SanDisk vs Silicon Power SSDs & NVMe Drives

Side-by-side price per gigabyte comparison across 146 products.

As of August 2026, SanDisk averages $0.2278/GB across 127 products while Silicon Power averages $0.2297/GB across 19 products on BuyPerUnit. SanDisk offers 1% better value per gigabyte for ssds & nvme drives.

SanDisk

Better Value

Silicon Power

Avg $/GB$0.2297
Best $/GB$0.0844
Price Range$0.0844 – $0.5680
Products19

Top Products Compared

RankBrandProductCapacity$/GBPriceRetailer
1SanDiskSANDISK 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
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$0.0844$337.79newegg
2SanDiskSANDISK - 8TB Desk Drive USB Type-C Desktop External SSD - Black8 TB$0.1125$899.99bestbuy
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$0.0999$199.79newegg
3SanDiskSanDisk 2TB Extreme Portable SSD - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State2TB$0.1300$259.90newegg
3Silicon PowerSilicon Power 2TB NVMe PCIe Gen3 x4 M.2 2280 SSD (SU002TBP34A60M28SN)2TB$0.1214$242.79newegg
4SanDiskWD Blue SA510 2TB SATA SSD - SATA III 6 Gb/s, M.2 2280, Internal Solid State Drive, Up to 560 MB/s - WDS2 TB$0.1300$259.99amazon
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$0.1262$504.79newegg
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$0.1325$530.00newegg
5Silicon PowerSilicon Power 2TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s2TB$0.1324$264.79newegg

Which Should You Buy?

Based on current pricing data, SanDisk offers better overall value for ssds & nvme drives at an average of $0.2278/GB compared to Silicon Power's $0.2297/GB — that's roughly 1% less per gigabyte.

SanDisk's best deal is the 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) at $0.1050/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 $0.0844/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 August 2026, SanDisk averages $0.2278/GB compared to Silicon Power at $0.2297/GB. SanDisk is approximately 1% cheaper per gigabyte on average.

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

BuyPerUnit currently tracks 127 SanDisk products and 19 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 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 at $0.1050/GB ($839.99 for 8 TB).

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

The cheapest Silicon Power option is the Silicon Power 4TB 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).

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