LG LG 27BL55U-B 27" 4K UHD LCD Monitor - 16:9 - TAA Review

The LG 27BL55U-B packs a sharp 4K IPS display and a fantastic adjustable stand into a $250 package, making it a standout for productivity. Just don't expect it to be a gaming champion.

Screen Size 27
Resolution 3840 x 2160
Panel Type IPS
Refresh Rate 60
Response Time Ms 5
Adaptive Sync FreeSync
Hdr HDR10
LG LG 27BL55U-B 27" 4K UHD LCD Monitor - 16:9 - TAA monitor
64.9 Genel Puan

The 30-Second Version

The LG 27BL55U-B is a 27-inch 4K monitor that offers exceptional value for productivity and general use. It delivers sharp, color-accurate visuals and a fully adjustable stand, all for around $250. It's not a gaming monitor, but for office work, coding, and media, it's a fantastic budget-friendly choice.

Overview

If you're hunting for a 27-inch 4K monitor that won't break the bank, the LG 27BL55U-B is a solid contender. It's a straightforward IPS panel with a 3840 x 2160 resolution, which gives you a ton of screen real estate for work or a sharp picture for media. At around $250, it sits in that sweet spot for budget 4K productivity monitors. The big story here isn't about flashy gaming specs, but about getting a sharp, color-accurate display with excellent ergonomics for the price.

Performance

This is a 60Hz panel with a 5ms response time, so it's built for clarity and color, not speed. In our database, its performance score lands in the 37th percentile, which tells you it's not a gaming powerhouse. But that's not the point. Where it shines is in its display and color scores, hitting the 92nd and 88th percentiles, respectively. That 98% sRGB coverage and 4K resolution mean text is incredibly crisp and colors look accurate for everyday creative work or just enjoying 4K video. The 300-nit brightness and HDR10 support are decent for the price, but don't expect true HDR pop.

Performance Percentiles

Color 84.8
Portability 28.8
Display 90.4
Feature 83.8
Ergonomic 92.5
Performance 40.1
Connectivity 32.8
Social Proof 45.9

Pros & Cons

Pros

  • Excellent 4K sharpness on a 27-inch IPS panel 93th
  • Outstanding ergonomic stand with height, tilt, and pivot adjustment 90th
  • Strong color accuracy with 98% sRGB coverage 85th
  • Includes AMD FreeSync for basic frame smoothing 84th
  • Very competitive price for a full-featured 4K monitor

Cons

  • Standard 60Hz refresh rate, not suitable for high-refresh gaming 29th
  • Limited connectivity with only DisplayPort and HDMI 33th
  • HDR10 support is basic due to 300-nit peak brightness
  • Hefty build at nearly 6kg isn't portable
  • 5ms response time is slower than dedicated gaming displays

The Word on the Street

4.7/5 (4 reviews)
👍 Buyers are consistently impressed with the monitor's sharp 4K image quality and color accuracy for the price.
👍 The fully adjustable stand is a major highlight, with users appreciating the height, tilt, and pivot features.
🤔 While praised for general use, some note the 60Hz refresh rate makes it less ideal for fast-paced gaming.

Specifications

Full Specifications

Display

Size 27"
Resolution 3840 (4K UHD)
Panel Type IPS
Aspect Ratio 16:9

Performance

Refresh Rate 60 Hz
Response Time 5
Adaptive Sync FreeSync

Color & HDR

Brightness 300 nits
Color Gamut sRGB 98% (CIE1931)
HDR HDR10
HDR Support HDR10

Connectivity

Headphone Jack Yes

Ergonomics

Height Adjustable Yes
Tilt Yes
Swivel No
Pivot Yes
VESA Mount 100x100

Features

Weight 6.0 kg / 13.2 lbs

Value & Pricing

At $250, the value proposition is clear: you're getting a proper 4K IPS panel with a fantastic, fully adjustable stand. You usually have to pay a premium just for that stand on other models. While you sacrifice high refresh rates and fancy connectivity, the core display quality and ergonomics are where this monitor puts its budget. For office work, coding, photo editing in sRGB, or general media consumption, it's hard to find a better-equipped screen at this price.

vs Competition

This monitor lives in a different world than its listed 'competitors' like the massive Samsung Odyssey G9 or the ASUS ROG Swift OLED. Those are high-end gaming beasts costing many times more. A more direct rival would be something like the Dell S2721QS, another 27-inch 4K 60Hz IPS monitor. The LG often undercuts it on price and includes a more adjustable stand. If you need more speed, the MSI MPG 321URX offers 4K at 240Hz, but you'll pay over four times as much. The LG is for when your priority is pixel density and adjustability, not frame rates.

Common Questions

Q: Is the LG 27BL55U-B good for photo editing?

Yes, its 98% sRGB color gamut coverage and 4K IPS panel provide accurate colors and fine detail, making it very capable for amateur or sRGB-based professional photo editing.

Q: Can you game on this LG 4K monitor?

You can play casual or slower-paced games, but the 60Hz refresh rate and 5ms response time mean it's not suitable for competitive esports or fast-action gaming where high frame rates are key.

Q: Does this monitor have a VESA mount?

Yes, it has a standard 100x100mm VESA mount pattern, so you can easily attach it to a monitor arm if you prefer that over the included adjustable stand.

Q: How does the LG 27BL55U-B compare to a Dell UltraSharp?

It offers similar core 4K IPS quality and ergonomics as an entry-level UltraSharp, but often at a lower price point, though it may lack some of Dell's premium connectivity or calibration guarantees.

Who Should Skip This

Skip this monitor if you're a competitive gamer—the 60Hz refresh rate will feel sluggish. Also, look elsewhere if you need thunderbolt connectivity for a MacBook, or if you're a video editor requiring wide color gamuts like DCI-P3. For those uses, consider a monitor with higher refresh rates or better connectivity, like a Gigabyte M28U for gaming or a Dell UltraSharp with USB-C for professionals.

Verdict

Should you buy the LG 27BL55U-B? If you want a sharp, color-accurate 4K screen for work, browsing, and casual use, and you value a good stand, then absolutely. It's a no-nonsense monitor that excels at the fundamentals. But if your main use is competitive gaming, or you need high brightness for professional HDR work, look elsewhere. For the price, it delivers where it counts: a great-looking picture on a highly adjustable base.