View source for DPVR E3 4K

{{Device Infobox
|image =
|VR/AR = [[Virtual Reality]]
|Type = [[Head-mounted display]]
|Subtype = PC VR
|Platform = [[PC]], [[SteamVR]]
|Creator = [[DPVR]]
|Announced =
|Release = 2019
|Price =
|Website = https://www.dpvr.com
|OS = Windows
|CPU = Intel i5-4590 or AMD FX8350+
|GPU = NVIDIA GTX 970 or AMD R9 290+
|Storage =
|RAM Req = 4 GB+
|Display = 5.5" JDI Fast LCD
|Resolution = 3840 x 2160 (1920 x 2160 per eye)
|Refresh = 72/75 Hz
|Brightness =
|PPI = 818
|FOV =
|PPD =
|Lenses = Fresnel
|IPD = 54-74mm (adjustable)
|Eye Tracking =
|Hand Tracking =
|Tracking = 3DoF (6DoF with NOLO)
|Spatial Mapping =
|Speakers =
|Microphone =
|Audio Jack = Yes
|Connectivity = HDMI
|Ports = HDMI, USB
|Battery =
|Weight =
|Materials = Leather face sponge
|Colors =
|Sensors =
|Input = NOLO controllers (optional)
}}

The '''DPVR E3 4K''' is a PC-tethered [[virtual reality]] [[head-mounted display]] developed by [[DPVR]]. Released in 2019, the E3 4K features a razor-sharp 4K resolution display with 3840 x 2160 pixels, targeting enterprise applications including education, training, and simulation. The headset is part of DPVR's E3 series designed for business environments with durable construction and support for multi-headset deployments.<ref name="dpvr">{{cite web|url=https://www.dpvr.com/en/product/e3-4k-vr-headset/|title=DPVR E3 4K|publisher=DPVR}}</ref>

== History and Development ==

=== DPVR Enterprise Focus ===
DPVR (DeePoon VR) has focused on enterprise VR solutions, with headsets deployed by leading brands across education, training, simulation, and business sectors worldwide.

=== E3 Series ===
The E3 4K is part of DPVR's E3 series of PC-tethered headsets, offering various resolution and tracking options for different use cases.

== Design and Hardware ==

=== Display System ===
The E3 4K features a high-resolution JDI display:
* '''Resolution:''' 3840 x 2160 total (1920 x 2160 per eye)
* '''Screen Size:''' 5.5 inches
* '''Display Type:''' JDI Fast LCD
* '''Pixel Density:''' 818 PPI
* '''Refresh Rate:''' 72-75 Hz

=== Optical System ===
* '''Lens Type:''' Fresnel lenses
* '''Design:''' Optimized to reduce stray light and halo effects
* '''IPD Range:''' 54-74mm adjustable

=== Comfort ===
* '''Head Strap:''' Ergonomic rubber head belt with spring mechanism
* '''Face Interface:''' Comfortable leather face sponge
* '''Weight Distribution:''' Optimized for reduced pressure during extended use

== Tracking Options ==

=== Standard Mode ===
3DoF (three degrees of freedom) head tracking.

=== 6DoF Upgrade ===
Compatible with NOLO VR tracking system:
* Room-scale positional tracking
* Motion controllers
* Position accuracy: less than 2mm
* Latency: less than 20ms

== Software Compatibility ==

=== Platforms ===
* SteamVR
* VIVEPORT
* DK1/DK2 compatibility via DPVR assistant (DK mode)

=== Enterprise Features ===
* Broadcasting content to multiple headsets
* Group training and presentations
* Hardware customization and OEM supply
* Designed for heavy-duty business use

== System Requirements ==

{| class="wikitable"
|-
! Component !! Recommended
|-
| OS || Windows 10 64-bit
|-
| CPU || Intel i5-4590 or AMD FX8350+
|-
| GPU || NVIDIA GTX 970 or AMD R9 290+
|-
| RAM || 4 GB or higher
|}

== E3 Series Variants ==

DPVR offers multiple E3 models:
* '''E3C:''' Entry-level model
* '''E3B:''' Business-focused variant
* '''E3 4K:''' High-resolution 4K model
* '''E3 GC:''' Gaming combo with NOLO tracking

== Specifications ==

{| class="wikitable"
|-
! Specification !! Details
|-
| Display || 5.5" JDI 4K Fast LCD
|-
| Resolution || 3840 x 2160 (1920 x 2160 per eye)
|-
| Pixel Density || 818 PPI
|-
| Refresh Rate || 72-75 Hz
|-
| Lenses || Fresnel
|-
| IPD || 54-74mm adjustable
|-
| Tracking || 3DoF (6DoF with NOLO)
|-
| Connectivity || HDMI, USB
|-
| Target Market || Enterprise
|}

== See Also ==
* [[DPVR]]
* [[DPVR E3C]]
* [[DPVR E3B]]
* [[DPVR M2 Pro]]
* [[NOLO VR]]
* [[Enterprise VR]]
* [[PC VR]]

== References ==
{{Reflist}}

[[Category:Devices]]
[[Category:VR Headsets]]
[[Category:Head-mounted displays]]
[[Category:PC VR]]
[[Category:4K VR]]
[[Category:Enterprise VR]]
[[Category:DPVR]]
[[Category:2010s VR]]