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Optoma

Optoma UHD35STx Short Throw True 4K UHD Gaming and Home Entertainment Projector 3,600 Lumens 240Hz Refresh Rate and Ultra-Low 4ms Response Time

  • Based on 428 reviews
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Availability: In Stock.
Fulfilled by Amazon
Arrives Saturday, May 16
Order within 9 hours and 56 minutes
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Style: 3600 Lumens, Short Throw


Features

  • TRUE 4K ULTRA HD: Experience high-quality home cinema with 8.3 million distinct addressable on-screen pixels
  • FAST GAMING RESPONSE: Enjoy ultra-fast 240Hz gaming for blur-free visuals and unparalleled smoothness with a response time of just 4ms at 1080p
  • SHORT THROW FOR FLEXIBLE SETUP: The UHD35STx is designed to be placed closer to the wall than standard throw projectors. Project a 100 image from just over three feet away and create an immersive experience in just about any space
  • ULTRA HIGH CONTRAST RATIO: A 1,000,000:1 contrast ratio provides clarity and detail in both bright and dark scenes

Description

Immerse yourself in a world of Ultra HD gaming, live sports and TV shows. The UHD35STx delivers impressive bright 4K UHD high-quality images, lightning-fast input lag as low as 4.2ms and a high refresh rate of 240Hz - perfect for a competitive gaming advantage. Featuring a short throw lens, it can be placed just a few feet away from the projection area while creating a supersized 100" image.

Brand: Optoma


Recommended Uses For Product: Gaming


Special Feature: 4K UHD, Short Throw Projection


Connectivity Technology: HDMI, USB


Display resolution: 3840 x 2160


Additional Features: 4K UHD, Short Throw Projection


Connectivity Technology: HDMI, USB


Native Resolution: 3840 x 2160


Display Resolution Maximum: 3840 x 2160 Pixels


Display Type: DLP


Form Factor: Portable


Mounting Type: Tabletop Mount


Brightness: 3600 lumen


Color: White


Wattage: 310 watts


Controller Type: Remote Control


Compatible Devices: Gaming Console, Television


Contrast Ratio: 10000001


Maximum Throw Distance: 3.3 Meters


Light Source Operating Life: 10000 Hours


Maximum Image Size: 300 Inches


Lamp Wattage: 240 Watts


Voltage: 240 Volts


Hardware Connectivity: HDMI, USB


Control Method: Remote


Minimum Throw Distance: 0.4 Meters


Minimum Image Size: 36.43 Inches


Video Encoding: HEVC


Picture Quality Enhancement Technology: UltraDetail technology


Brand: Optoma


Antenna Location: Gaming


Built-In Media: UHD35STx, AC power cord, remote control, 2x AAA batteries, basic user manual


Model Name: UHD35STx


Model Number: UHD35STx


UPC: 796435814533


Manufacturer: Optoma Technology Inc


Warranty Description: 1 Year limited parts and labor warranty on the projector, 90 days lamp warranty


Item Dimensions L x W x H: 12.4"L x 10.63"W x 4.53"H


Item Weight: 10.3 Pounds


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, May 16

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Great projector!
It's a really good projector if you want a huge screen. I get a 190" picture that covers my whole wall from 7' distance, and this is priceless. It also provides a great contrasty HDR. Better than some other DLP projectors I tried, and very close to my 4K HDR DisplayHDR 600 certified 32" screen. It does need some tuning though. I have a yellowish drywall. It's not a dedicated screen, low gain, so my settings are: Brightness: 5, Contrast: 9, Sharpness: 9, Color: 50, HDR/HLG: Auto, HDR Picture Mode: Bright, HDR Strength: 9, Brightness Mode: Bright, BrilliantColor: 10 I also tuned colors a little to negate yellow tint of my 'screen': Color Temperature: D75, Wall Color: Off, Red: -6 13 18, Cyan: 10 0 20, Yellow: -19 3 15, Magenta: 21 0 20. Don't forget to switch on 10 bit on your source too (I have Fire Stick 4K). And if you're on Apple TV switch Chroma to 4:2:2 (makes a huge difference, but you also need an HDMI 2.1 cable) It took me quite some time to figure out those, maybe it helps others. What I like about the picture that it gives you a depth sense. I tried some other brands, picture looked too flat. And even before tuning colors I liked its color reproduction. 5 stars, I really enjoy watching 4K/2160p movies on it. The games look great too, haven't tried Gaming mode, only using 4K/60fps and it's working out even for really hard and fast pacing games like Returnal (using Moonlight streaming over a gigabit ethernet). The cons are: slow menu (not a big deal), bad contrast out of the box, picture little darker than 3,600 Lumens. ... show more
Reviewed in the United States on August 8, 2023 by A. SF.
    • Replacement lamp issue
On first test unit unit appears good. However, major lamp outlets advised that replacement Optoma lamp is no longer available. Lamp number is not listed in owner's manual.
Reviewed in the United States on March 13, 2026 by Peter B
    • Price for quality!
Absolutely amazing picture. Bright, crisp, and the short-throw lens works perfectly in smaller spaces. Runs quiet, easy to mount, and handles gaming/movies/golf sim equally well. Worth every penny for a home setup. Used it on my golf simulator provided by gosport (highly recommend for the price) Lots of adjustability and customization on the screen. For the price compared to others it was totally worth it. ... show more
Reviewed in the United States on September 4, 2025 by Rey
    • UHD35STX: Disappointed
Disappointed with the Product and Extremely Poor Customer Support I was initially satisfied with the UHD35STx projector — it worked well for about 20 days. However, it soon started showing display issues, with constant green and red lines appearing at the bottom of the screen initially adjusted after turning on game mode on/off Shortly after, the projector began making loud noises, even when in Eco mode. Sometimes, it would make a sudden, blast-like sound when shutting down, which was alarming. I reached out to Amazon support, but the experience was extremely frustrating. They only focused on the return window and offered no real help or solutions. Despite the listing claiming “product support included,” there is absolutely no meaningful support provided. I’m currently not satisfied with this product and extremely disappointed with the overall customer support experience ... show more
Reviewed in the United States on April 14, 2025 by Rohit
    • Definitely NOT 4k
Picture looked alright. I tried to watch football but the picture didn’t look so nice. The green of the grass wasn’t very deep or rich.
Reviewed in the United States on September 3, 2023 by Amazon Customer
    • Does the job from a short distance
I have this projector mounted to the ceiling about 5 feet 3 inches from screen which is projecting a 130 inch diagonal image. Does the job well, no major issues. My only complaint or note is that you need to account for the offset height and take it into consideration how high or low the picture will appear on your screen area. Since it doesn't have lens shift, you have to be sure about where your image will appear on the target area. ... show more
Reviewed in the United States on January 18, 2023 by anonmyous
    • Totally Junk!
its defective right from the moment I opened the box and started using....once I turned on, the projection was upwards to my ceiling even the projector was placed on table, tried alot to project straight but did not work and once i plugged my fire stick screen started flickering....not sure how people getting to use these Optoma projectors...very low quality projector i ever came through and considering the price point its a big joke...you do not see any details on the projector like model number etc., remote looks and feels very cheap and no branding nothing....I have returned the same day I received so you can just imagine how horrible my experience was...Optoma never ever! ... show more
Reviewed in the United States on November 10, 2024 by RBK
    • Missing Aspect Ratio Defect
Got a defective unit that was missing one of the aspect ratio selection, just happened to be the one I need & was on my old Optoma projector. I spent 2 days trying to get things to work before I called their tech support who told me it was defective & to send back to Amazon or them. Very disappointing! So much frustration! ... show more
Reviewed in the United States on July 22, 2025 by Whirling World

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