UnionSine · HD3513
UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage | HD3513 NEW
UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage | HD3513 NEW by UnionSine (model HD3513) is an external HDD (desktop) tracked on PriceSniff.
$299.99
▾ Down 8% vs. 90-day average ($327.49)
Price checked 20h ago · compared across 1 store
View at eBay → Compare all 1 stores ⌄Overview
It is currently listed at $299.99 at one tracked store. Key specifications: 10 TB capacity, 3.5" form factor, USB3.0 interface. Across 10 recorded price checks the price has ranged between $299.99 and $349.99, 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 | $299.99Best price | In stock | View → |
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PriceSniff tracks the UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage | HD3513 NEW 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 external hdd, it is built by UnionSine, model HD3513. Notable specs include Capacity 10 TB, Form factor 3.5", Interface USB3.0.
Specifications
- Capacity
- 10TB
- Form factor
- 3.5"
- Interface
- USB3.0
90-day price history across tracked stores
Over 17 days of tracking, PriceSniff has logged 10 price checks for the UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage | HD3513 NEW. In that time the price has ranged from $299.99 to $349.99, with the lowest seen on Sep 24, 2026. Right now the best price is $299.99 at eBay, matching the lowest price we've tracked. The lowest price in the past year is $299.99. Today's best price is 8% below the 90-day average of $327.49.
eBay
View as table
| Date | Price |
|---|---|
| Sep 25 | $299.99 |
| Sep 24 | $299.99 |
| Sep 23 | $324.99 |
| Sep 22 | $349.99 |
| Sep 21 | $324.99 |
| Sep 20 | $324.99 |
| Sep 19 | $324.99 |
| Sep 18 | $324.99 |
| Sep 12 | $349.99 |
| Sep 8 | $349.99 |
What is the best price for the UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage | HD3513 NEW?
The lowest price PriceSniff is currently tracking is $299.99 at eBay. Prices update automatically, so the offers table above always shows the latest figure.
Is the UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage | HD3513 NEW a good deal right now?
Yes — at $299.99, it's currently 8% below its 90-day average of $327.49, which makes now a good time to buy.
Which stores sell the UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage | HD3513 NEW?
PriceSniff compares the UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage | HD3513 NEW across 1 store: eBay.
What is the lowest price the UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage | HD3513 NEW has dropped to?
The lowest price PriceSniff has recorded is $299.99, seen on Sep 24, 2026. The price history chart on this page shows how the price has changed over time.
How often does PriceSniff update UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage | HD3513 NEW 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.
