External vs SanDisk Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 119 products.
As of March 2026, External averages $0.0281/GB across 1 products while SanDisk averages $1.3777/GB across 118 products on BuyPerUnit. External offers 98% better value per gigabyte for hard drives & ssds.
External
Better ValueCheapest Product
External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R1TB · $28.11 · newegg
SanDisk
Cheapest Product
SANDISK - 8TB Desk Drive USB Type-C Desktop External SSD - Black8 TB · $739.99 · bestbuy
Top Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | External | External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R | 1TB | $0.0281 | $28.11 | newegg |
| 1 | SanDisk | SANDISK - 8TB Desk Drive USB Type-C Desktop External SSD - Black | 8 TB | $0.0925 | $739.99 | bestbuy |
| 2 | SanDisk | SANDISK - Extreme Portable 4TB External USB-C NVMe SSD - Black | 4 TB | $0.1125 | $449.99 | bestbuy |
| 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, External offers better overall value for hard drives & ssds at an average of $0.0281/GB compared to SanDisk's $1.3777/GB — that's roughly 98% less per gigabyte.
External's best deal is the External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R (1TB) at $0.0281/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 External or SanDisk cheaper per GB for hard drives & ssds?
As of March 2026, External averages $0.0281/GB compared to SanDisk at $1.3777/GB. External is approximately 98% cheaper per gigabyte on average.
How many External and SanDisk hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 1 External products and 118 SanDisk products in the hard drives & ssds category, all ranked by price per gigabyte.
What is the cheapest External hard drives & ssd per GB?
The cheapest External option is the External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R at $0.0281/GB ($28.11 for 1TB).
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).