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In-Win K3 NUC Chassis



Intel NUC MB with I/O Shield Support

2D Camera

Internal Wi-Fi Antenna 2X

Internal Wireless Compatible USB Expansion Ports

2 DB-9 Rear Panel Openings for Internal USB- Serial Converters

Supports Internal 2.5” SATA HDD

mSATA to SATA Adapter

Connects the SATA HDD to NUC board.


Security is a constant need for computer systems. Whether it is as simple as keeping prying hands from getting inside the system to preventing theft the ULTRATOP® products were designed to provide a security solution.

Pad lock security:The ULTRATOP® products support a pad lock to secure the outer cover in place and prevent access to the inside of the system. The pad lock security can also be used with the optional security mounting plate to provide theft prevention for the whole system.

The ULTRATOP® products also provide support for the Kensington lock systems.

AC Adapters

The ULTRATOP® products are powered by 19VDC external AC adapters. Available in 65 Watt capacities the AC Adapters feature changeable power tips to support motherboards with different DC power connections. Both adapters are ErP Lot 6 compliant and support 100-240V AC input.

Rear Panel Openings

The K3 has 2 DB-9 rear panel openings for Internal USB - serial converter.

Removable Motherboard I/O Shield.

K3-I/O with Replaceable I/O Modules

The K3-I/O utilizes USB to I/O bridge technology to allow support for the following modules:

  • Quad RS232 Serial Ports
  • Dual 10/100/1000 Ethernet Ports
  • Six USB 2.0 Ports - Two Serial & One Parallel Ports
  • Custom modules available on request

Built-in Cabling

The ULTRATOP® products feature built-in peripheral cabling. This allows for quick assembly or servicing.


The ULTRATOP® products feature front panel USB connections that are easy to access when connecting up a USB device. The K3 supports one top USB 2.0 connections.

The K3-Haswell Version supports one top USB 3.0 and also have a HD Audio connections for a microphone input and a headphone output.

Monitor Mounting Bracket

Supports VESA (75 or 100mm) monitor mounting bracket.

Desktop/wall security mounting plate prevents theft/tampering.



K3 / K3-Haswell

MB Form Factor

Intel NUC


• Supports D33217GKE, D53427RKE and DCP847SKE via


In Win supplied I/O shields




Intel Wilson Lake NUC (Haswell) MB Series


• Supports D54250WYB, D34010WYK via In Win supplied


I/O shields

Device Configurations

Internal: 2.5" SATA HDD x 1

I/O Ports

Front: USB 2.0 x 1 or USB 3.0 x 1, HD Audio (Haswell Version Only)


*USB 3.0 on boards with front panel USB 3.0


*Front panel individual audio connections on supported boards


Internal: USB 2.0 Expansion Port x 2 (Optional)

Power Supply

65W External 19V AC Adapter


(100-240V, Efficiency Level V, ErP Lot 6 Compliant)

Thermal Solution

Supplied with Intel NUC motherboard


Optional VESA (75 or 100mm) mounting brackets.


• Supports mounting the K3 behind the monitor or on top of


the monitor for access to web camera

Base Dimensions (HxWxD)

35 x 190 x 140 mm (1.4” x 7.5” x 5.5”)


Padlock Cover Lock, Kensington Lock Slot


‧1 or 2 Internal USB Expansion Ports


- Suitable for any wireless or other USB dongle type


device such as Flash drive, software key, Wireless NIC,


NFC Reader, etc.


‧Real time 2M Fix Focus Camera Module


- Supports the UVC (USB Video Class) & UAC (USB


Audio Class) driver free protocol


‧2 Rear Panel DB-9 Knock outs for Internal USB - Serial




‧VESA Compatible Rear Mounting Bracket


‧VESA Compatible Web Camera Style Mounting Bracket


‧Vertical Stand

No additional files, specification sheets, guides or documentation found for product.

Warranty: 12

Full manufacturers warranty details are available at the manufacturers (In-Win) web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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