 reviewQ2 '24: 3.0★ · 2 reviewsQ3 '25: 5.0★ · 1 review1111121Q3 '21Q2 '22Q3 '22Q4 '22Q3 '23Q2 '24Q3 '25
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 8 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

Color 46.8
Portability 40.2
Display 64
Feature 91.8
Ergonomic 65.9
Performance 77.9
Connectivity 67.4
Social Proof 71

Specifications

Full Specifications

Display

Size 27"
Resolution 2560 (QHD)
Panel Type VA
Aspect Ratio 16:9
Curved Yes
Curvature 1500

Performance

Refresh Rate 165 Hz
Response Time 1
Adaptive Sync FreeSync Premium

Color & HDR

Brightness 250 nits
HDR HDR10
HDR Support HDR10

Connectivity

HDMI Ports 2
DisplayPort 1
Speakers Yes
Headphone Jack Yes

Ergonomics

Height Adjustable Yes
Tilt Yes
VESA Mount 100x100

Features

Webcam No
Weight 3.2 kg / 7.0 lbs

vs Competition

Spec Acer AOPEN 27HC5UR S 27" LG UltraGear 45GX950A-B ASUS ROG Strix XG27AQDMG MSI MPG MPG 271QRX QD-OLED Samsung Odyssey Neo G9 G95NC Dell UltraSharp U4025QW
Screen Size 27 44.5 26.5 27 57 39.70000076293945
Resolution 2560x1440 5120 x 2160 2560 x 1440 2560 x 1440 7680 x 2160 5120 x 2160
Panel Type VA OLED OLED QD-OLED VA IPS
Refresh Rate 165 165 240 360 240 120
Response Time Ms 1 0.029999999329447746 0.029999999329447746 0.029999999329447746 1 5
Adaptive Sync FreeSync Premium FreeSync Premium Pro FreeSync Premium Pro FreeSync Premium Pro FreeSync Premium Pro Adaptive-Sync
Hdr HDR10 DisplayHDR True Black 400 HDR10 DisplayHDR True Black 400 HDR10+ DisplayHDR 600
Compare Compare Compare Compare Compare
Product ColorCompactDisplayFeatureErgonomicPerformanceConnectivitySocial Proof
Acer AOPEN 27HC5UR S 27" 46.840.26491.865.977.967.471
LG UltraGear 45GX950A-B Compare 99.482.499.797.390.596.196.891.2
ASUS ROG Strix XG27AQDMG Compare 96.473.975.772.490.597.993.186.4
MSI MPG MPG 271QRX QD-OLED Compare 98.963.876.672.490.599.582.299.5
Samsung Odyssey Neo G9 G95NC Compare 99.432.199.797.372.287.693.195.7
Dell UltraSharp U4025QW Compare 97.582.498.497.372.256.299.298.4

Usage Scores

Overall (66.3)Gaming (63.7)Office (61.1)Creative (42)Portable (13.9)Professional (44.3)Entertainment (58.2)

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

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