Acer EI491CRP Sbmiiiphx Full specification, price, review, comparison

The Acer EI491CRP is a stunning 49-inch monitor that was released in 2021 and has a maximum resolution of 38401080 pixels. It is an excellent choice monitor for both gamers and anyone trying to increase their efficiency at work.


The Acer EI491CRP is a 49-inch solid ultra-wide monitor that’s based on a VA panel and covers 90% DCI-P3 color gamut. This display monitor has a 9.52% screen-to-body ratio, 81 PPI density, and supports 8-bit color depth. The 3840×1080 resolution and 32:9 aspect ratio make it equivalent to two 1080p displays put side by side.

The image quality of this LCD monitor is excellent. Its colors shine through and stand out. It features a brightness of 400 nits and a contrast ratio of 3000:1. Because of the contrast ratio, you get blacks that look deeper and whites that look brighter, resulting in images that are neither saturated or washed out, but rather well balanced.

Furthermore, the Acer EI491CRP’s screen features a 1800R curvature, which makes gaming and viewing movies more immersive. The Acer EI491CRP also offers a DisplayHDR400 certified display, a 178-degree wide viewing angle, and a 4 ms minimum response time. This display monitor’s screen has a matte anti-glare coating that diffuses any reflections that appear on it. This monitor’s panel uniformity is adequate overall. There are some discrepancies around the edges, but it’s OK.


The Acer EI491CRP has a straightforward design. It’s made of matte black plastic. This monitor has thin bezels that increase the viewing area. This monitor’s build quality is adequate. It’s constructed of tough plastic. Its V-shaped stand takes up a lot of desk space. It does wobble from time to time, but if you have a stable desk, you’ll be alright.

In terms of ergonomics, it only has 5° to 15° forward and backward tilt functionality. You can swivel it 15 degrees, adjust the height, and rotate it. It does, however, support a Vesa pattern of 7575 mm, allowing you to mount the monitor on the wall. The Acer EI491CRP has four OSD buttons on the bottom bezel that can be used to traverse the menu.

The Acer EI491CRP comes with a variety of connectivity options, including an 11.2 Display port, 13.5 Audio out, 21.4 HDMI, 12.0 HDMI, 23W audio speakers, and a 3.5mm headphone jack.You can still utilize external speakers if you want to view movies or play games on the monitor.


Picture-in-Picture (PIP) and Picture-by-Picture (PBP) capabilities on the Acer EI491CRP help you maximize your efficiency at work. Other features include Flicker-free technology, Acer Adaptive Contrast Control, Acer EcoDisplay, and a Blue Light Filter to reduce eye strain when using the computer for an extended period of time.


The Acer EI491CRP has a lot of functions for gamers. The native refresh rate of this display is 120Hz. You can safely overclock it to 144Hz using a DisplayPort. It also has Freesync refresh rate support. This reduces stuttering and screen tearing while also improving your game experience. You can also use it with Nvidia graphics cards with no problems.

For this display, the response time of 4ms and input lag of roughly 10ms are adequate. The Acer EI491CRP is ideal for immersive single-player gaming, MOBAs, sim racing, and flight simulators. Its big curved screen will enhance its realism.

The Acer EI491CRP’s Picture-in-Picture feature allows you to partition your monitor into segments and assign programs to each one. This allows you to view multiple applications at the same time without having to switch between windows. Using the Picture-by-Picture feature, you can view inputs from two sources, such as Displayport and HDMI, on a single screen at the same time.


The Acer EI491CRP is one of the most reasonably priced monitors available. It includes a spreadsheet identical to its more expensive equivalents, but at a lower cost. The Sceptre C505B-QSN168, the Samsung 49-inch Odyssey G9, the Samsung CHG90, and the Dell Ultrasharp U4919DW are all similar monitors.


If you are looking around for a well-balanced 49-inch monitor for work, gaming, multimedia consumption, the Acer EI491CRP is worth looking into.

Year 2021
Brand Acer
Model Series EI1
Model Number EI491CR Sbmiiiphx
Alias EI491CRS
Size 49″ (inches)
Panel VA
DISPLAY Screen Size Class 49″ (inches)
Diagonal Size 49 in
124.5 cm
1244.6 mm
4.08 ft
Screen Width 47.08 in
119.6 cm
1195.78 mm
3.92 ft
Screen Height 13.24 in
33.6 cm
336.31 mm
1.1 ft
Display Curvature 1800
Display Type VA
Display Bit Depth 8 bits
Frame Rate Control No
Max Number of Colors 16777216
Bits 24
Screen Aspect Ratio 36:10
Screen Resolution 3840 x 1080
Screen Pixel Pitch 0.311 mm
Screen Pixel Density 81 ppi
Screen-to-Body Ratio 89.52 %
Backlight Source W-LED
DCI P3 90%
Screen Brightness 400 cd/m²
Static Screen Contrast 3000 : 1
Dynamic Screen Contrast 100000000 : 1
Screen Horizontal Viewing Angle 178 °
Screen Vertical Viewing Angle 178 °
Display Minimum Response Time 4 ms
Display Coating Anti-glare/Matte (3H)
DisplayHDR 400
3D No
SIZE, WEIGHT, COLOR Case Depth 6.77 in
17.2 cm
172 mm
0.56 ft
Case Weight 9.3 kg
20 lbs
Case Width with Stand 47.17 in
119.8 cm
1198 mm
3.93 ft
Case Height with Stand 17.2 in
43.7 cm
437 mm
1.43 ft
Case Depth with Stand 11.02 in
28 cm
280 mm
0.92 ft
Case Weight with Stand 11.3 kg
25 lbs
Case Color Black
HARDWARE Built-in Camera No
Connectivity 1 x DisplayPort 1.2
1 x 3.5 mm Audio Out
2 x HDMI 1.4
1 x HDMI 2.0
AUDIO Audio Speakers 2 x 3W
FEATURES Cool Features AMD FreeSync Premium Pro
Blue Light Filter
ZeroFrame Design
Flicker-free technology
Acer Adaptive Contrast Management
Acer EcoDisplay
ERGONOMICS Case Width 47.17 in
119.8 cm
1198 mm
3.93 ft
Case Height 14.76 in
37.5 cm
375 mm
1.23 ft
Vesa Mount Support Yes
VESA Interface Standard Size 75 x 75
Removable VESA Stand Yes
Height Adjustment Yes
Height Adjustment Range 95 mm
9.5 cm
3.7402 in
0.3117 ft
Landscape or Portrait Pivot Support No
Left or Right Swivel Support Yes
Left Swivel 15 °
Right Swivel 15 °
Forward and Backward Tilt Support Yes
Forward Tilt 5 °
Backward Tilt 15 °
FREQUENCY AND INTERPOLATION Vertical Digital Frequency 48 Hz – 144 Hz
Horizontal Digital Frequency 53.53 kHz – 160.56 kHz
Screen Interpolation Measurement Unit NULL
POWER 110V 100 V – 120 V
220V 220 V – 240 V
AC Frequency 50 Hz – 60 Hz
Power Consumption When Device is Off 0.35 W
Power Consumption in Sleep Mode 0.45 W
Average Power Consumption 49.6 W
Maximum Power Consumption 90 W
ACCESSORIES Extras DisplayPort cable
TCO Certified Displays
USAGE AND STORAGE REQUIREMENTS Safe Operating Temperature Level 5 °C – 35 °C
41 °F – 95 °F
Safe Operating Humidity Level 20 % – 80 %
Acer EI491CRP Review
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