Acer UM.JS2AA.003
The 31.5-inch 4K VA panel with an ultra-thin ZeroFrame design delivers crisp 3840x2160 resolution and HDR10 support for vivid, large-format visuals. AMD FreeSync and a 4ms response time provide smooth, tear-free playback, while the low blue light feature adds comfort during extended use. This monitor is best for home office users and students who prioritize screen real estate for productivity and casual entertainment over high-refresh gaming.
Screen 31.5"
Resolution 3840 x 2160
Panel VA
Refresh 60 Hz
response time ms 4
adaptive sync FreeSync
HDR HDR10
53 Overall Score
Price ¥36,192
Snapshot
Pros & Cons
Pros
- Strong feature (74th percentile) 74th
- Strong social proof (73rd percentile) 73rd
Cons
- Below average portability (4th percentile)
The proof
Performance
Specifications
Full Specifications
Display
| Size | 31.5" |
| Resolution | 3840x2160 (4K UHD) |
| Panel Type | VA |
| Aspect Ratio | 16:9 |
Performance
| Refresh Rate | 60 Hz |
| Response Time | 4 |
| Adaptive Sync | FreeSync |
Color & HDR
| HDR | HDR10 |
| HDR Support | HDR10 |
Connectivity
| HDMI Ports | 2 |
| DisplayPort | 1 |
Ergonomics
| Tilt | Yes |
| VESA Mount | 75x75 |
Features
| Weight | 5.6 kg / 12.3 lbs |
vs Competition
| Spec | Acer UM.JS2AA.003 | ASUS ROG Strix XG27AQDMG | MSI MAG 271QPX QD-OLED E2 | LG UltraGear 32GX850A-B | Samsung Odyssey OLED G6 G60SF | Gigabyte M Series OLED MO27U2 SA |
|---|---|---|---|---|---|---|
| Screen Size | 31.5 | 26.5 | 27 | 32 | 27 | 27 |
| Resolution | 3840 x 2160 | 2560 x 1440 | 2560 x 1440 | 3840 x 2160 | 2560 x 1440 | 3840 x 2160 |
| Panel Type | VA | OLED | QD-OLED | OLED | QD-OLED | OLED |
| Refresh Rate | 60 | 240 | 240 | 165 | 500 | 240 |
| Response Time Ms | 4 | 0.029999999329447746 | 0.029999999329447746 | 0.029999999329447746 | 0.029999999329447746 | 0.029999999329447746 |
| Adaptive Sync | FreeSync | FreeSync Premium Pro | FreeSync Premium Pro | FreeSync Premium Pro | FreeSync Premium Pro | FreeSync Premium Pro |
| Hdr | HDR10 | HDR10 | DisplayHDR True Black 400 | DisplayHDR True Black 400 | HDR10+ | DisplayHDR 400 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Color | Portability | Display | Feature | Ergonomic | Performance | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| Acer UM.JS2AA.003 | 52.1 | 4.3 | 47.9 | 74.1 | 55.7 | 46.2 | 64.1 | 73.3 |
| ASUS ROG Strix XG27AQDMG Compare | 97.3 | 72.2 | 78.5 | 74.1 | 91.9 | 98.4 | 94.6 | 90.8 |
| MSI MAG 271QPX QD-OLED E2 Compare | 99.2 | 63.6 | 79.3 | 87.4 | 91.9 | 98.4 | 84.9 | 99.4 |
| LG UltraGear 32GX850A-B Compare | 83.3 | 56.1 | 99.1 | 74.1 | 91.9 | 97 | 98.5 | 85.6 |
| Samsung Odyssey OLED G6 G60SF Compare | 85.9 | 63.6 | 79.3 | 74.1 | 91.9 | 99.9 | 98.5 | 77.3 |
| Gigabyte M Series OLED MO27U2 SA Compare | 87.3 | 63.6 | 97.9 | 87.4 | 91.9 | 98.4 | 84.9 | 71.7 |
Price
Value & Pricing
From ¥36,192
Amazon.co.jp 1 offer From ¥36,192
We started tracking prices for this product on Jul 3, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
