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UnionSine 3TB 3.5"USB 3.2Gen HDD Compatible External Hard Disk External Hard Drives Color : 3TB||||||||
Super hot! Several others have checked this out in the last few hours
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Product always receives high satisfaction ratings from our customers
Product Details
Digital Storage Capacity 8000 GB
Hard Disk Interface Serial ATA-600
Connectivity Technology USB
Brand UnionSine
Hard Disk Form Factor 3.5 Inches
Hard Disk Description Mechanical Hard Disk
Compatible Devices Laptop, Gaming Console, Desktop
Installation Type External Hard Drive
Color Black
Hard Disk Size 8 TB

About this item

  • 【Large Capacity】Vertical external hard disk does not take up space, and high-speed transfer speed is easily used for PC office, 4K video image storage, TV recording, and game storage
  • 【Technical Support】With the support of MTC multi-layer caching technology, this mechanical hard drive can elevate PC to a new level of performance, load applications, and files faster, optimize data flow, and provide better reading and writing Performance. Theoretical read speed up to 160MB/sec and write speed up to 110MB/sec
  • 【System Compatibility】Using USB-C 3.2 Gen2 type-C high-speed interface motherboard, compatible with TV/Ps4/Xbox/Windows/Mac/Linux/DVD/Android, 4K TV recording, multi-brand TV
  • 【Safety】To optimize the current transfer efficiency, the cable has been upgraded to 22 AWG thick copper core. Internal use of anti-vibration silicon, fast heat dissipation, reduce noise

Product Overview

[Widely used] The vertical external hard disk does not occupy space, and the high-speed transmission speed is easy to use for PC office, 4K video image storage, TV recording, game storage, etc.

[High-end hardware] The main control solution adopts Realtek RTL 9200B, which supports a speed of 10 Gbps. Using USB-C3.2 Gen2 high-speed interface, the actual read/write speed can reach 160mb/s~280 mb/s (the larger the capacity, the faster the speed)
If your device uses the Type-C interface of USB 3.1 Gen1 (including USB3.0 and USB3.1) interface protocol, it will not reach the marked transmission speed. Secondly, the reading speed of your device is not as high as the writing speed of a mobile hard disk.

[System Compatibility] Compatible with TV/PS4/Xbox/Windows/Mac/Linux/Android/DVD

[Shockproof silicone] The silicone material is used internally, which can protect the hard disk and extend its service life in addition to shockproof and noise reduction.

Shipping & Payment


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of citiexpresss (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

Customer Reviews
5 (6 reviews)
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3 Mar 2023

very Good product and really nice help support. I'm recommended it

2 Mar 2023

Excellent, it arrived fast even if the customs tax is paid by the store because it exceeds 200 dollars in my country, the product if it is real 18TB in good condition

28 Feb 2023

In principle, I was satisfied, the disk is most likely a server HGST, but for this price I directly foresaw something similar and possibly used, the only speed of the disk is 7200 noisy, if, as in the advertisement on the table, you can hear strongly, but for the backfile it will be good, at speeds of 215 MB/s, write and read 225 MB/s, If you compare with famous disks, then there is a space price, so thanks to the store!

10 Feb 2023

Hard drive working, as described. The order arrived quickly, tracked. I still wanted the memory to be closer to 18 TB, and not 16,3 TB (at least 17.3 TB)

6 Feb 2023

Good Product and Received on time

29 Jan 2023

The disc is excellent, the delivery is fast and the main price

Super hot! Several others have checked this out in the last few hours

3TB 3.5"USB 3.2Gen HDD Compatible External Hard Disk

6 Reviews
Selling fast: get yours before it’s gone!
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