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Economical RAID expansion enclosure for Turbo NAS


The most economical way to expand your Turbo NAS storage

When expanding data storage capacity, deploying multiple servers can lead to complexity in management and dramatically increased cost. The QNAP UX-500P expansion enclosure is a budget-friendly expansion alternative designed with easy setup in mind for expanding the total storage space of your Turbo NAS for general applications. By connecting one expansion enclosure, the UX-500P offers a hassle-free storage expansion for home/small office use. The UX-500P provides additional 5 hard drives for the Turbo NAS and allows for a total expansion raw capacity of 40 TB* making it especially useful for data backup, digital media collection, and video surveillance.


  • Easily add additional drive capacity to a Turbo NAS
  • Missing mode protection
  • Flexible RAID Configuration by QTS Storage Manager
  • An excellent backup solution for Turbo NAS
  • Smart power design
  • Excellent hardware design

Easily add additional drive capacity to a Turbo NAS

Simply connect the UX-500P to a Turbo NAS* and power it on. The Turbo NAS will automatically detect the hard drives in the UX-500P as newly installed local drives. The Turbo NAS capacity can then be expanded as a large volume seamlessly and economically by using the powerful QTS Storage Manager.
*QTS 4.1.0 or newer is required for the Turbo NAS.

UX-500P 010

*Supported Turbo NAS models and maximum number of applicable expansion enclosures.

Supported Turbo NAS models TS-253A
TS-253 Pro
TS-453 Pro
TS-653 Pro
Maximum number of connected UX series expansion unit 1 1 1
Maximum number of hard drives 7 9 11
Maximum raw capacity 56 TB 72 TB 88 TB
Maximum RAID group size 144 TB#
Maximum number of RAID groups 128
Maximum Volume size 144 TB#
Maximum iSCSI LUN size 144 TB#
Supported Turbo NAS models TS-853A
TS-853 Pro
TS-453S Pro TS-853S Pro
Maximum number of connected UX series expansion unit 1 1 1
Maximum number of hard drives 13 9 13
Maximum raw capacity 104 TB 44 TB 48 TB
Maximum RAID group size 144 TB#
Maximum number of RAID groups 128
Maximum Volume size 144 TB#
Maximum iSCSI LUN size 144 TB#
Supported Turbo NAS models TS-531X
Maximum number of connected UX series expansion unit 2 2 2 2
Maximum number of hard drives 15 14 16 18
Maximum raw capacity 120 TB 112 TB 128 TB 144 TB
Maximum RAID group size 120 TB 112 TB 128 TB 144 TB
Maximum number of RAID groups 128
Maximum Volume size RAM < 4GB: 144 TB
RAM >= 4GB: 250 TB
Maximum iSCSI LUN size RAM < 4GB: 144 TB
RAM >= 4GB: 250 TB

# Requires NAS to have minimum 2GB RAM installed
Note: A separate volume should be created on the UX-500P after it is connected to the TS-x51, TS-x53 Pro, TS-x53S Pro series.
*The maximum capacity is calculated by using 8TB HDDs.

Missing mode protection

If your UX-500P is accidentally disconnected, the Turbo NAS enters missing mode and blocks I/O access to protect the stored data. The system can then recover from the missing mode to the normal state with data staying intact. MissingMode UX-X00P

Powerful QTS Storage Manager

The QTS Storage Manager neatly presents tools and options for managing system storage with a modern & intuitive graphical user interface, which greatly simplifies the process of NAS capacity expansion and UX-500P management. No matter if you are an IT administrator or Home user, you can easily monitor the health status of UX-500P and the disks within it. When multiple expansion enclosures are connected, the Locate Disk and Locate Enclosure functions assist you in quick maintenance*.
* Not applicable to TS-x51 & TS-x53 Pro & TS-x53S Pro series UX-500P 002

Flexible RAID Configuration

The UX-500P features 5 hot-swap drive bays for easy installation and removal. The automatic insertion/removable detection and rebuild allow easy management. Featuring RAID 0, 1, 5, 6 and 10 support and managed by the powerful QTS Storage Manager, the UX-500P ensures maximum performance and data security.

An excellent backup solution for Turbo NAS

The UX-500P can be used as a budget-friendly external storage to perform speedy and secure backup tasks for the Turbo NAS. The administrator can back up the Turbo NAS data to the UX-500P on a real time or scheduled basis. UX-500P 030

Smart power design

The UX-500P automatically powers on and off with your Turbo NAS, allowing for total convenience and energy saving. UX-500P 040

Excellent hardware design

The UX-500P includes a full 250W internal PSU to provide ample power even under sustained full load. The well-ventilated chassis and smart fan helps to provide efficient cooling for better stability and reliability, with the fan enabling efficient heat removal even when all 5 drives are under full operation simultaneously. UX fan


Hardware Spec.

UX-500P hardware01

* Testing Environment:
Refer to ISO 7779 ; Maximum HDD loaded ; Bystander Position ; Average data from 1 meter in front of operating NAS

Hard Disk Drive 5 x 3.5” or 2.5” SATA 6Gb/s, SATA 3Gb/s hard drive
1. The system is shipped without HDD.
2. For the HDD compatibility list, please visit
Hard Disk Tray 5 x Hot-swappable tray with key lock
RAID Management Yes, (via QNAP QTS Storage Manager)
USB 1 x USB 3.0 port (rear)
LED Indicator Power, Link, Status
LCD Panel Monochrome-LCD display with backlight
Secure Design Kensington security slot for theft prevention
Fan Quiet cooling fan (12 cm, 12V DC) x 1
Power Supply Unit Input: 100-240V AC, 50/60Hz Output: 250W
Dimension 185.2 (H) x 210.6 (W) x 235.4 (D) mm
7.29 (H) x 8.29 (W) x 9.27 (D) inch
Weight Net weight: 5.1 kg (11.24 lbs)
Gross weight: 6.5 kg (14.33 lbs)
Form Factor Tower
Sound Level* Sound pressure (LpAm): 25 dB(A)
Power Consumption HDD Standby: 18.90W
In Operation: 37.78W (typical)
Temperature 5°C ~ 35°C (40°F ~ 95°F)
Humidity 5~95% RH non-condensing, wet bulb: 27˚C.
Package Contents
  • UX-500P x 1
  • Quick installation guide x 1
  • Accessory pack x 1
  • AC power cord x 1
  • USB 3.0 cable x 1

*Designs and specifications are subject to change without notice.

Software Spec.

Expansion Enclosure Management

An expansion enclosure is managed using the QTS operating system of the NAS it is connected to. Once attached, an expansion enclosure will be displayed in Storage Manager of the attached NAS alongside a variety of management features. Please note that expansion enclosure functions may vary by QTS version. Below are some fundamental functions for expansion enclosures in QTS.

* QTS 4.1 (or newer) is recommended when using an expansion unit.

  • Expand the Storage Pool of the attached NAS or create separate Storage Pools & Volumes on expansion enclosures.
  • Check hard disk S.M.A.R.T. information, S.M.A.R.T. test and performance test report.
  • Easily locate/identify expansion units as well as individual hard disks installed within them.

The QTS Storage Manager comes with many advanced functions that have evolved with each version of QTS to provide easier and more efficient storage management. The following are some core applications or functions that are useful for expansion units:

  • Use the Dashboard to view system storage allocation or obtain an overview of space utilization by volume.
  • Move data to another QNAP NAS for data backup or recovery using QJBOD Express. 
  • Optimize performance and reduce costs by automatically allocating data to faster or higher-capacity storage media (based on usage frequency) using Qtier.

All features are subject to change based on different QTS versions or NAS models. Please refer to the software specifications of your respective NAS model.



Last Updated: Thursday, 30 June 2022 21:45

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