LaCie d2 Professional 20TB vs Seagate Expansion Desktop 20TB
LaCied2 Professional 20TB20000 GB · 3.5-inch · 5 yearsLeads on Warranty
SeagateExpansion Desktop 20TB20000 GB · 3.5-inch · 1 yearsLeads on Current best price
In short
On the measures that settle this, Seagate Expansion Desktop 20TB never comes out behind, and on at least one it comes out ahead.
| Specification | LaCied2 Professional 20TB | SeagateExpansion Desktop 20TB |
|---|---|---|
| Capacity (GB) | 20000 | 20000 |
| Current best price | £1,522.89at Amazon.co.uk · captured 2026-09-09 | £539.00betterat Amazon.co.uk · captured 2026-09-13 |
| Price per TB | £76.14 | £26.95better |
| Form factor | 3.5-inch | 3.5-inch |
| Warranty (years) | 5better | 1 |
How these two compare
Price
LaCie d2 Professional 20TB lists at £1,522.89, or £76.14 per TB; Seagate Expansion Desktop 20TB at £539.00, or £26.95 per TB.
Warranty
LaCie d2 Professional 20TB carries a 5-year warranty and Seagate Expansion Desktop 20TB a 1-year one — how long the maker will replace a failed drive, and a rough read on the confidence it has in the mechanism.
Which to buy
Seagate Expansion Desktop 20TB. It gives up nothing to the other on the measures the site tracks and leads on at least one, so there is no trade to weigh — the sections above show where the margin is.
Common questions about this pair
- Which is faster, LaCie d2 Professional 20TB or Seagate Expansion Desktop 20TB?
- LaCie d2 Professional 20TB is rated 0 MB/s read and 0 MB/s write; Seagate Expansion Desktop 20TB is 0 MB/s read and 0 MB/s write — level on the read figure vendors headline. On a mechanical drive the two directions track closely anyway, since platter speed and data density set the rate rather than the direction.
- Which costs less per terabyte, LaCie d2 Professional 20TB or Seagate Expansion Desktop 20TB?
- LaCie d2 Professional 20TB lists at £1,522.89, or £76.14 per TB; Seagate Expansion Desktop 20TB at £539.00, or £26.95 per TB.
- Should you buy LaCie d2 Professional 20TB or Seagate Expansion Desktop 20TB?
- Seagate Expansion Desktop 20TB. It gives up nothing to the other on the measures the site tracks and leads on at least one, so there is no trade to weigh — the sections above show where the margin is.