Acer SB322QK UM.HS2AA.006 31.5"

The 31.5-inch UHD OLED panel delivers 3840 x 2160 resolution with 300 nits brightness, making it a sharp choice for detailed work. Adaptive-Sync support matches the 60Hz refresh rate to your graphics card, reducing screen tearing during casual gaming. This monitor suits home or office users who want a large, space-saving display with VESA mounting and tilt adjustment.

Screen 31.5"
Resolution 3840 x 2160
Panel OLED
Refresh 60 Hz
response time ms 4
adaptive sync Adaptive-Sync
Acer SB322QK UM.HS2AA.006 31.5" monitor
43 Overall Score

No current retailer price

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Snapshot

The 30-Second Version

Big, beautiful 4K screen for cheap. But 60Hz means it's for work, not gaming.

Pros & Cons

Pros

  • Gorgeous 31.5-inch 4K VA panel for the price 98th
  • ZeroFrame design looks clean on a desk
  • Adaptive-Sync support for tear-free casual gaming
  • VESA mountable for multi-monitor setups

Cons

  • 60Hz refresh rate feels sluggish for gaming
  • 4ms response time can cause ghosting in fast scenes
  • Only tilt adjustment, no height or swivel
  • No USB hub or modern connectivity options

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★Q4 '23: 5.0★ · 1 reviewQ2 '24: 5.0★ · 1 reviewQ3 '24: 3.0★ · 1 reviewQ4 '24: 4.0★ · 1 reviewQ1 '25: 5.0★ · 1 reviewQ2 '25: 5.0★ · 1 reviewQ3 '25: 5.0★ · 4 reviewsQ4 '25: 5.0★ · 2 reviewsQ1 '26: 4.0★ · 1 review111111421Q4 '23Q2 '24Q3 '24Q4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 13 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

The display is the star here. A 31.5-inch 4K VA panel at this price is rare, and the 98th percentile ranking backs that up. Colors are solid, contrast is typical VA goodness, and 300 nits is fine for indoor use. But the 60Hz cap and 4ms response time are the trade-offs. Adaptive-Sync helps smooth things out, but this isn't a monitor for competitive shooters. The ergonomics are also pretty basic, just tilt and VESA mounting, so you'll want a monitor arm if you care about height adjustment.

Performance Percentiles

Color 42.2
Portability 21.1
Display 97.9
Feature 19.8
Ergonomic 47.7
Performance 44.2
Connectivity 39.7

Specifications

Full Specifications

Display

Size 31.5"
Resolution 3840x2160 (4K UHD)
Panel Type OLED
Aspect Ratio 16:9
Curved No

Performance

Refresh Rate 60 Hz
Response Time 4
Adaptive Sync Adaptive-Sync

Color & HDR

Brightness 300 nits

Connectivity

HDMI Ports 2
DisplayPort 0
USB-C 0
Speakers Yes

Ergonomics

Height Adjustable No
Tilt Yes
VESA Mount 100x100

Features

Webcam No
Weight 6.2 kg / 13.7 lbs

vs Competition

The Acer SB322QK sits in a weird spot. It's cheaper than the ASUS ROG Strix XG27UCDMG and LG UltraGear 27GX790A-B, but those are 27-inch OLED gaming monitors with much higher refresh rates. The Samsung Odyssey G60SD and MSI MPG 271QR QD-OLED are also gaming-focused with better response times. The Gigabyte M Series OLED MO27U2 SA is closer in spirit, but still a gaming panel. If you want pure screen real estate and 4K resolution for work, the Acer wins on price. If you want gaming performance, every competitor here beats it.

Spec Acer SB322QK UM.HS2AA.006 31.5" LG UltraGear 45GX950A-B ASUS ROG Strix XG27UCDMG Dell UltraSharp U4025QW MSI MAG 271QPX QD-OLED E2 Alienware AW-Series AW3425DW
Screen Size 31.5 45 27 39.70000076293945 27 34
Resolution 3840 x 2160 5120 x 2160 3840 x 2160 5120 x 2160 2560 x 1440 3440 x 1440
Panel Type OLED OLED OLED IPS QD-OLED QD-OLED
Refresh Rate 60 330 240 120 240 240
Response Time Ms 4 0.029999999329447746 0.029999999329447746 5 0.029999999329447746 0.029999999329447746
Adaptive Sync Adaptive-Sync FreeSync Premium Pro FreeSync Premium Pro Adaptive-Sync FreeSync Premium Pro FreeSync Premium Pro
Hdr - DisplayHDR True Black 400 DisplayHDR True Black 400 DisplayHDR 600 DisplayHDR True Black 400 DisplayHDR 400 True Black
Compare Compare Compare Compare Compare
Product ColorPortabilityDisplayFeatureErgonomicPerformanceConnectivity
Acer SB322QK UM.HS2AA.006 31.5" 42.221.197.919.847.744.239.7
LG UltraGear 45GX950A-B Compare 99.476.699.795.890.999.496.9
ASUS ROG Strix XG27UCDMG Compare 96.157.897.98490.99881.4
Dell UltraSharp U4025QW Compare 98.276.698.795.890.95699.3
MSI MAG 271QPX QD-OLED E2 Compare 99.157.877.48490.99881.4
Alienware AW-Series AW3425DW Compare 997485.889.990.99895.4

Price

Value & Pricing

At 299 CAD, this is a lot of screen for the money. You're getting a 4K 31.5-inch panel that competes with monitors twice the price on pure display quality. But the value depends on what you need. If you want a big, sharp screen for spreadsheets, movies, or photo editing, this is a bargain. If you want smooth gaming, save up for something with a higher refresh rate.

Read more

Overview

The Acer SB322QK is a 31.5-inch 4K monitor that looks way more premium than it is. You get a huge, sharp VA panel with a ZeroFrame design for under 300 CAD, which sounds like a steal. But the 60Hz refresh rate and 4ms response time tell the real story: this is a productivity and media monitor, not a gaming panel. The display itself ranks in the 98th percentile in our database, so the picture quality is genuinely impressive for the price. Just don't expect it to keep up with fast-paced games.

Common Questions

Q: Is this monitor good for gaming?

For casual gaming, sure. The Adaptive-Sync helps with screen tearing. But 60Hz and 4ms response time will frustrate you in fast-paced shooters. If you play competitive games, get a 144Hz or higher monitor instead.

Q: Can I mount this on a monitor arm?

Yes, it has VESA 75x75 mounting holes. The included stand only tilts, so a monitor arm is a good upgrade if you want height adjustment.

Q: Does it have built-in speakers?

Yes, it has built-in speakers. They're fine for basic use, but you'll want external speakers or headphones for anything serious.

Who Should Skip This

If you're looking for a gaming monitor, this isn't it. The 60Hz refresh rate and 4ms response time will hold you back. Go get the ASUS ROG Strix XG27UCDMG or LG UltraGear 27GX790A-B instead. If you need a portable monitor, this 31.5-inch beast is the opposite of portable, so look elsewhere.

Verdict

The Acer SB322QK is a great budget 4K monitor for productivity and media consumption. The display quality is excellent for the price, and the 31.5-inch size is immersive. But the 60Hz refresh rate and 4ms response time make it a poor choice for serious gaming. Buy it for work, not for play.

Usage Scores

Overall (43)Gaming (44.1)Office (47)Creative (45.9)Portable (5.4)Professional (45.6)Entertainment (42.7)
  • Overall43
  • Gaming44.1
  • Office47
  • Creative45.9
  • Portable5.4
  • Professional45.6
  • Entertainment42.7

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