4TB external SSD prices: cheapest 4TB offers by price per TB
4TB external SSD: the cheapest new offer on amazon.com right now is Move Speed Gen 2x2 4 TB for $599.99, which is $150.00 per TB. The median of the 4 new 4TB offers is $659.99 (as of Oct 28, 2026 at 1:17 AM UTC). The list below shows all 4 offers in this size with price, condition and price timestamp, sorted by price per TB.
90 days
Price board
Filters and view
| Compare | Trend 30 days | Form factor | Technology | Condition | Product | Store | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| $150.00 | $599.99 | 4 TB | 0.0 % | $150.00 | n/a | External | SSD | NewNew90d low | Move Speed Gen 2x2 4 TB90-day low | 90d lowView * | ||
| $150.00 | $599.99 | 4 TB | 0.0 % | $150.00 | n/a | External | SSD | NewNew | Sabrent Rocket Nano XTRM 4 TB | |||
| $180.00 | $719.99 | 4 TB | 0.0 % | $175.00 | n/a | External | SSD | NewNew | WD My Passport 4 TB | |||
| $208.74 | $834.95 | 4 TB | ▲ 0.2 % | $129.75 | n/a | External | SSD | NewNew | Lexar Armor 700 4 TB |
No offers match these filters.
How much does a 4TB external SSD cost?
A 4TB external SSD costs from $599.99 new on amazon.com. Half of the 4 new offers cost less than $659.99, the other half more. Per TB, that is from $150.00.
Price per TB is the total price divided by capacity, with 1 TB equal to 10^12 bytes. Shipping is not included. ratioDB checks prices regularly and shows on every offer when its price was last checked.
Which 4TB external SSD is cheapest per TB?
The cheapest per TB right now is Move Speed Gen 2x2 4 TB at $150.00 per TB. The table shows the 4 cheapest new 4TB offers.
Cheapest new 4TB offers on amazon.com, as of Oct 28, 2026 at 1:17 AM UTC
| Model | Price | Price per TB |
|---|---|---|
| Move Speed Gen 2x2 4 TB | $599.99 | $150.00 |
| Sabrent Rocket Nano XTRM 4 TB | $599.99 | $150.00 |
| WD My Passport 4 TB | $719.99 | $180.00 |
| Lexar Armor 700 4 TB | $834.95 | $208.74 |
Check warranty and condition when you compare. Every row in the list shows whether an offer is new, renewed or used.
Is 4TB cheaper per TB than other sizes?
Not right now. The cheapest size per TB is 1 TB at $118.99 per TB for the cheapest new offer.
Cheapest new offer per size, external SSDs on amazon.com, as of Oct 28, 2026 at 1:17 AM UTC
Bigger models are not automatically cheaper per TB. Compare price per TB before you settle on a size.
How fast is a 4TB external SSD?
That depends on the USB port. On 10 Gbps ports the theoretical limit is 1,250 MB/s. Fast models like the Samsung T9 reach up to 2,000 MB/s according to the manufacturer, but only on USB 3.2 Gen 2x2 with 20 Gbps. Check which port your device has before you buy.
Which external models are worth it is covered in Best SSD.
How have 4TB external SSD prices developed?
The index for 4TB external SSD is at $165.00 per TB and has changed by +2.2% over 30 days. Its lowest value over the last 90 days is $150.00 per TB.
The index is the median of up to 10 cheapest new offers in this size per day. The percentages only compare offers that had a price on both days. The chart above shows the history day by day.
4TB external SSD FAQ
How much does a 4TB external SSD cost right now?
New from $599.99 on amazon.com, which is $150.00 per TB (as of Oct 28, 2026 at 1:17 AM UTC). The median of the 4 new offers is $659.99.
How current are the prices?
ratioDB checks amazon.com prices regularly, usually several times a day. Every offer shows when its price was last checked. Amazon may have changed the price since.
Why does ratioDB show price per TB?
Price per TB makes different sizes and offers comparable. You see right away whether a 4TB offer is cheap or whether another size gets you more storage for the money.
Are used offers in the list?
Yes, the list shows new, renewed and used offers, every row labeled with its condition. The index and the values in the tables of this text use new offers only.