SanDisk vs Silicon Power Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 160 products.
As of March 2026, SanDisk averages $1.1078/GB across 159 products while Silicon Power averages $0.1587/GB across 1 products on BuyPerUnit. Silicon Power offers 86% better value per gigabyte for hard drives & ssds.
SanDisk
Cheapest Product
SANDISK - 8TB Desk Drive USB Type-C Desktop External SSD - Black8 TB · $739.99 · bestbuy
Silicon Power
Better ValueCheapest Product
SSD Solid State Drive 2.5'' R-Rem-SLL-A55 For SP Silicon Power A55 256GB A 55256GB · $40.63 · newegg
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 | Silicon Power | SSD Solid State Drive 2.5'' R-Rem-SLL-A55 For SP Silicon Power A55 256GB A 55 | 256GB | $0.1587 | $40.63 | newegg |
| 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, Silicon Power offers better overall value for hard drives & ssds at an average of $0.1587/GB compared to SanDisk's $1.1078/GB — that's roughly 86% less per gigabyte.
Silicon Power's best deal is the SSD Solid State Drive 2.5'' R-Rem-SLL-A55 For SP Silicon Power A55 256GB A 55 (256GB) at $0.1587/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 Silicon Power cheaper per GB for hard drives & ssds?
As of March 2026, Silicon Power averages $0.1587/GB compared to SanDisk at $1.1078/GB. Silicon Power is approximately 86% cheaper per gigabyte on average.
How many SanDisk and Silicon Power hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 159 SanDisk products and 1 Silicon Power 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 Silicon Power hard drives & ssd per GB?
The cheapest Silicon Power option is the SSD Solid State Drive 2.5'' R-Rem-SLL-A55 For SP Silicon Power A55 256GB A 55 at $0.1587/GB ($40.63 for 256GB).