SanDisk vs Six Hard Drives & SSDs

Side-by-side price per gigabyte comparison across 120 products.

As of March 2026, SanDisk averages $1.3777/GB across 118 products while Six averages $0.1826/GB across 2 products on BuyPerUnit. Six offers 87% better value per gigabyte for hard drives & ssds.

SanDisk

Avg $/GB$1.3777

Best $/GB$0.0925

Price Range$0.0925 – $47.8109

Products118

Cheapest Product

SANDISK - 8TB Desk Drive USB Type-C Desktop External SSD - Black

8 TB · $739.99 · bestbuy

Six

Better Value

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

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	SanDisk	SANDISK - 8TB Desk Drive USB Type-C Desktop External SSD - Black	8 TB	$0.0925	$739.99	bestbuy
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
2	SanDisk	SANDISK - Extreme Portable 4TB External USB-C NVMe SSD - Black	4 TB	$0.1125	$449.99	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
3	SanDisk	SanDisk 4TB Extreme Portable SSD - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive - SDSSDE61-4T00-G25	4 TB	$0.1125	$449.99	amazon
4	SanDisk	SANDISK - 2TB Creator Phone SSD External USB Type C Drive with Magsafe Compatibility for iPhone 15/16 - Blue	2 TB	$0.1150	$229.99	bestbuy
5	SanDisk	SanDisk 2TB Portable SSD - Up to 800MB/s, USB-C, USB 3.2 Gen 2, Updated Firmware - External Solid State Drive - SDSSDE30-2T00-G26	2 TB	$0.1163	$232.57	amazon

Which Should You Buy?

Based on current pricing data, Six offers better overall value for hard drives & ssds at an average of $0.1826/GB compared to SanDisk's $1.3777/GB — that's roughly 87% less per gigabyte.

Six's best deal 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, while SanDisk's cheapest option is the SANDISK - 8TB Desk Drive USB Type-C Desktop External SSD - Black (8 TB) at $0.0925/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 SanDisk or Six cheaper per GB for hard drives & ssds?

As of March 2026, Six averages $0.1826/GB compared to SanDisk at $1.3777/GB. Six is approximately 87% cheaper per gigabyte on average.

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

BuyPerUnit currently tracks 118 SanDisk products and 2 Six products in the hard drives & ssds category, all ranked by price per gigabyte.

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

The cheapest SanDisk option is the SANDISK - 8TB Desk Drive USB Type-C Desktop External SSD - Black at $0.0925/GB ($739.99 for 8 TB).

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).

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