GIVE FEEDBACK

Generating Print Page

Asustor Xpanstor AS5004U 4-Bay Expansion Unit, 4x 3.5" /2.5" Bays, Tower, 1x Type C Includes Cable, 3 Years Warranty, for use with Asustor NAS Only

PB Tech price
PB Tech price
$ 523 .00
 +GST
$ 601 .45
 inc GST

Out of stock

Asustor Xpanstor AS5004U 4-Bay Expansion Unit, 4x 3.5" /2.5" Bays, Tower, 1x Type C Includes Cable, 3 Years Warranty, for use with Asustor NAS Only

  • Brand: Asustor
  • MPN: AS5004U
  • Part #: ENCAST5004
  • UPC:
NEW ARRIVAL
PB Tech price
$ 523 .00 $ 601 .45
 +GST  inc GST

No store stock available.

Click & Collect: Collect unavailable
Delivery: Out of stock When will I receive it?

Features

NAS Storage Capacity Expander

- Plug and play online expansion
- USB 3.2 Gen 2 Type C interface for 10 Gbps speed
- Compatible with high capacity 22TB hard disks
- Smart power sync helps to save power
- Smart fan for temperature control
- Supports MyArchive cold backup technology

Faster and Easier!

The all-new Xpanstor 4 adopts USB 3.2 Gen 2 with a Type-C socket. USB 3.2 Gen 2 transfers files even faster with the ability to transfer of up to 10 Gbps. The Xpanstor is also backward compatible with ASUSTOR NAS devices that support USB 3.2 Gen 1 and will operate at the 5 Gbps maximum those devices support. Use the Xpanstor to expand the capacity of your NAS to grow your workflow as needed.

MyArchive Welcome!

The Xpanstor 4 supports MyArchive cold storage technology. Directly insert a MyArchive hard drive into an available bay to access data, making data access extremely convenient. Use MyArchive to also set up schedules for backing up with automatic mounting and unmounting, making your backups simpler and more convenient.

Sleeps When Your NAS Sleeps

When a connected NAS enters sleep mode or shuts down, the Xpanstor will enter sleep mode simultaneously to save energy and hardware longevity. LED brightness in the Xpanstor 4 also synchronizes with your NAS, ensuring no bright lights when your NAS is off.

Operation

Disk Hibernation

Cool and Quiet

The internal fan found inside the Xpanstor 4 automatically adjusts its speed according to hard drive temperatures and maintains a balance between sound and performance.

Stable USB Connection

The Xpanstor 4 has a specially designed USB-C connector and cable. The cable included with your Xpanstor 4 locks in with your expansion unit with two screws on each side of the cable to lock it into the expansion unit to prevent it from being accidentally disconnected.

PC-Friendly!

The Xpanstor 4 works well as a DAS solution as well. Plug an Xpanstor into a computer to access up to four independent drives that can be used by a Windows, Mac or Linux machine for applications that include, but are not limited to storage, drive cloning and diagnostics.

Specifications

Hardware

Flash Memory

32MB Flash

Expansion

USB 3.2 Gen 2 (10Gbps) Type C

HDD

4 x SATA3 6Gb/s; 3.5"/2.5" HDD/SSD

Maximum Internal Raw Capacity

88 TB  (22 TB HDD x 4, Capacity may vary by RAID types)

Supports

Hot Swappable Drives

System Fan

120mm x1

Power Supply Unit / Adapter

90W x1

Input Power Voltage

100V to 240V AC

Certification

FCC, CE, VCCI, BSMI, C-TICK, BIS, KCC, EAC

Applied Models

AS31, 32, 40, 61, 62, 63, 64, Nimbustor, Nimbustor Gen2, Drivestor, Drivestor Pro, Drivestor Lite, Drivestor Pro Gen2, Lockerstor, Lockerstor Gen2, Lockerstor Pro, Flashstor

Operation

Power Consumption

Operation: 24.68 W
Disk Hibernation: 6.02 W

Operation Temperature

0°C~40°C (32°F~104°F)

Humidity

5% to 95% RH

Software & Features

Operating System

ADM 4.2.4 Onwards

File System

Internal Disk: EXT4, Btrfs

Size and Weight

Size

174(W)x170(H)x230(D) mm

Weight

2.03 kg / 4.48 lbs

Storage Management

Support

Multiple Volumes with Spare Drives
Support for Online RAID Level Migration
Support for RAID Capacity Expansion
Hard drives in an expansion unit cannot be combined with NAS drives in the same RAID array.

Volume Type

Single, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10

Manufacturer Part No:
AS5004U
Brand:
Product Type:
4-Bay Expansion Unit,
UPC
-
Product Family:
Xpanstor
Shipping Weight:
5 kg
PB Part No:
ENCAST5004
Product Model:
AS5004U
Warranty: 36 months *
* Warranty period is as stated above unless the manufacturer has chosen to specify a longer period.
All warranties are return to base unless otherwise specified.

Reviews

There are currently no reviews for this product

Do you own this product?

Write a review and go into the monthly draw Win A $100 PB Tech Gift Card!

Delivery & Pick-up

Potential courier delays: Please note that due to the high volumes currently within the NZ courier network there is potential for some deliveries to be delayed.

Delivery Estimates

The estimated time to ship for each product we sell is detailed on the individual product page just underneath the price. From when your items ship, products typically arrive within 1-2 working days for North Island deliveries and 2-3 working days for South Island deliveries. Rural deliveries may take an extra working day. Bulk & hazard deliveries may take an extra 2-7 working days.

Next Day Delivery

Need your order in a hurry? PB Tech offers next day delivery for local Auckland addresses. Simple place your order before 4pm (provided your items are in stock) and select our next day delivery option in the checkout. T&C's apply. Learn more about Next Day Delivery.

Same Day Delivery

Need your order in a hurry? PB Tech offers same day delivery for Auckland, Hamilton, Wellington and Christchurch. Simple place your order before 1pm (provided your items are in stock) and select one of our same day delivery options 'Evening Delivery' or 'Urgent 3-hour Delivery' in the checkout. T&C's apply. Learn more about Same Day Delivery.

Shipping Costs

Shipping costs vary based on your location and the items being shipped and in some cases shipping may even be FREE.

To calculate what the shipping costs will be for your order, add the items you are interested in to your cart, view the Shopping Cart page, and select your 'Delivery Area' to calculate the shipping cost.

Shipping Security & Insurance

All orders shipped by PB Tech are sent via a courier with a signature required for each delivery. In some cases, and only where you have given the courier company permission to leave orders at a designated location, your order may be delivered without requiring a signature. All orders sent by PB Tech are fully insured in the unlikely event that your item(s) are damaged or go missing in transit.

1 Hour Store Pick-up / Click & Collect

You can pick-up your online order from any of our stores nationwide. You can select which store you want to pick up from at the checkout. Provided the store you select has stock and there's no hold-ups with payment we will have your order ready within 1 hour (during normal trading hours for that store) otherwise it may take up to 5 working days to transfer the stock to the store so your order can be fulfilled. Learn more about our Click & Collect process.

Overseas Shipments

PB Tech regularly ships overseas to Australia and beyond. If you are located in Australia, you can order directly from our Australian site www.pbtech.com/au. If you are from another country you can order from www.pbtech.com

Returns & Warranty

7 day right of exchange

If you change your mind after making a purchase, or realise you have ordered the incorrect item, you can enjoy the peace of mind that we offer a 7 day exchange policy.

To exchange a product, goods must be sealed and unopened, with packaging in original condition, accompanied by a valid receipt dated no more than 7 calendar days from when you request an exchange. A 20% restocking fee may be applied where goods are not returned in sealed, original packaging condition.

If there is not a suitable product that can be exchanged for your returned item you will be offered a credit on your account or gift card based on the value paid at the time of purchase. Items purchased on finance cannot be exchanged for a gift card.

 

Hassle free warranty service

If your product develops a fault within the manufacturer warranty period, you can either contact the manufacturer directly (some manufacturers provide a high level of warranty service - including free pickup or in some cases onsite repair), or return to one of our services centres / stores. Where the product has been directly imported by PB Tech, you need to contact us directly or present the product at any one of our service centres / stores together with your proof of purchase.

If your product develops a fault outside of the manufacturer warranty or PB Tech warranty period, we offer a full repair service and are an authorised repair agent for leading brands such as Samsung, HP, Toshiba, Lenovo and more.

 

Returning a product / making a warranty claim

To contact the manufacturer directly to troubleshoot your product or to request a warranty repair, please view the list of manufacturer / brand warranty contacts (for products imported directly by PB Tech please return to us directly by completing our request a return form).

To return a product to PB Tech directly, please complete our request a return form.

Or view our returns policy for more information.

Asustor Xpanstor AS5004U 4-Bay Expansion Unit, 4x 3.5" /2.5" Bays, Tower, 1x Type C Includes Cable, 3 Years Warranty, for use with Asustor NAS Only

  • Brand: Asustor
  • MPN: AS5004U
  • Part #: ENCAST5004
PB Tech price $523.00 Excluding GST PB Tech price $601.45 Including GST

Date Created: 05:26, 30-12-2025
Product URL: https://www.pbtech.co.nz/product/ENCAST5004/Asustor-Xpanstor-AS5004U-4-Bay-Expansion-Unit-4x-3
Branch New Stock On Display
Auckland - Albany 0
Auckland - Glenfield 0
Auckland - Queen Street 0
Auckland - Auckland Uni 0
Auckland - Westgate 0
Auckland - Penrose 0
Auckland - Henderson (Express) 0
Auckland - St Lukes 0
Auckland - Manukau 0
Hamilton 0
Tauranga 0
New Plymouth 0
Palmerston North 0
Petone 0
Wellington 0
Auckland - Head Office 0
Auckland - East Tamaki Warehouse 0
Christchurch - Hornby 0
Christchurch - Christchurch Central 0
Dunedin 0

Features

NAS Storage Capacity Expander

- Plug and play online expansion
- USB 3.2 Gen 2 Type C interface for 10 Gbps speed
- Compatible with high capacity 22TB hard disks
- Smart power sync helps to save power
- Smart fan for temperature control
- Supports MyArchive cold backup technology

Faster and Easier!

The all-new Xpanstor 4 adopts USB 3.2 Gen 2 with a Type-C socket. USB 3.2 Gen 2 transfers files even faster with the ability to transfer of up to 10 Gbps. The Xpanstor is also backward compatible with ASUSTOR NAS devices that support USB 3.2 Gen 1 and will operate at the 5 Gbps maximum those devices support. Use the Xpanstor to expand the capacity of your NAS to grow your workflow as needed.

MyArchive Welcome!

The Xpanstor 4 supports MyArchive cold storage technology. Directly insert a MyArchive hard drive into an available bay to access data, making data access extremely convenient. Use MyArchive to also set up schedules for backing up with automatic mounting and unmounting, making your backups simpler and more convenient.

Sleeps When Your NAS Sleeps

When a connected NAS enters sleep mode or shuts down, the Xpanstor will enter sleep mode simultaneously to save energy and hardware longevity. LED brightness in the Xpanstor 4 also synchronizes with your NAS, ensuring no bright lights when your NAS is off.

Operation

Disk Hibernation

Cool and Quiet

The internal fan found inside the Xpanstor 4 automatically adjusts its speed according to hard drive temperatures and maintains a balance between sound and performance.

Stable USB Connection

The Xpanstor 4 has a specially designed USB-C connector and cable. The cable included with your Xpanstor 4 locks in with your expansion unit with two screws on each side of the cable to lock it into the expansion unit to prevent it from being accidentally disconnected.

PC-Friendly!

The Xpanstor 4 works well as a DAS solution as well. Plug an Xpanstor into a computer to access up to four independent drives that can be used by a Windows, Mac or Linux machine for applications that include, but are not limited to storage, drive cloning and diagnostics.

Specifications

Hardware

Flash Memory

32MB Flash

Expansion

USB 3.2 Gen 2 (10Gbps) Type C

HDD

4 x SATA3 6Gb/s; 3.5"/2.5" HDD/SSD

Maximum Internal Raw Capacity

88 TB  (22 TB HDD x 4, Capacity may vary by RAID types)

Supports

Hot Swappable Drives

System Fan

120mm x1

Power Supply Unit / Adapter

90W x1

Input Power Voltage

100V to 240V AC

Certification

FCC, CE, VCCI, BSMI, C-TICK, BIS, KCC, EAC

Applied Models

AS31, 32, 40, 61, 62, 63, 64, Nimbustor, Nimbustor Gen2, Drivestor, Drivestor Pro, Drivestor Lite, Drivestor Pro Gen2, Lockerstor, Lockerstor Gen2, Lockerstor Pro, Flashstor

Operation

Power Consumption

Operation: 24.68 W
Disk Hibernation: 6.02 W

Operation Temperature

0°C~40°C (32°F~104°F)

Humidity

5% to 95% RH

Software & Features

Operating System

ADM 4.2.4 Onwards

File System

Internal Disk: EXT4, Btrfs

Size and Weight

Size

174(W)x170(H)x230(D) mm

Weight

2.03 kg / 4.48 lbs

Storage Management

Support

Multiple Volumes with Spare Drives
Support for Online RAID Level Migration
Support for RAID Capacity Expansion
Hard drives in an expansion unit cannot be combined with NAS drives in the same RAID array.

Volume Type

Single, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10

Date Created: 05:26, 30-12-2025
Product URL: https://www.pbtech.co.nz/product/ENCAST5004/Asustor-Xpanstor-AS5004U-4-Bay-Expansion-Unit-4x-3