# UnionSine 500GB Ultra Slim Portable External HDD

Check the price and price history for UnionSine 500GB Ultra Slim Portable External HDD, then decide if it matches what you need.

- [Original product page](https://www.ofertitastop.com/us/product/unionsine-500gb-slim-portable-external-hdd)
- [View offer](https://www.ofertitastop.com/us/visit/unionsine-500gb-slim-portable-external-hdd)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-30T23:16:57.925Z
- SKU: ofertitastop-us-47242
- Category: Electronics > Computers > Handheld Devices > Data Collectors
- Source store: amazon US
- Active deal: Yes
- Price: 37.66 USD
- Previous price: 39.64 USD
- Discount: 5%
- Rating: 4.4 / 5
- Reviews: 2632

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

## The essentials
Powerful portable storage meets a sleek, pocketable design. This UnionSine 500GB external hard drive pairs ultra slim portability with solid heat dissipation to keep data transfers smooth. With USB 3.0 compatibility, it delivers quick reads and writes, making it ideal for moving large files, backups, and gaming saves. Its compact footprint makes it easy to carry in a bag or pocket, so you can take your important data anywhere with confidence. For everyday use on PC, Mac, PS4, Xbox One or older consoles, this drive offers plug and play convenience and reliable performance that you can count on on the go.

Designed for quiet operation, the internal components are wrapped with an aluminum layer to help manage heat and minimize interference. The rounded edges and reinforced case improve grip and durability, while the mirror logo strip adds a refined touch. The result is a portable drive that feels as good as it performs. Users benefit from fast 125 MB/s read and 103 MB/s write speeds in practical scenarios, enabling efficient backups and quick file transfers. This is especially helpful when compiling large media libraries or transferring game saves between devices. Whether backing up school projects or streaming media from a laptop, you’ll notice how easy it is to get the job done with minimal setup. The drive is recognized instantly by most operating systems, with no software to install, making it a straightforward choice for maximizing storage without friction.

If you’re seeking dependable, portable storage with broad compatibility, this UnionSine model offers a balanced mix of speed, portability, and value. Its design prioritizes heat management and quiet operation, so you can work, create, or game without distraction. Keep it in your bag for quick access to backups or media libraries, and enjoy reliable performance across platforms and devices. Three-year manufacturer warranty provides additional peace of mind for everyday use and travel.

## Images

![UnionSine 500GB Ultra Slim Portable External HDD — 1](https://www.ofertitastop.com/i/pcNtQ0AurhCzy-78gJHDwvck0PC33EMwOoyvZ31zVyMjPM7gi3PQGQeyBqkqg_iJpPGDXDvhrl_T7x3RGjXuKwgJQDbMl7mouFU0dUirkrA1hQhcCup_TqGJuA.jpg)

![UnionSine 500GB Ultra Slim Portable External HDD — 2](https://www.ofertitastop.com/i/ao72jKFVC8Vhk3kwjzQccX6QIwJZjKTyIwnTMyCUYToDG4841Ym4vF4PzIHtze91R_Cmm69lLQ8iLcy3VuJ3uXHBT1yvAC1z9dNGoypiihzooBvukF8zkPzAFg.jpg)

![UnionSine 500GB Ultra Slim Portable External HDD — 3](https://www.ofertitastop.com/i/C-uMArMknO6UO9n4j8VxOq8ynuX7iFLGOJ86wsser79I9oKZeAKu3D3aVBsRlOi-TAkjyz4cjxFwNAeI3sSI-XZGIiGphm0tjkYZ73srlj3IbbX7llR84AqyHg.jpg)

![UnionSine 500GB Ultra Slim Portable External HDD — 4](https://www.ofertitastop.com/i/iP-1s51Sul6LEJHMlHYdO9hmZArk_GfqQjcRdEkRjo_y59BQ5jHoWDwzHqsauAobGGrZMZrTGuObZ7xcxzI_k20khAwOcZaFviATDhOSP-slqDG8GblrRIBNMw.jpg)

![UnionSine 500GB Ultra Slim Portable External HDD — 5](https://www.ofertitastop.com/i/3mf0x4_psDS8ZwEa3IALzl_ZnJfWkmThWe45wSgTdu8QycvySGonvTC_OAEN7z4-tT78C1Y-HKTLQqgWJXjpUm4-4DhFvhIpNl-vc1ScCoNvg-i4H68Ol2pnzw.jpg)