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Acer · VA · 24.5"

KG251Q Z1biip

1920×1080 · 280 Hz · HDR10

Overall
48
Work
42
Play
65
Amazon
$130
$130
Available on Amazon Updated Aug 30, 2026 Prime FBA
Overall47.6
Work42.1
Play64.5
Refresh100.0
Response50.0
Color70.0
Quality / price73.2

Written analysis

KG251Q Z1biip at a glance

The KG251Q Z1biip is a 24.5" VA monitor at 1920×1080 and 280 Hz. The listed aspect ratio is 1.778:1, 16:9. The backlight is listed as W-LED.

Best fit: straightforward office, media, or secondary-display use after checking resolution and refresh against the rest of the system.

Panel and image

Overall quality is 47.6, with 42.1 work and 64.5 play. Pixel density is listed at 89 PPI. Typical brightness is 250 nits. Contrast is listed as 3000:1. The coating is Anti-glare/Matte (3H). The listed pixel count is treated as a 1080p-class work multiplier.

Color and HDR

No specific gamut coverage figure is recorded. Color depth is listed as 8-bit. HDR is listed as HDR10.

Motion and sync

Refresh is listed at 280 Hz. Pair this resolution with the GPU table before assuming native high settings.

Ergonomics and connectivity

Stand and mount options are listed as Tilt · VESA (100x100mm). Recorded inputs include 2 x HDMI 2.0, 1 x DisplayPort 1.4, 1 x 3.5 mm Audio Out.

Buying verdict

Overall quality is 47.6. Treat it as a practical screen and compare nearby monitors if color, refresh, or ergonomics matter more.

At the recorded Amazon price, quality / price is 73.2—an excellent value relative to nearby monitors.

Work / price is 64.8 and play / price is 69.5.

Display data

Full specifications

Panel, color, motion, connectivity, ergonomics, power, and value in one sheet.

General

Manufacturer
Acer
Monitor
KG251Q Z1biip
Launch price
Amazon price
$130
Amazon availability
Available
Price updated
Aug 30, 2026
Launch date
Jan 1, 2024

Panel

Size
24.5"
Panel type
VA
Resolution
1920×1080
Aspect ratio
1.778:1, 16:9
Pixel density
89 PPI
Brightness
250 nits
Contrast
3000:1
Viewing angles
178 ° (degrees) / 178 ° (degrees)
Backlight
W-LED
Coating
Anti-glare/Matte (3H)

Color & HDR

Color depth
8-bit
Colors
16777216
DCI-P3
sRGB
Adobe RGB
NTSC
HDR
HDR10
Local dimming
No

Motion

Refresh rate
280 Hz
Response time
Input lag
Adaptive sync

Connectivity

Inputs
2 x HDMI 2.0, 1 x DisplayPort 1.4, 1 x 3.5 mm Audio Out
Speakers

Ergonomics

Height adjustment
No
Pivot
No
Swivel
No
Tilt
Yes
VESA mount
Yes · 100x100mm

Power & value

Typical power
Max power
Overall
47.6
Work
42.1
Play
64.5
Quality / price
73.2
Work / price
64.8
Play / price
69.5

Additional information

Features
AMD FreeSync Premium, Blue Light Filter, Flicker-free technology, Game View, ZeroFrame Design
Accessories
HDMI cable
Amazon warranty
3 year parts and labor
Amazon dimensions
{'width': 21.93, 'height': 16.9, 'length': 8.67, 'weight': None}

Extracted notes sit here. Amazon listing copy, when present, is at the bottom of the page.

Amazon

Price history

Nearby quality

Similar monitors

VA monitors close to KG251Q Z1biip on overall quality. Open the monitor table to sort, filter, and compare side by side.

LG 24U411A 23.8" · VA · 1920×1080 · 120 Hz
44.8
60.6
89.6
LG 27U421A 27" · VA · 1920×1080 · 100 Hz
44.9
58.3
68.6
LG 24U421A 23.8" · VA · 1920×1080 · 100 Hz
46.0
61.0
66.2
BenQ EX240N 23.8" · VA · 1920×1080 · 165 Hz
48.1
67.3
85.7
Gigabyte GS27FC 27" · VA · 1920×1080 · 180 Hz
48.9
65.7
61.1
MSI G27C3F 27" · VA · 1920×1080 · 180 Hz
49.3
66.6
53.8
Compare these in the monitor table

Discussion

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Vendor copy

Amazon listing details

Marketplace feature text kept for reference. Structured specifications above are the source for scores and comparisons.

Quality Visuals: The KG251Q 24.5" monitor with 1920 x 1080 Full HD resolution in a 16:9 aspect ratio presents stunning, high-quality images with excellent detail. The zero-frame design does away with the thick frames found on conventional monitors freeing up precious screen space.

AMD FreeSync Premium Technology: Say “goodbye” to stuttering and tearing. With AMD FreeSync Premium, the monitor’s frames are synced with the graphics card’s frames, which eliminates screen tearing and provide the smoothest gaming experience.

Fast Refresh Rate: With up to 280Hz refresh rate speeds up the frames per second to deliver an ultra-smooth 2D motion scene. With a rapid refresh rate of 280Hz, Acer Monitors shorten the time it takes for frame rendering, lower input lag and provide gamers an excellent in-game experience.

Responsive : Fast response time of 1ms enhanced gamers’ in-game experience. No matter the fast-moving action or any dramatic transitions will be all rendered smoothly without the annoying effects of smearing or ghosting.

ZeroFrame Design: With a Nitro KG251Q monitor, you’ll want to see as much of the display as possible. Get more monitor real estate with the near bezel-less design, allowing you to see more and do more. The ZeroFrame design lets you place multiple monitors next to each other for a seamless, almost uninterrupted view.