SanDisk vs Silicon Power SSDs & NVMe Drives

Side-by-side price per gigabyte comparison across 156 products.

As of July 2026, SanDisk averages $0.2445/GB across 133 products while Silicon Power averages $0.2515/GB across 23 products on BuyPerUnit. SanDisk offers 3% better value per gigabyte for ssds & nvme drives.

SanDisk

Better Value
Avg $/GB$0.2445
Best $/GB$0.0847
Price Range$0.0847 – $0.8465
Products133

Silicon Power

Avg $/GB$0.2515
Best $/GB$0.0837
Price Range$0.0837 – $1.0311
Products23

Top Products Compared

RankBrandProductCapacity$/GBPriceRetailer
1SanDiskSanDisk Portable SSD 2TB USB 3.2 Gen 2, USB-C SDSSDE30-2T00-G262TB$0.0847$169.45newegg
1Silicon PowerSilicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE)4TB$0.0837$334.79newegg
2SanDiskSANDISK 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-G258 TB$0.1050$839.99amazon
2Silicon PowerSilicon 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$218.79newegg
3SanDiskSanDisk 4TB Extreme External Portable SSD - Up to 1050MB/s - USB-C, USB 3.2 Gen 2 - SDSSDE51-4T00-AW254TB$0.1125$449.99newegg
3Silicon PowerSilicon Power 2TB NVMe PCIe Gen3 x4 M.2 2280 SSD (SU002TBP34A60M28SN)2TB$0.1149$229.79newegg
4SanDiskSANDISK - 8TB Desk Drive USB Type-C Desktop External SSD - Black8 TB$0.1125$899.99bestbuy
4Silicon PowerSilicon 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$475.79newegg
5SanDiskSanDisk 4TB Extreme Portable SSD - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - SDSSDE52-4T00-AC464TB$0.1247$499.00newegg
5Silicon PowerSilicon 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$129.79newegg

Which Should You Buy?

Based on current pricing data, SanDisk offers better overall value for ssds & nvme drives at an average of $0.2445/GB compared to Silicon Power's $0.2515/GB — that's roughly 3% less per gigabyte.

SanDisk's best deal is the SanDisk Portable SSD 2TB USB 3.2 Gen 2, USB-C SDSSDE30-2T00-G26 (2TB) at $0.0847/GB, while Silicon Power's cheapest 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) (4TB) at $0.0837/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, SanDisk averages $0.2445/GB compared to Silicon Power at $0.2515/GB. SanDisk is approximately 3% cheaper per gigabyte on average.

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

BuyPerUnit currently tracks 133 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 $0.0837/GB ($334.79 for 4TB).

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