Are there Dead pixels

I've had mine just long enough to be outside of the warranty coverage and I've developed 4 dead pixels (more to come). When I contacted Optoma they told me I can send it back to be repaired but it'll be out of my pocket. Typically the part that goes bad on these is what's called the DMD chip and Optoma informed me it'll be around $800 just for the part if that is the case before labor. If you search the web this is a common problem which is frustrating since this isn't a normal $400-600 projector. I've heard laser projectors aren't as bad since they aren't the same setup, but they'll also cost you twice as much.

Does it have video quality upscaling capablility? to improve 1080p source video.

Yes, it has upscaling. It can upscale to 4k UHD.

Can you use low 4ms response game mode and HDR at the same time?

No. The HDR is for 4k mode only.

Does this projector have a tripod mount on the bottom?

Thank you for your interest in the UHD35STx. This projector does have a triangular mounting pattern on the bottom. If you have any further questions, please contact Optoma technical support at 888-289-6786 Monday - Friday 6 AM - 5 PM PST for further assistance.

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Optoma True 4K UHD Gaming Projector, 3600 Lumens, Long Throw

Product ID: 503348371

Details

Brand
Optoma
Connectivity Technology
HDMI USB
Display resolution
3840 x 2160
Recommended Uses For Product
Gaming
Special Feature
Portable

🎮4.2ms ultra-low input lag

💡3600 lumens brightness

📺True 4K UHD resolution

Description

🎥 Elevate your entertainment—because your screen deserves to be legendary.

MASSIVE CINEMATIC SCALE - Project up to 300 inches of stunning 4K UHD visuals for immersive movie nights and epic game sessions.
PLUG PLAY VERSATILITY - Seamlessly connect gaming consoles, laptops, and smartphones with USB and RCA for instant entertainment.
DYNAMIC BLACK TECHNOLOGY - Experience deeper contrast and richer colors with advanced image enhancement for true-to-life visuals.
VIVID BRILLIANCE IN ANY ROOM - 3600 lumens deliver bright, vibrant images even in ambient light—no more waiting for nightfall.
COMPETITIVE EDGE WITH ULTRA LOW LAG - 4.2ms input lag and 240Hz refresh rate ensure lightning-fast response times for serious gamers.

The Optoma UHD35X is a portable 4K UHD DLP projector boasting 3600 lumens brightness, ultra-low 4.2ms input lag, and a 240Hz refresh rate. Designed for gamers and cinephiles alike, it projects up to 300 inches with Dynamic Black Image Technology for vivid, high-contrast visuals. Compatible with multiple devices and featuring a long-throw lens, it transforms any space into a premium home theater or gaming arena.

Specifications

ASIN	B0BGVC11W6
Additional Features	Portable
Antenna Location	Gaming
Best Sellers Rank	#288 in Video Projectors
Brand	Optoma
Brightness	3600 lumen
Built-In Media	UHD35x projector, quick start user manual, remote, batteries for remote, power cable
Color	White
Compatible Devices	Gaming Console, Laptop, Smartphone
Connectivity Technology	HDMI, USB
Contrast Ratio	1000000:1
Control Method	Remote
Controller Type	Remote Control
Customer Reviews	4.2 4.2 out of 5 stars (75)
Display Resolution Maximum	3840 x 2160 pixels
Display Type	DLP
Form Factor	Portable
Hardware Connectivity	USB
Item Dimensions L x W x H	10.6"L x 12.4"W x 4.6"H
Item Type Name	4K Gaming Projector
Item Weight	8.8 pounds
Lamp Wattage	240 watts
Light Source Operating Life	4000 hours
Manufacturer	Optoma Technology Inc
Maximum Image Size	300 inches
Maximum Throw Distance	32 feet
Mfr Part Number	UHD35x
Minimum Image Size	33 inches
Minimum Throw Distance	4 feet
Model Name	UHD35x
Model Number	UHD35x
Mounting Type	Ceiling Mount
Native Resolution	3840 x 2160
Number of Items	1
Picture Quality Enhancement Technology	Dynamic Black Image Technology
Projector Maximum White Brightness	3600 ansi_lumens
Software Update Supported to Date	unknown
UPC	796435814397
Video Encoding	HDR10
Voltage	100 volts
Warranty Description	1 Year limited parts and labor warranty on the projector, 90 days lamp warranty
Wattage	50 watts

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