SanDisk vs Silicon Power SSDs & NVMe Drives

Side-by-side price per gigabyte comparison across 98 products.

As of May 2026, SanDisk averages $0.2536/GB across 95 products while Silicon Power averages $0.1429/GB across 3 products on BuyPerUnit. Silicon Power offers 44% better value per gigabyte for ssds & nvme drives.

SanDisk

Avg $/GB$0.2536

Best $/GB$0.0925

Price Range$0.0925 – $1.4372

Products95

Cheapest Product

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

8 TB · $739.99 · bestbuy

Silicon Power

Better Value

Avg $/GB$0.1429

Best $/GB$0.1225

Price Range$0.1225 – $0.1587

Products3

Cheapest Product

Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SP04KGBP44UD9005)

4 TB · $489.97 · 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	Silicon Power	Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SP04KGBP44UD9005)	4 TB	$0.1225	$489.97	amazon
2	SanDisk	SANDISK - Extreme Portable 8TB External USB-C NVMe SSD - Black	8 TB	$0.1050	$839.99	bestbuy
2	Silicon Power	Silicon Power 2TB UD90 2230 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,200MB/s Solid State Drive Compatible with Steam Deck (SU02KGBP44UD9007MM)	2 TB	$0.1475	$294.97	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
3	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
4	SanDisk	SANDISK 2TB Extreme Portable SSD, Officially Licensed for PlayStation 5 Console and PC - up to 1000MB/s, USB-C, USB 3.2 Gen 2, Drop Protection - External Solid State Drive - SDSSDE62P-2T00-G25	2 TB	$0.1200	$239.99	amazon
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	$0.1303	$260.56	amazon

Which Should You Buy?

Based on current pricing data, Silicon Power offers better overall value for ssds & nvme drives at an average of $0.1429/GB compared to SanDisk's $0.2536/GB — that's roughly 44% less per gigabyte.

Silicon Power's best deal is the Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SP04KGBP44UD9005) (4 TB) at $0.1225/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 ssds & nvme drives?

As of May 2026, Silicon Power averages $0.1429/GB compared to SanDisk at $0.2536/GB. Silicon Power is approximately 44% cheaper per gigabyte on average.

How many SanDisk and Silicon Power ssds & nvme drives does BuyPerUnit track?

BuyPerUnit currently tracks 95 SanDisk products and 3 Silicon Power products in the ssds & nvme drives category, all ranked by price per gigabyte.

What is the cheapest SanDisk ssds & nvme drive 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 ssds & nvme drive per GB?

The cheapest Silicon Power option is the Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SP04KGBP44UD9005) at $0.1225/GB ($489.97 for 4 TB).

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