UnionSine 1TB Ultra Slim Portable External Hard Drive HDD-USB
3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black)
Price as of 2026-06-06. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$37–$142← You are here
- Mid-range:$142–$229
- Premium:$229+
Is This Right For You?
- •Budget-conscious shoppers — priced below 93% of External Hard Drives
- •YOTUO Portable 500GB External Hard Drive Storage offers a better rating (4.4/5) at a similar or lower price ($37)
- •YOTUO Portable 500GB External Hard Drive Storage — 47% cheaper at $37 (Score A-)
- •WD 2TB Elements Portable External Hard Drive — higher rated at 4.6/5 ($106)
📊 Based on data analysis of 28 products in this category.
Mubboo Score: B+
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other External Hard Drives
Computed from live Amazon rating, review count, and price across 28 External Hard Drives available to US consumers · last refreshed 2026-06-06.
How It Compares
This Product UnionSine 1TB Ultra Slim Portable External Hard Drive HDD-USB | Most Popular WD 2TB Elements Portable External Hard Drive | Best Rated LaCie Rugged Mini | Best Value YOTUO Portable 500GB External Hard Drive Storage | |
|---|---|---|---|---|
| Price | $69.71 | $105.99 | $149.99 | $36.99 |
| Rating | 4.3/5 | 4.6/5 | 4.6/5 | 4.4/5 |
| Reviews | 1,704 | 313,822 | 22,282 | 3,352 |
| Mubboo Score | B+ | A+ | A- | A- |
Quick Specs
- Color
- Black
- Read Speed
- 120
- Unit Count
- 1.0 Count
- Form Factor
- 2.5-inch
- Media Speed
- 103 Megabytes Per Second
- Manufacturer
- Unionsine
- Model Number
- HDD2510
- Built-In Media
- Portable Hard Drive, USB 3.0 Cable, User Manual
Expert Picks in External Hard Drives
- Western Digital My Passport Ultra (5 TB) — Portable backup and file transfer
- Western Digital Elements (8 TB) — Daily backups and frequently accessed files
- Corsair EX400U (1 TB) — Best overall for most users
- Corsair EX400U (4 TB) — Extra capacity for large files
- Lexar SL500 (1 TB) — Budget-friendly good performance
Category recommendations from independent expert publications. Source links in References.
Related Video Reviews
Key Features
- ✦【Upgraded version】 - The mirror logo strip is combined with the striped non-slip design. The rounded corners of the shell are more suitable for holding. The strips play a heat diss…
- ✦【Ultra-thin and quiet】 - The motherboard adopts JMicron 578 noise-free solution, giving you a quiet working environment. Lightweight and portable size designed to fit in your pocke…
- ✦【Ultra-Fast Data Transfers】 - Pairing this external hard drive with JMicron 578 solution USB 3.0 and USB 2.0 interfaces enables blazing-fast data transfer. It boasts theoretical re…
- ✦【Plug and Play】 - With no software to install, just plug it in and the drive is ready to use.The hard disk chip is wrapped with an aluminum anti-interference layer to increase heat…
- ✦【What You Get】 - 1 x Portable Hard Drive, 1 x USB 3.0 Cable, 1 x User Manual, Gift-type shell packaging ,Three-year manufacturer's warranty and free technical support services.
Source: product listing on Amazon.
If not the 1TB Ultra Slim Portable External Hard Drive HDD-USB, consider these
Bottom Line
UnionSine 1TB Ultra Slim Portable External Hard Drive HDD-USB earns Mubboo Score B+. Priced at $70 — a budget-friendly option, below the category average of $219. Rated 4.3/5 from 1,704+ reviews. Strong buy if: budget-conscious shoppers. Skip if: yotuo portable 500gb external hard drive storage offers a better rating (4.4/5) at a similar or — WD 2TB Elements Portable External Hard Drive (Score A+, $106) may fit better.
Frequently Asked Questions
Is the UnionSine 1TB Ultra Slim Portable External Hard Drive HDD-USB worth buying in 2026?
It earns a Mubboo Score of B+, with a 4.3/5 rating from 1,704 reviews — better than 36% of External Hard Drives we track.
How much does the UnionSine 1TB Ultra Slim Portable External Hard Drive HDD-USB cost?
It is currently $69.71 — budget-tier pricing for External Hard Drives.
How does the 1TB Ultra Slim Portable External Hard Drive HDD-USB compare to other External Hard Drives?
The category's most-reviewed alternative is the WD 2TB Elements Portable External Hard Drive (4.6/5, 313,822 reviews, $105.99). The 1TB Ultra Slim Portable External Hard Drive HDD-USB carries a Mubboo Score of B+ vs A+.
Sources & References
- View on Amazon →
- wirecutter review →
- wirecutter review →
- cnet review →
- Browse all External Hard Drives on Mubboo →
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-06) and may change.