Is 280 Hz at 4K realistic?

Only with a strong GPU and DisplayPort or HDMI 2.1-class bandwidth. Expect to drop resolution or settings in demanding games to reach the highest frame rates.

How does it compare with a 4K 240 Hz OLED?

It offers a higher 280 Hz ceiling on a QD-OLED panel. The practical difference is small unless your GPU can push frames near that limit.

Is HDR400 good enough?

HDR400 is an entry HDR tier. The OLED contrast helps, but peak brightness is limited, so HDR looks better in dark scenes than in bright ones.

Should I worry about burn-in?

OLED can retain static images over long periods. Use screen dimming, pixel shift and screensavers, and avoid leaving the same HUD or taskbar on for hours.

The monitor and its cabling are listed with HDMI and DisplayPort connectors. Confirm the included cables and stand with the seller before ordering.

Do I need to scale Windows at 27 inches 4K?

Yes, most users set 125% to 150% scaling for comfortable text at this pixel density.

Where is the INNOCN 27" 4K QD-OLED HDR400 Gaming Monitor cheapest?

At innocn.com, for $779.49, as of our latest check.

INNOCN 27" 4K QD-OLED HDR400 Gaming Monitor

Best price now

$779.49at innocn.comChecked Nov 12

Prices are checked against each store and labelled with when.

Visit innocn.com

INNOCN 27" 4K QD-OLED HDR400 Gaming Monitor

Best price now

$779.49at innocn.comChecked Nov 12

Prices are checked against each store and labelled with when.

Visit innocn.com

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Price facts

Last seen at $779.49 at innocn.com on Nov 12.

Our take on the INNOCN 27" 4K QD-OLED HDR400 Gaming Monitor

The INNOCN 27" 4K QD-OLED is a 27-inch gaming monitor with a 3840x2160 QD-OLED panel, a 280 Hz maximum refresh rate and a rated 0 ms response time. It connects over HDMI and DisplayPort and carries an HDR400 rating. The combination of 4K resolution and 280 Hz is rare, and QD-OLED gives per-pixel contrast and fast motion that most 4K LCD rivals cannot match. It suits competitive players who want sharp detail and high frame rates, and buyers who value deep blacks over the brightest possible HDR. The trade-offs are typical of OLED: modest HDR brightness and the risk of burn-in with static content.

Best forCompetitive gamers who want 4K detail at high frame ratesPlayers upgrading from a 1440p or 4K LCD monitorBuyers who want OLED contrast for games and video

Pros

4K resolution at up to 280 Hz
QD-OLED panel with per-pixel contrast and deep blacks
Rated 0 ms response time for fast motion
HDR400 support
HDMI and DisplayPort inputs

Cons

HDR400 is modest for an OLED; highlights won't be very bright
OLED panels can suffer burn-in from static HUDs or desktop elements
27 inches at 4K means small text without scaling
No mention of USB-C or speakers

INNOCN 27" 4K QD-OLED HDR400 Gaming Monitor prices at every store

innocn.comNew
In stock
$779.49Checked Nov 12
Visit innocn.com

INNOCN 27" 4K QD-OLED HDR400 Gaming Monitor price history

Lowest price we've seen: $779.49 on Nov 12 at innocn.com. Tracked across 1 store since Nov 12.

About the INNOCN 27" 4K QD-OLED HDR400 Gaming Monitor

This INNOCN gaming monitor has a 27-inch 4K QD-OLED display with HDR400 support. It refreshes at up to 280 Hz, and its response time is 0 milliseconds.

It connects through HDMI and DisplayPort.

Brand: INNOCN
Screen size: 27 in
Display type: QD-OLED
Resolution: 4K
HDR: HDR400
Refresh rate: Up to 280 Hz
Response time: 0 milliseconds
Connectivity: HDMI, DisplayPort

Specifications

Display Type: OLED
Connector Type: HDMI, DisplayPort
HD Format: 4K
Size: 27 in
Maximum Refresh Rate: 280 Hz
Response Time: 0 milliseconds

Questions and answers

Is 280 Hz at 4K realistic?: Only with a strong GPU and DisplayPort or HDMI 2.1-class bandwidth. Expect to drop resolution or settings in demanding games to reach the highest frame rates.
How does it compare with a 4K 240 Hz OLED?: It offers a higher 280 Hz ceiling on a QD-OLED panel. The practical difference is small unless your GPU can push frames near that limit.
Is HDR400 good enough?: HDR400 is an entry HDR tier. The OLED contrast helps, but peak brightness is limited, so HDR looks better in dark scenes than in bright ones.
Should I worry about burn-in?: OLED can retain static images over long periods. Use screen dimming, pixel shift and screensavers, and avoid leaving the same HUD or taskbar on for hours.
What's in the box?: The monitor and its cabling are listed with HDMI and DisplayPort connectors. Confirm the included cables and stand with the seller before ordering.
Do I need to scale Windows at 27 inches 4K?: Yes, most users set 125% to 150% scaling for comfortable text at this pixel density.
Where is the INNOCN 27" 4K QD-OLED HDR400 Gaming Monitor cheapest?: At innocn.com, for $779.49, as of our latest check.