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 2560 x 1440
Panel VA
Refresh 165 Hz
response time ms 1
adaptive sync FreeSync Premium
HDR HDR10
Acer AOPEN 27HC5UR S 27" Black 2021 monitor
62 Overall Score
Price ¥0
No listings available

Snapshot

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
78/100Our AI sentiment readlow confidence · 8 sources · May 2026
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 51.4
Portability 42.6
Display 68.4
Feature 92.2
User Sentiment 46
Ergonomic 70.8
Performance 80.5
Connectivity 71.1
Social Proof 68.6

Specifications

Full Specifications

Display

Size 27"
Resolution 2560x1440 (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" ASUS ROG Strix XG27UCDMG LG UltraGear 45GX950A-B MSI MAG 271QPX QD-OLED E2 Samsung Odyssey G60SD Gigabyte M Series OLED MO27U2 SA
Screen Size 27 27 44.5 27 27 27
Resolution 2560 x 1440 3840 x 2160 5120 x 2160 2560 x 1440 2560 x 1440 3840 x 2160
Panel Type VA OLED OLED QD-OLED QD-OLED OLED
Refresh Rate 165 240 165 240 360 240
Response Time Ms 1 0.029999999329447746 0.029999999329447746 0.029999999329447746 0.029999999329447746 0.029999999329447746
Adaptive Sync FreeSync Premium FreeSync Premium Pro FreeSync Premium Pro FreeSync Premium Pro FreeSync Premium Pro FreeSync Premium Pro
Hdr HDR10 DisplayHDR True Black 400 DisplayHDR True Black 400 DisplayHDR True Black 400 HDR10+ DisplayHDR 400
Compare Compare Compare Compare Compare
Product ColorPortabilityDisplayFeatureUser SentimentErgonomicPerformanceConnectivitySocial Proof
Acer AOPEN 27HC5UR S 27" 51.442.668.492.24670.880.571.168.6
ASUS ROG Strix XG27UCDMG Compare 96.663.397.987.29991.998.484.999.4
LG UltraGear 45GX950A-B Compare 99.579.399.897.274.591.99797.595.4
MSI MAG 271QPX QD-OLED E2 Compare 99.263.379.487.295.491.998.484.999.4
Samsung Odyssey G60SD Compare 92.346.579.473.895.491.999.789.995.4
Gigabyte M Series OLED MO27U2 SA Compare 87.163.397.987.292.591.998.484.970.7

Usage Scores

Overall (62)Gaming (65.4)Office (61)Creative (44.5)Portable (14.4)Professional (45.9)Entertainment (59.4)

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