Cms vs Western Digital Hard Drives & SSDs

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

As of March 2026, Cms averages $0.1009/GB across 3 products while Western Digital averages $0.1167/GB across 98 products on BuyPerUnit. Cms offers 14% better value per gigabyte for hard drives & ssds.

Cms

Better Value

Avg $/GB$0.1009

Best $/GB$0.0889

Price Range$0.0889 – $0.1250

Products3

Cheapest Product

CMS 512GB mini m-SATA SSD Drive SATA III 6GB/s Compatible with Dell Inspiron 14 (5447), Inspiron 15 (5547), Inspiron 15 (7537) - C65

512GB · $45.50 · newegg

Western Digital

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	Cms	CMS 512GB mini m-SATA SSD Drive SATA III 6GB/s Compatible with Dell Inspiron 14 (5447), Inspiron 15 (5547), Inspiron 15 (7537) - C65	512GB	$0.0889	$45.50	newegg
1	Western Digital	WD - easystore 18TB External USB 3.0 Hard Drive - Black	18 TB	$0.0217	$389.99	bestbuy
2	Cms	CMS 512GB mini m-SATA SSD Drive SATA III 6GB/s Compatible with Dell Latitude Latitude 14 (E7450), Latitude 14 Rugged Extreme (7404), Latitude 7000...	512GB	$0.0889	$45.50	newegg
2	Western Digital	WD - easystore 20TB External USB 3.0 Hard Drive - Black	20 TB	$0.0220	$439.99	bestbuy
3	Cms	CMS 1TB mini m-SATA SSD Drive SATA III 6GB/s Compatible with Lenovo IdeaPad Yoga 13, Yoga 11s - D96	1TB	$0.1250	$125.00	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, Cms offers better overall value for hard drives & ssds at an average of $0.1009/GB compared to Western Digital's $0.1167/GB — that's roughly 14% less per gigabyte.

Cms's best deal is the CMS 512GB mini m-SATA SSD Drive SATA III 6GB/s Compatible with Dell Inspiron 14 (5447), Inspiron 15 (5547), Inspiron 15 (7537) - C65 (512GB) at $0.0889/GB, while Western Digital's cheapest option is the WD - easystore 18TB External USB 3.0 Hard Drive - Black (18 TB) at $0.0217/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 Cms or Western Digital cheaper per GB for hard drives & ssds?

As of March 2026, Cms averages $0.1009/GB compared to Western Digital at $0.1167/GB. Cms is approximately 14% cheaper per gigabyte on average.

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

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

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

The cheapest Cms option is the CMS 512GB mini m-SATA SSD Drive SATA III 6GB/s Compatible with Dell Inspiron 14 (5447), Inspiron 15 (5547), Inspiron 15 (7537) - C65 at $0.0889/GB ($45.50 for 512GB).

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).

Explore More

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