UnionSine · 500GB Ultra Slim Portable External Hard Drive
UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0
UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 by UnionSine (model 500GB Ultra Slim Portable External Hard Drive) is a portable HDD (2.5") tracked on PriceSniff.
$51.75
▾ Down 3% vs. 90-day average ($53.33)
Price checked 7h ago · compared across 1 store
View at eBay → Compare all 1 stores ⌄Overview
It is currently listed at $51.75 at one tracked store. Key specifications: ultra slim form factor, usb 3.0 interface. Across 12 recorded price checks the price has ranged between $49.17 and $59.80, so the history chart below is worth a look before you buy. Compare drives by price per terabyte rather than sticker price, and buy the largest capacity you can use — bigger drives are almost always cheaper per gigabyte. We recheck every store we cover automatically, so the prices above stay current and you can compare offers and catch price drops before you buy.
All 1 tracked price
| Store | Price | Availability | |
|---|---|---|---|
eBay | $51.75Best price | In stock | View → |
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PriceSniff tracks the UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 across 1 store and charts its price history, so you can compare current offers and see whether today's price is a genuine deal. Listed under portable hdd, it is built by UnionSine, model 500GB Ultra Slim Portable External Hard Drive. Notable specs include Form factor ultra slim, Interface usb 3.0.
Specifications
- Form factor
- ultra slim
- Interface
- usb 3.0
90-day price history across tracked stores
Over 12 days of tracking, PriceSniff has logged 12 price checks for the UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0. In that time the price has ranged from $49.17 to $59.80, with the lowest seen on Oct 31, 2026. Right now the best price is $51.75 at eBay — 5% above its lowest tracked price. The lowest price in the past year is $49.17. Today's best price is 3% below the 90-day average of $53.33.
eBay
View as table
| Date | Price |
|---|---|
| Nov 2 | $51.75 |
| Nov 2 | $49.17 |
| Oct 31 | $49.17 |
| Oct 30 | $57.13 |
| Oct 29 | $50.43 |
| Oct 28 | $50.43 |
| Oct 27 | $59.80 |
| Oct 25 | $59.80 |
| Oct 25 | $53.08 |
| Oct 23 | $53.08 |
| Oct 22 | $53.08 |
| Oct 21 | $53.08 |
What is the best price for the UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0?
The lowest price PriceSniff is currently tracking is $51.75 at eBay. Prices update automatically, so the offers table above always shows the latest figure.
Is the UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 a good deal right now?
It's about average — at $51.75, it's within 3% of its 90-day average of $53.33.
Which stores sell the UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0?
PriceSniff compares the UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 across 1 store: eBay.
What is the lowest price the UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 has dropped to?
The lowest price PriceSniff has recorded is $49.17, seen on Oct 31, 2026. The price history chart on this page shows how the price has changed over time.
How often does PriceSniff update UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 prices?
PriceSniff re-checks each tracked store on a regular schedule and records every change, building the price history and alerts you see on this page.
