PNY vs Seagate Hard Drives (HDD)

Side-by-side price per gigabyte comparison across 72 products.

As of May 2026, PNY averages $0.7308/GB across 7 products while Seagate averages $0.0468/GB across 65 products on BuyPerUnit. Seagate offers 94% better value per gigabyte for hard drives (hdd).

PNY

Avg $/GB$0.7308

Best $/GB$0.1562

Price Range$0.1562 – $2.4994

Products7

Cheapest Product

PNY - 128GB Attaché 4 USB 2.0 Type A Flash Drive - Black

128 GB · $19.99 · bestbuy

Seagate

Better Value

Avg $/GB$0.0468

Best $/GB$0.0227

Price Range$0.0227 – $0.2380

Products65

Cheapest Product

Seagate Expansion 22TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP22000400)

22 TB · $499.99 · amazon

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	PNY	PNY - 128GB Attaché 4 USB 2.0 Type A Flash Drive - Black	128 GB	$0.1562	$19.99	bestbuy
1	Seagate	Seagate Expansion 22TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP22000400)	22 TB	$0.0227	$499.99	amazon
2	PNY	PNY - 256GB PRO Elite Class 10 U3 V30 A2 microSDXC Flash Memory Card	256 GB	$0.3515	$89.99	bestbuy
2	Seagate	Seagate - Game Drive for Xbox 8TB External USB 3.2 Gen 1 Desktop Hard Drive with Certified Xbox Green LED Lighting - Black	8 TB	$0.0250	$199.99	bestbuy
3	PNY	PNY - 128GB PRO Elite Class 10 U3 V30 A2 microSDXC Flash Memory Card	128 GB	$0.4296	$54.99	bestbuy
3	Seagate	Seagate Exos 7E8 Enterprise Capacity 3.5 HDD 8TB 7200 RPM SATA 6Gb/s 4Kn 256MB Cache 3.5-Inch Enterprise Hard Disk Drive ST8000NM0045 (Renewed)	8 TB	$0.0269	$215.00	amazon
4	PNY	PNY - 128GB Elite-X Class 10 U3 V30 SDXC Flash Memory Card	128 GB	$0.4296	$54.99	bestbuy
4	Seagate	Seagate 8TB Terascale Enterprise HDD 7200RPM 256MB Cache SATA 6Gb/s 64MB Cache 3.5-Inch Internal Hard Drive (ST8000NC0002) (Renewed)	8 TB	$0.0274	$219.50	amazon
5	PNY	PNY - 64GB Elite-X Class 10 U3 V30 microSDXC Flash Memory Card	64 GB	$0.4686	$29.99	bestbuy
5	Seagate	Seagate Exos 7E8 8TB 512e SATA 256MB Cache 3.5-Inch Enterprise Hard Drive (ST8000NM0055) (Renewed)	8 TB	$0.0288	$230.00	amazon

Which Should You Buy?

Based on current pricing data, Seagate offers better overall value for hard drives (hdd) at an average of $0.0468/GB compared to PNY's $0.7308/GB — that's roughly 94% less per gigabyte.

Seagate's best deal is the Seagate Expansion 22TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP22000400) (22 TB) at $0.0227/GB, while PNY's cheapest option is the PNY - 128GB Attaché 4 USB 2.0 Type A Flash Drive - Black (128 GB) at $0.1562/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 PNY or Seagate cheaper per GB for hard drives (hdd)?

As of May 2026, Seagate averages $0.0468/GB compared to PNY at $0.7308/GB. Seagate is approximately 94% cheaper per gigabyte on average.

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

BuyPerUnit currently tracks 7 PNY products and 65 Seagate products in the hard drives (hdd) category, all ranked by price per gigabyte.

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

The cheapest PNY option is the PNY - 128GB Attaché 4 USB 2.0 Type A Flash Drive - Black at $0.1562/GB ($19.99 for 128 GB).

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

The cheapest Seagate option is the Seagate Expansion 22TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP22000400) at $0.0227/GB ($499.99 for 22 TB).

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