Hdd vs Western Digital Hard Drives & SSDs

Side-by-side price per gigabyte comparison across 101 products.

As of March 2026, Hdd averages $3.6630/GB across 3 products while Western Digital averages $0.1167/GB across 98 products on BuyPerUnit. Western Digital offers 97% better value per gigabyte for hard drives & ssds.

Hdd

Avg $/GB$3.6630

Best $/GB$0.2282

Price Range$0.2282 – $10.3308

Products3

Cheapest Product

HDD For Hard Disk X3550M3 M4 X3650M3 M4 81Y9726 81Y9727 500GB 7.2K SATA 2.5' Hard Drive

500GB · $114.11 · newegg

Western Digital

Better Value

Avg $/GB$0.1167

Best $/GB$0.0217

Price Range$0.0217 – $1.1990

Products98

Cheapest Product

WD - easystore 18TB External USB 3.0 Hard Drive - Black

18 TB · $389.99 · bestbuy

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	Hdd	HDD For Hard Disk X3550M3 M4 X3650M3 M4 81Y9726 81Y9727 500GB 7.2K SATA 2.5' Hard Drive	500GB	$0.2282	$114.11	newegg
1	Western Digital	WD - easystore 18TB External USB 3.0 Hard Drive - Black	18 TB	$0.0217	$389.99	bestbuy
2	Hdd	HDD For Hard Disk 300GB 15K FC 3.5' Hard Drive DS4700 DS5020 42D0417 42D0410 5414	300GB	$0.4300	$129.00	newegg
2	Western Digital	WD - easystore 20TB External USB 3.0 Hard Drive - Black	20 TB	$0.0220	$439.99	bestbuy
3	Hdd	HDD For Hard Disk X3650M5 X3850X6 00WG685 00WG686 300G 10K 12GB 2.5' Hard Drive	12GB	$10.3308	$123.97	newegg
3	Western Digital	WD 16TB My Book Desktop External Hard Drive, USB 3.0, External HDD with Password Protection and Backup Software - WDBBGB0160HBK-NESN	16 TB	$0.0225	$360.49	amazon
4	Western Digital	WD 18TB My Book Desktop External Hard Drive, USB 3.0, External HDD with Password Protection and Auto Backup Software - WDBBGB0180HBK-NESN	18 TB	$0.0233	$419.99	amazon
5	Western Digital	Western Digital 10TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD100EAGZ	10 TB	$0.0240	$239.99	amazon

Which Should You Buy?

Based on current pricing data, Western Digital offers better overall value for hard drives & ssds at an average of $0.1167/GB compared to Hdd's $3.6630/GB — that's roughly 97% less per gigabyte.

Western Digital's best deal is the WD - easystore 18TB External USB 3.0 Hard Drive - Black (18 TB) at $0.0217/GB, while Hdd's cheapest option is the HDD For Hard Disk X3550M3 M4 X3650M3 M4 81Y9726 81Y9727 500GB 7.2K SATA 2.5' Hard Drive (500GB) at $0.2282/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 Hdd or Western Digital cheaper per GB for hard drives & ssds?

As of March 2026, Western Digital averages $0.1167/GB compared to Hdd at $3.6630/GB. Western Digital is approximately 97% cheaper per gigabyte on average.

How many Hdd and Western Digital hard drives & ssds does BuyPerUnit track?

BuyPerUnit currently tracks 3 Hdd products and 98 Western Digital products in the hard drives & ssds category, all ranked by price per gigabyte.

What is the cheapest Hdd hard drives & ssd per GB?

The cheapest Hdd option is the HDD For Hard Disk X3550M3 M4 X3650M3 M4 81Y9726 81Y9727 500GB 7.2K SATA 2.5' Hard Drive at $0.2282/GB ($114.11 for 500GB).

What is the cheapest Western Digital hard drives & ssd per GB?

The cheapest Western Digital option is the WD - easystore 18TB External USB 3.0 Hard Drive - Black at $0.0217/GB ($389.99 for 18 TB).

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