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Optoma Technology UHD35STx 3600-Lumen 4K UHD Short-Throw DLP Home Theater and Gaming Projector

BH #OPUHD35STX • MFR #UHD35STX
2 reviews
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Optoma Technology UHD35STx 3600-Lumen 4K UHD Short-Throw DLP Home Theater and Gaming Projector
Key Features
  • Brightness of 3600 Lumens
  • 4K (3840 x 2160) Native Resolution
  • 0.5:1 Throw Ratio
  • 36 to 301" Image Size
Everyone in the family can take advantage of the cinematic capabilities of the UHD35STx 3600-Lumen 4K UHD Short-Throw DLP Home Theater and Gaming Projector from Optoma. At just over 3' away from a wall or projection screen, the UHD35STx is capable of projecting movies and TV shows at a huge 100" size in stunning 4K UHD resolution. Thanks to its 3600-lumen lamp, you can utilize this projector in fully lit rooms in your home. Gamers can also get in on the big screen action with support for a 240 Hz refresh rate and low 4 ms response time at a Full HD 1080p resolution. These technologies work together to provide smooth fast-paced gameplay without any lag.
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Optoma Technology UHD35STx Overview

Everyone in the family can take advantage of the cinematic capabilities of the UHD35STx 3600-Lumen 4K UHD Short-Throw DLP Home Theater and Gaming Projector from Optoma. At just over 3' away from a wall or projection screen, the UHD35STx is capable of projecting movies and TV shows at a huge 100" size in stunning 4K UHD resolution. Thanks to its 3600-lumen lamp, you can utilize this projector in fully lit rooms in your home. Gamers can also get in on the big screen action with support for a 240 Hz refresh rate and low 4 ms response time at a Full HD 1080p resolution. These technologies work together to provide smooth fast-paced gameplay without any lag.

UPC: 796435814533

Optoma Technology UHD35STx Specs

Key Specs
Display System
DLP
Resolutions
Native: 3840 x 2160
Maximum Brightness
3600 Lumens
Throw Ratio
0.5:1
Projection Size
36.43 to 300.53" / .93 to 7.63 m
HDR Support
No
Audio/Video I/O
3.5 mm / HDMI / Optical
Light Source
Lamp
Image Display
Display System
DLP
Resolutions
Native: 3840 x 2160
Maximum Brightness
3600 Lumens
Uniformity
80%
Offset
116%
Aspect Ratio
Native: 16:9
Supported: 4:3
3D Support
Yes: Frame Packing
Scan
Horizontal: 31 to 135kHz
Vertical: 24 to 120Hz
Lens
Includes Lens
Yes
Focal Length
7.51mm
Lens Shift
Yes: Vertical + 0.1%
Throw Distance
Short Throw: 15.75 to 129.92" / 40.01 to 330 cm
Throw Ratio
0.5:1
Projection Size
36.43 to 300.53" / .93 to 7.63 m
Features
Keystone Correction
Yes: Vertical/Horizontal ± 40°
HDR Support
No
Zoom
Yes: 1x Optical
Multi-Input Support (PIP/PBP)
No
Ceiling Mountable
No
Front/Rear Projection
Front
Built-In Speakers
Yes: 1x 10 W
Input/Output Connectors
Audio/Video I/O
2x HDMI 2.0 Audio/Video Input
1x 1/8" / 3.5 mm Mini Audio Output
1x TOSLINK (Optical) Audio Output
Other I/O
1x USB-A (Power)
1x DE-9/DB-9 (RS-232) Input
1x 12 V Trigger (Control) Output
HDCP Support
No
Media/Memory Card Slot
No
Hardware
Mobile App Compatible
No
Wireless
No
General
Light Source
Lamp
Expected Lamp Life
Full Brightness: 4000 Hours
Low Brightness: 10,000 Hours
Fan Noise
Medium Brightness: 24 dB
Full Brightness: 28 dB
Security
Yes, Cable Lock Slot
Password Protection
Security Bar
Input Power
100 to 240 VAC, 50 / 60 Hz
Power Consumption
Full Brightness: 320 W
Low Brightness: 220 W
Standby Mode (Lamp Off): 0.5 W
Dimensions (W x H x D)
12.4 x 4.6 x 10.6" / 315.0 x 118.0 x 270.0 mm
Weight
8.77 lb / 3.98 kg
Packaging Info
Package Weight
10.4 lb
Box Dimensions (LxWxH)
15.6 x 14.9 x 6.6"

Optoma Technology UHD35STx Reviews

Excellent Picture

By Christopher
Rated 5 out of 5
Date: 2024-12-16

Going from the old bulb optima from 8 years ago to this is a huge upgrade. Looks excellent.

Great picture

By Bruce
Rated 5 out of 5
Date: 2023-11-09

Great picture, these are not even 4K yet. 1 with lights on and 1 in darkness. Projector has amazing picture, but some limitations on where it can be placed, cannot be very far from center.

See any errors on this page?

Ceiling mount?

Ceiling mount?
Asked by: John
The Optoma Technology UHD35STx 3600-Lumen 4K UHD Short-Throw DLP Home Theater and Gaming Projector (B&H # OPUHD35STX) can be ceiling mounted. A full list of compatible ceiling mounts can be found at the following link: https://bhpho.to/3DWvgN6.
Answered by: Teddy B
Date published: 2025-01-15

Is this projector real 4k or px shift?

Is this projector real 4k or px shift?
Asked by: Wiebren
The Optoma Technology UHD35STx 3600-Lumen 4K UHD Short-Throw DLP Home Theater and Gaming Projector B&H # OPUHD35STX has a native resolution of 3840 x 2160. In the world of 4K UHD resolution projectors consumer line, the projector achieves this resolution by using a technology called “pixel shifting.”
Answered by: John J
Date published: 2025-07-11
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