Gigabyte S55U-SA 55" Black 2022

★★★☆☆ 3.4 (18)

A 54.6-inch VA panel with 4K resolution and a 120Hz refresh rate via HDMI 2.1 delivers fluid, large-format gaming with a 2ms response time. Built-in Android streaming services and 96% DCI-P3 coverage make it a versatile entertainment hub beyond just a monitor. This display is best for console and PC gamers who want a massive, all-in-one screen for both competitive play and cinematic content.

Screen 55"
Resolution 3840 x 2160
Panel VA
Refresh 120 Hz
response time ms 2
Gigabyte S55U-SA 55" Black 2022 monitor
36 Overall Score

No current retailer price

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Snapshot

The 30-Second Version

Great big-screen 120Hz gaming for consoles, but the PC 120Hz failures and backlight issues make this a risky buy. At $500 it's tempting, but you're gambling on reliability.

Pros & Cons

Pros

  • Sharp 4K picture with 96% DCI-P3 color 92nd
  • 120Hz with HDMI 2.1 is great for PS5 and Xbox 70th
  • Built-in Android TV with tons of apps 68th
  • Loud, surprisingly good built-in audio

Cons

  • PC users report 120Hz doesn't work reliably
  • Backlight issues causing dark spots after a month
  • Always-on microphone with mandatory Google account
  • User sentiment is one of the worst we've seen

What owners think

The Word on the Street

3.4/5 (18 reviews)
👍 Console gamers love the sharp 4K picture and smooth 120Hz with VRR on PS5.
👎 A recurring complaint is backlight problems showing up as dark spots after just a month of use.
🤔 PC users are frustrated that 120Hz doesn't work reliably, even though the spec sheet says it should.

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 cooled since launch
57/100Our AI sentiment readlow confidence · 7 sources · May 2026
1★2★3★4★5★Q3 '22: 4.0★ · 2 reviewsQ1 '23: 5.0★ · 1 reviewQ2 '23: 1.0★ · 1 reviewQ1 '24: 5.0★ · 1 reviewQ3 '24: 3.0★ · 2 reviews21112Q3 '22Q1 '23Q2 '23Q1 '24Q3 '24
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 7 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

The 120Hz refresh rate and 2ms response time sound great on paper, and console gamers report smooth performance with VRR on PS5. But here's the kicker: multiple owners say they couldn't get 120Hz working with a PC at all. That's a pretty big miss for something marketed as a gaming monitor. The VA panel delivers sharp 4K picture quality, and the 96% DCI-P3 coverage is solid, but backlight issues cropping up after a month of use are a red flag we can't ignore.

Performance Percentiles

Color 69.9
Portability 3.8
Display 92.4
Feature 19.8
User Sentiment 8.3
Ergonomic 31.1
Performance 64.1
Connectivity 67.6
Social Proof 12.5

Specifications

Full Specifications

Display

Size 55"
Resolution 3840x2160 (4K UHD)
Panel Type VA
Aspect Ratio 16:9
Screen Finish matte

Performance

Refresh Rate 120 Hz
Response Time 2

Color & HDR

Color Gamut 96% DCI-P3 / 140% sRGB
Color Depth 10-bit

Connectivity

HDMI Ports 4
Headphone Jack Yes

Ergonomics

VESA Mount 400x300

Features

Weight 24.9 kg / 54.9 lbs

vs Competition

Against something like the ASUS ROG Strix XG27UCDMG or LG UltraGear 27GX790A-B, the S55U is playing a completely different game. Those are proper desktop monitors with better color accuracy, faster response, and actual PC-focused features. The S55U is really competing with budget 55-inch TVs that happen to have 120Hz. If you want a desk monitor, get one of those 27-inch options. If you want a living room gaming screen, the S55U makes more sense, but a TCL or Hisense at this price might be safer.

Spec Gigabyte S55U-SA 55" LG UltraGear 45GX950A-B ASUS ROG Strix XG27UCDMG Dell UltraSharp U4025QW MSI MAG 271QPX QD-OLED E2 Alienware AW-Series AW3425DW
Screen Size 55 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 VA OLED OLED IPS QD-OLED QD-OLED
Refresh Rate 120 330 240 120 240 240
Response Time Ms 2 0.029999999329447746 0.029999999329447746 5 0.029999999329447746 0.029999999329447746
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 ColorPortabilityDisplayFeatureUser SentimentErgonomicPerformanceConnectivitySocial Proof
Gigabyte S55U-SA 55" 69.93.892.419.88.331.164.167.612.5
LG UltraGear 45GX950A-B Compare 99.476.699.795.875.690.899.496.994.7
ASUS ROG Strix XG27UCDMG Compare 96.157.897.98499.290.89881.499.3
Dell UltraSharp U4025QW Compare 98.276.698.795.885.490.85699.398
MSI MAG 271QPX QD-OLED E2 Compare 99.157.877.48495.690.89881.499.3
Alienware AW-Series AW3425DW Compare 997485.889.995.690.89895.498

Price

Value & Pricing

At $500 USD, this is a decent deal if you want a big 4K 120Hz screen for console gaming and don't mind the smart TV baggage. But the reliability concerns and PC compatibility issues make it a gamble. You're rolling the dice on whether you get a great budget gaming display or a backlight headache in 30 days.

Read more

Overview

The Gigabyte S55U is a 55-inch 4K gaming display that tries to be both a monitor and a smart TV, and honestly, it's better at the TV part. The 120Hz refresh rate and HDMI 2.1 support make it a solid pick for PS5 or Xbox Series X owners who want a big screen without spending OLED money. But if you're eyeing this as a PC monitor, pump the brakes. The size alone is a commitment, and the user sentiment score is sitting at a rough 9th percentile, which tells you people are running into real frustrations.

Common Questions

Q: Can I use this as a PC monitor?

You can, but you probably shouldn't. Multiple owners report they couldn't get 120Hz working with a PC, and 55 inches on a desk is a neck workout. If you want a PC monitor, get a 27 or 32 inch option instead.

Q: Does it work well with PS5 and Xbox Series X?

Yes, this is where the S55U shines. The HDMI 2.1 ports support 4K at 120Hz with VRR, and console gamers report excellent performance. Just make sure you use the HDMI 2.1 ports, not the 2.0 ones.

Q: Do I need a Google account to use it?

Unfortunately, yes. The initial setup requires a Google account and there's no way to skip it. The always-on microphone is also a privacy concern for some people, and the amber LED stays on when you mute it.

Who Should Skip This

If you're a PC gamer looking for a high-refresh monitor, this isn't it. The 120Hz doesn't work reliably with PCs, and the 55-inch size is absurd for desk use. Go get a proper 27 or 32 inch gaming monitor like the ASUS ROG Strix XG27UCDMG or LG UltraGear 27GX790A-B instead. Also skip this if you're privacy-conscious, the mandatory Google account and always-on mic are dealbreakers.

Verdict

The Gigabyte S55U is a console gaming TV wearing a monitor costume. For PS5 or Xbox players who want a big 120Hz 4K screen at $500, it's tempting. But the PC 120Hz issues, backlight failures, and privacy-invading setup make it hard to recommend without reservations. If you're a PC gamer, look elsewhere. If you're a console gamer who doesn't mind the Google account requirement, it's a calculated risk.

Usage Scores

Overall (36.3)Gaming (55.7)Office (35.1)Creative (54.5)Portable (4.2)Professional (49.9)Entertainment (46.1)
  • Overall36.3
  • Gaming55.7
  • Office35.1
  • Creative54.5
  • Portable4.2
  • Professional49.9
  • Entertainment46.1

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