LaCie d2 Professional 20TB External Hard Drive Desktop HDD

Name: LaCie d2 Professional 20TB External Hard Drive Desktop HDD – USB-C USB 3.1 Gen 2, 7200 RPM Enterprise Class Drives, for Mac and PC Desktop, 1mo Adobe
Brand: Unbranded
SKU: B09QQPMPNK

Status: LaCie d2 Professional 20TB External Hard Drive… (20TB hard drive): Unavailable on Amazon as of 2026-10-21 10:13 UTC. SpecPicks has no in-stock 20TB hard drive on file; an Amazon search for "20TB hard drive" lists current offers with the same specs. eBay sellers may still list this model new or used.

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Bottom line: The LaCie d2 Professional 20TB External Hard Drive Desktop HDD: 20TB single-drive capacity - no RAID enclosure or multi-bay dock required; main trade-off: 290MB/s is a fraction of what an external NVMe SSD delivers.

Unavailable on Amazon as of 2026-10-21 10:13 UTC

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-21

Mike Perry — Hardware researcher since 2014. For external drives and portable storage, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ 20TB single-drive capacity - no RAID enclosure or multi-bay dock required
✓ Up to 290MB/s sequential transfer over USB-C USB 3.1 Gen 2
✓ 7200 RPM BarraCuda Pro enterprise-class drive, not a shucked consumer disk
✓ Five-year limited warranty bundles Rescue Data Recovery Services
✓ Aluminum chassis cuts drive noise and vibration for desk-side use

Cons

✗ 290MB/s is a fraction of what an external NVMe SSD delivers
✗ Spinning 7200 RPM platters are vulnerable to knocks - desktop use only
✗ Requires external power, so it is not a portable field drive
✗ Single drive means no built-in redundancy if the disk fails

Manufacturer description

The LaCie d2 Professional gives you 20TB of desktop archive space in a single aluminum enclosure, built around a 7200 RPM enterprise-class BarraCuda Pro drive rather than a shucked consumer disk. That matters when you are moving finished projects off a laptop's soldered SSD: sequential transfers run at up to 290MB/s over USB-C (USB 3.1 Gen 2), so a full card dump of 4K footage clears in minutes instead of an afternoon. The aluminum body doubles as a heatsink and damper, which keeps drive noise and vibration low enough to sit next to an iMac or a Mac mini on the same desk. It connects to Mac…

SpecPicks Verdict

SpecPicks scored LaCie d2 Professional 20TB External Hard Drive Desktop HDD using a rating × review-volume × price-fit model applied to published specs and reviews across the external storage category. Compare with similarly-priced alternatives in the external storage category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

How fast is the LaCie d2 Professional 20TB?

LaCie rates it at up to 290MB/s over USB-C (USB 3.1 Gen 2). That is near the ceiling for a 7200 RPM mechanical drive and roughly 3x what USB 2.0 era externals managed, though well below an NVMe SSD.

Does it work with both Mac and PC?

Yes. It is marketed as a cross-platform desktop drive for Mac and PC, aimed at creatives on SSD-based laptops or all-in-ones with limited internal storage. Reformatting may be needed depending on which filesystem you want.

What kind of drive is inside?

A 7200 RPM BarraCuda Pro enterprise-class drive, which LaCie specifies for reliability and sustained performance rather than the lower-RPM disks common in cheaper external enclosures.

What warranty and data recovery coverage comes with it?

A five-year limited warranty that includes Rescue Data Recovery Services. Check the product listing for current terms and any regional differences before you buy.

Do you actually get the full 20TB of usable space?

No. LaCie states that available storage capacity may vary, which is standard for drives sold in decimal terabytes - your operating system will report a lower formatted figure.

Key Features

CROSS PLATFORM: The LaCie d2 Professional is the go-to external desktop hard drive for creatives using Mac/PC SSD-based laptops or all-in-one-computers with limited storage capacity
FAST DATA: Easily edit and archive projects with massive massive capacity and speeds of up to 290MB/s
FUTURE PROOF: Seamlessly connect to USB-C USB 3.1 Gen 2 computers, enjoy reduced noise and vibration thanks to an aluminum form factor, and get ultimate reliability and performance with BarraCuda Pro enterprise-class drives
BOUNDLESS CREATIVITY: Includes one-month membership to Adobe Creative Cloud All Apps Plan
RECOVERY INCLUDED: Enjoy long-term peace of mind with the included five-year limited warranty including Rescue Data Recovery Services
The available storage capacity may vary.

Full Specifications

Brand	Seagate
Color	Black
FAST DATA	Easily edit and archive projects with massive massive capacity and speeds of up to 290MB/s
Model Name	D2 Professional
Unit Count	1 Count
Form Factor	all in one
Media Speed	290
Connectivity	USB-C
Model Number	STHA20000800
Compatibility	PC, Mac
Built-In Media	LaCie d2 Professional 20TB USB 3.1 TYPE C
Item Type Name	D2 Professional
Hard-Drive Size	20 TB
Mfr Part Number	STHA20000800
Number of Items	1
Special Feature	Data Recovery Service
Vibration/Rumble	Yes
Hardware Platform	Mac
Installation Type	External Hard Drive
RECOVERY INCLUDED	Enjoy long-term peace of mind with the included five-year limited warranty including Rescue Data Recovery Services
Full listing title	LaCie d2 Professional 20TB External Hard Drive Desktop HDD – USB-C USB 3.1 Gen 2, 7200 RPM Enterprise Class Drives, for Mac and PC Desktop, 1mo Adobe CC All Apps Plan, Rescue Services (STHA20000800)

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