6 | About Your Monitor
DP cable
U2421HE Color Calibration Factory Report
Every Dell U2421HE is shipped incorporating pre-tuned
standard mode(sRGB) with average De lta-E ≤2.
This helps prevent significant color inc onsistency or
inaccuracy when content is displayed o nscreen.
In addition, a tighter grey-scale tracking on each U2421HE
helps enable ultra-smooth color gradation. The fac tory
measurements from this very unit are s hown here.
Be assured of Accurate, Precise a nd Consistent
Onscreen Color with eve
ry Dell U
ltraSharp U2421HE.
Serial No.
Tester
Test
Equipment
CN00WG2J7444572B046L
2008L0415
CA-210/CA-310
CA-2000S
Chroma 2326/2235/2233
Standard mode (sRGB) Avg. Delta E ≤ 2
Gray-Scale Tracking
Gamma
Note:
Calibrations were done according to Dell approved test pro cedures us ing calibrate d
equipment at the factory production line . This Report is provided only with and for this new Dell U2421HE
UltraSharp monitor. Results may vary wit h other test equ ipment, setups a nd test patterns . Please re tain this Report
for your reference as De ll is unable to reprod uce it or pro vide a du plicate.
•Quick Setup Guide
•Safety,Environmental,and
Regulatory Information
•Factory Calibration Report
Product Features
The Dell UltraSharp U2421HE/U2721DE monitor has an active matrix, thinfilm transistor
(TFT), liquid crystal display (LCD), and LED backlight. The monitor features include:
• U2421HE: 60.47 cm (23.8 in.) active area display (Measured diagonally) 1920 x 1080
(16:9) resolution, plus full-screen support for lower resolutions.
• U2721DE: 68.47 cm (27 in.) active area display (Measured diagonally) 2560 x 1440
(16:9) resolution, plus full-screen support for lower resolutions.
• Wide viewing angles with 99% sRGB color with an average Delta E<2.
• Tilt, swivel, pivot and vertical extension adjustment capabilities.
• Removable pedestal and Video Electronics Standards Association (VESA™) 100 mm
mounting holes for flexible mounting solutions.
• Ultra-thin bezel minimizes the bezel gap in multi-monitor usage, enabling easier set up
with an elegant viewing experience.
• Extensive digital connectivity with DP helps future-proof your monitor.
• Single USB Type-C to supply power to compatible notebook while receiving video
signal.
• USB-C and RJ45 ports enable a single-cable, network-connected experience.
• Plug and play capability if supported by your system.
• On-Screen Display (OSD) adjustments for ease of set-up and screen optimization.
• Power and OSD buttons lock.
• Security lock slot.
• 0.3 W standby power when in the sleep mode.
• Optimize eye comfort with a flicker-free screen.
NOTE: The possible long-term effects of blue light emission from the monitor may
cause damage to the eyes, including eye fatigue or digital eye strain. ComfortView
feature is designed to reduce the amount of blue light emitted from the monitor to
optimize eye comfort.