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White rectangular DLP projector with front lens and top controls

OPTOMA

OPTOMA UHD38x 4K UHD 4000 Lumens Business Projector

SKU CH-G93S-KR0HK MPN UHD38x

4K UHD DLP projector with 4000 lumens brightness, HDR and HLG support, 240 Hz refresh rate and 4.2 ms input lag for gaming

  • Screen diagonal33 in ~ 300 in diagonal
  • Image brightness4000
  • Power draw(standby) 0.5 W Power consumption (min) 220 W Power consumpt
  • Panel resolution4K UHD
  • Highest resolution3840 × 2160
  • Screen ratio16:9

Model UHD38x

  • 4K UHD resolution shows four times the detail of Full HD with 3840 x 2160 native pixels
  • 4000 lumens brightness keeps images vivid even with the lights on
  • 1080p at 240 Hz with 4.2 ms input lag gives responsive gaming performance
  • HDR and HLG compatibility reveal deeper contrast and richer colour detail
  • 5 – 1.66 throw ratio fits screen sizes from 33 to 300 inches diagonal

4K UHD 4000 Lumens Projector

The Optoma UHD38x is a DLP projector with native 3840 x 2160 resolution and 4000 lumens brightness. It supports HDR and HLG for improved contrast and colour depth. The 16:9 aspect ratio covers display sizes from 33 to 300 inches diagonal. Suitable for bright living rooms, home cinema and competitive gaming.

Low Input Lag Gaming Projector

A 4.2 ms input lag at 1080p 240 Hz gives responsive control for fast-paced titles. The 1,000,000:1 contrast ratio and 240 Hz refresh rate reduce ghosting during rapid motion. Full 3D compatibility adds frame-packed 1080p24 and 720p50/60 support. Two HDMI 2.0 inputs handle UHD, WQHD, FHD and legacy PC or Mac signals.

Standard Throw Lens Installation

Throw ratio ranges from 1.5:1 to 1.66:1 with a 15.84–17.42 mm focal length. Throw distance spans 47.64 to 389.76 inches for flexible placement. Vertical refresh covers 24 to 120 Hz and horizontal refresh 31 to 135 kHz. Lamp life reaches 4000 hours in Bright, 10000 in Eco and 15000 in Dynamic mode. Audio outputs include 3.5 mm and S/PDIF.

How it compares

Measured against everything we stock in Presentation Projectors, at today’s prices. Recalculated every night.

Price $1,577.99
Pricier than about 89% of the 608 comparable items (median $157.99).
Screen diagonal 33 in ~ 300 in diagonal
Lower than about 77% of the 141 comparable items (median 110 in).

Specifications

Product
Brand nameOptoma
Model nameUHD38x
Case colorWhite
Product typeDLP
Display
Screen diagonal33 in ~ 300 in diagonal
Image brightness4000
Panel resolution4K UHD
Highest resolution3840 × 2160
Screen ratio16:9
Contrast1,000,000:1
Horizontal scan rate31 to 135 kHz
Vertical frequency24 to 120 Hz
Projection ratio1.5:1 to 1.66:1
Projection distance47.64 in - 389.76 in
Light sourceLight source type Lamp
Lamp watts 240
Lamp lifespanHours (up to) 4000 (Bright), 15000 (Dynamic), 10000 (Eco)
Audio & video
Lens focal length15.84 mm~17.42 mm/0.624 in~0.686 in
Ports & slots
Video input typesPC compatibility UHD, WQHD, WUXGA, FHD, UXGA, SXGA, WXGA, HD, XGA,
SVGA, VGA, Mac
2D compatibility 480i/p, 576i/p, 720p(50/60 Hz), 1080i(50/60 Hz),
1080p(50/60 Hz), 2160p(50/60 Hz)
3D compatibility Frame-pack: 1080p24, 720p50 / 60
3D Full 3D
Video inputs2 x HDMI 2.0
Audio outputs1 x Audio 3.5 mm, 1 x S/PDIF
USB portsUSB-A power 1.5A
Power
Power draw(standby) 0.5 W
Power consumption (min) 220 W
Power consumption (max) 305 W
Power supply100 to 240 V, 50 to 60 Hz
Size & build
Product dimensions(W × D × H) 12.4 in × 10.63 in × 4.65 in
Product weightGross weight 10.32 lb
Net weight 8.77 lb
Shipping weight4.68 kg
Package size394 × 375 × 165 mm
In the box
In the boxIn the box AC power cord
Remote control
2x AAA batteries
Basic user manual
Environment & compliance
Temperature range5 °C to 40 °C/41 °F to 104 °F, max altitude 3000M/9843 ft, max
Humidity limitsMax. Humidity 85%
Operating noise(min) 24 dB
Noise level (max) 28 dB

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Questions about this item

What throw distance do I need for a 100-inch image?

The projector covers a throw distance of 47.64 to 389.76 inches, so a 100-inch diagonal falls well within that range.

Can I connect a gaming console and a PC at the same time?

Yes, there are two HDMI 2.0 inputs, so you can keep both devices connected and switch between them.

How long will the lamp last if I use the Eco setting?

In Eco mode the lamp is rated for up to 10000 hours before replacement is needed.

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