Six vs Western Digital Hard Drives & SSDs

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

As of March 2026, Six averages $0.1826/GB across 2 products while Western Digital averages $0.1158/GB across 99 products on BuyPerUnit. Western Digital offers 37% better value per gigabyte for hard drives & ssds.

Six

Avg $/GB$0.1826

Best $/GB$0.1700

Price Range$0.1700 – $0.1953

Products2

Cheapest Product

SIX NVME M.2 SSD PCIe 4.0-1TB m.2 2280 ssd, Read UP to 7350MB/s 1TB for Gaming PS5 Memory Storage Expansion with Heatsink, Internal Solid State Hard Drive PCIe gen 4x4 Nvme for Laptop Desktop pc

1 TB · $169.99 · amazon

Western Digital

Better Value

Avg $/GB$0.1158

Best $/GB$0.0217

Price Range$0.0217 – $1.1990

Products99

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	Six	SIX NVME M.2 SSD PCIe 4.0-1TB m.2 2280 ssd, Read UP to 7350MB/s 1TB for Gaming PS5 Memory Storage Expansion with Heatsink, Internal Solid State Hard Drive PCIe gen 4x4 Nvme for Laptop Desktop pc	1 TB	$0.1700	$169.99	amazon
1	Western Digital	WD - easystore 18TB External USB 3.0 Hard Drive - Black	18 TB	$0.0217	$389.99	bestbuy
2	Six	SIX NVME M.2 SSD PCIe 4.0-512GB m.2 2280 ssd, Read UP to 7100MB/s 512GB for Gaming PS5 Memory Storage Expansion with Heatsink, Internal Solid State Hard Drive PCIe gen 4x4 Nvme for Laptop Desktop pc	512 GB	$0.1953	$99.99	amazon
2	Western Digital	WD - easystore 20TB External USB 3.0 Hard Drive - Black	20 TB	$0.0220	$439.99	bestbuy
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 $0.1158/GB compared to Six's $0.1826/GB — that's roughly 37% 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 Six's cheapest option is the SIX NVME M.2 SSD PCIe 4.0-1TB m.2 2280 ssd, Read UP to 7350MB/s 1TB for Gaming PS5 Memory Storage Expansion with Heatsink, Internal Solid State Hard Drive PCIe gen 4x4 Nvme for Laptop Desktop pc (1 TB) at $0.1700/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 Six or Western Digital cheaper per GB for hard drives & ssds?

As of March 2026, Western Digital averages $0.1158/GB compared to Six at $0.1826/GB. Western Digital is approximately 37% cheaper per gigabyte on average.

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

BuyPerUnit currently tracks 2 Six products and 99 Western Digital products in the hard drives & ssds category, all ranked by price per gigabyte.

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

The cheapest Six option is the SIX NVME M.2 SSD PCIe 4.0-1TB m.2 2280 ssd, Read UP to 7350MB/s 1TB for Gaming PS5 Memory Storage Expansion with Heatsink, Internal Solid State Hard Drive PCIe gen 4x4 Nvme for Laptop Desktop pc at $0.1700/GB ($169.99 for 1 TB).

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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