LaCie vs Seagate Hard Drives (HDD)

Side-by-side price per gigabyte comparison across 271 products.

As of June 2026, LaCie averages $0.0503/GB across 13 products while Seagate averages $0.1688/GB across 258 products on BuyPerUnit. LaCie offers 70% better value per gigabyte for hard drives (hdd).

LaCie

Better Value

Avg $/GB$0.0503

Best $/GB$0.0356

Price Range$0.0356 – $0.0750

Products13

Cheapest Product

LaCie d2 Professional USB-C 20TB

20TB · $711.60 · newegg

Seagate

Avg $/GB$0.1688

Best $/GB$0.0244

Price Range$0.0244 – $4.1250

Products258

Cheapest Product

seagate archive hdd 8tb sata 6gbps 128mb cache sata hard drive (st8000as0002)

8TB · $195.00 · newegg

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	LaCie	LaCie d2 Professional USB-C 20TB	20TB	$0.0356	$711.60	newegg
1	Seagate	seagate archive hdd 8tb sata 6gbps 128mb cache sata hard drive (st8000as0002)	8TB	$0.0244	$195.00	newegg
2	LaCie	LaCie d2 Professional 10TB External Hard Drive Desktop HDD – USB-C USB 3.0 7200 RPM Enterprise Class Drives, 5 Year Warranty and Recovery Service (STHA10000800)	10 TB	$0.0380	$379.93	amazon
2	Seagate	Seagate Expansion 22TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP22000400)	22 TB	$0.0286	$629.99	amazon
3	LaCie	LaCie 5TB Rugged USB-C Portable Hard Drive	5 TB	$0.0410	$204.99	amazon
3	Seagate	Seagate Barracuda 24TB Internal Hard Drive, 7200 U/Min, 512MB Cache, SATA 6Gb/s, 3.5" (ST24000DM001)	24 TB	$0.0292	$699.95	amazon
4	LaCie	LaCie d2 Professional 16TB USB 3.1 Gen 2 External Hard Drive Black	16TB	$0.0411	$657.90	newegg
4	Seagate	Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk	8 TB	$0.0294	$234.99	amazon
5	LaCie	LaCie Mobile Drive STLP5000400 5TB USB-C Portable Hard Drive Moon Silver	5TB	$0.0460	$229.95	newegg
5	Seagate	Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400)	8 TB	$0.0302	$241.80	amazon

Which Should You Buy?

Based on current pricing data, LaCie offers better overall value for hard drives (hdd) at an average of $0.0503/GB compared to Seagate's $0.1688/GB — that's roughly 70% less per gigabyte.

LaCie's best deal is the LaCie d2 Professional USB-C 20TB (20TB) at $0.0356/GB, while Seagate's cheapest option is the seagate archive hdd 8tb sata 6gbps 128mb cache sata hard drive (st8000as0002) (8TB) at $0.0244/GB.

However, price per GB isn't everything — consider factors like warranty, performance specs, and your specific capacity needs. Check individual product pages for detailed specifications.

Frequently Asked Questions

Is LaCie or Seagate cheaper per GB for hard drives (hdd)?

As of June 2026, LaCie averages $0.0503/GB compared to Seagate at $0.1688/GB. LaCie is approximately 70% cheaper per gigabyte on average.

How many LaCie and Seagate hard drives (hdd) does BuyPerUnit track?

BuyPerUnit currently tracks 13 LaCie products and 258 Seagate products in the hard drives (hdd) category, all ranked by price per gigabyte.

What is the cheapest LaCie hard drives (hdd) per GB?

The cheapest LaCie option is the LaCie d2 Professional USB-C 20TB at $0.0356/GB ($711.60 for 20TB).

What is the cheapest Seagate hard drives (hdd) per GB?

The cheapest Seagate option is the seagate archive hdd 8tb sata 6gbps 128mb cache sata hard drive (st8000as0002) at $0.0244/GB ($195.00 for 8TB).

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