SanDisk vs Silicon Power SSDs & NVMe Drives

Side-by-side price per gigabyte comparison across 168 products.

As of July 2026, SanDisk averages $0.2520/GB across 145 products while Silicon Power averages $0.2289/GB across 23 products on BuyPerUnit. Silicon Power offers 9% better value per gigabyte for ssds & nvme drives.

SanDisk

Avg $/GB$0.2520

Best $/GB$0.0847

Price Range$0.0847 – $0.8465

Products145

Cheapest Product

SanDisk Portable SSD 2TB USB 3.2 Gen 2, USB-C SDSSDE30-2T00-G26

2TB · $169.45 · newegg

Silicon Power

Better Value

Avg $/GB$0.2289

Best $/GB$0.0844

Price Range$0.0844 – $0.8320

Products23

Cheapest Product

Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE)

4TB · $337.79 · newegg

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	SanDisk	SanDisk Portable SSD 2TB USB 3.2 Gen 2, USB-C SDSSDE30-2T00-G26	2TB	$0.0847	$169.45	newegg
1	Silicon Power	Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE)	4TB	$0.0844	$337.79	newegg
2	SanDisk	SANDISK 8TB Extreme Portable SSD (Old Model) - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive - SDSSDE61-8T00-G25	8 TB	$0.1044	$834.99	amazon
2	Silicon Power	Silicon Power 2TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU002TBSS3A55S25SN)	2TB	$0.1094	$218.79	newegg
3	SanDisk	SanDisk 4TB Extreme External Portable SSD - Up to 1050MB/s - USB-C, USB 3.2 Gen 2 - SDSSDE51-4T00-AW25	4TB	$0.1125	$449.99	newegg
3	Silicon Power	Silicon Power 2TB NVMe PCIe Gen3 x4 M.2 2280 SSD (SU002TBP34A60M28SN)	2TB	$0.1149	$229.79	newegg
4	SanDisk	SANDISK - 8TB Desk Drive USB Type-C Desktop External SSD - Black	8 TB	$0.1125	$899.99	bestbuy
4	Silicon Power	Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SU04KGBP44UD9005SN)	4TB	$0.1189	$475.79	newegg
5	SanDisk	SanDisk 4TB Extreme Portable SSD - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - SDSSDE52-4T00-AC46	4TB	$0.1247	$499.00	newegg
5	Silicon Power	Silicon Power 1TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU001TBSS3A55S25SN)	1TB	$0.1298	$129.79	newegg

Which Should You Buy?

Based on current pricing data, Silicon Power offers better overall value for ssds & nvme drives at an average of $0.2289/GB compared to SanDisk's $0.2520/GB — that's roughly 9% less per gigabyte.

Silicon Power's best deal is the Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) (4TB) at $0.0844/GB, while SanDisk's cheapest option is the SanDisk Portable SSD 2TB USB 3.2 Gen 2, USB-C SDSSDE30-2T00-G26 (2TB) at $0.0847/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 July 2026, Silicon Power averages $0.2289/GB compared to SanDisk at $0.2520/GB. Silicon Power is approximately 9% cheaper per gigabyte on average.

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

BuyPerUnit currently tracks 145 SanDisk products and 23 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 Portable SSD 2TB USB 3.2 Gen 2, USB-C SDSSDE30-2T00-G26 at $0.0847/GB ($169.45 for 2TB).

What is the cheapest Silicon Power ssds & nvme drive per GB?

The cheapest Silicon Power option is the Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) at $0.0844/GB ($337.79 for 4TB).

Explore More

All SSDs & NVMe Drives SanDisk SSDs & NVMe Drives Silicon Power SSDs & NVMe Drives

View all SSDs & NVMe Drives