Silicon Power vs Western Digital SSDs & NVMe Drives

Side-by-side price per gigabyte comparison across 136 products.

As of July 2026, Silicon Power averages $0.2289/GB across 23 products while Western Digital averages $0.2414/GB across 113 products on BuyPerUnit. Silicon Power offers 5% better value per gigabyte for ssds & nvme drives.

Silicon Power

Better Value
Avg $/GB$0.2289
Best $/GB$0.0844
Price Range$0.0844 – $0.8320
Products23

Western Digital

Avg $/GB$0.2414
Best $/GB$0.1075
Price Range$0.1075 – $0.6360
Products113

Top Products Compared

RankBrandProductCapacity$/GBPriceRetailer
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
1Western DigitalWestern Digital WD_BLACK SN850P NVMe SSD for PS5 consoles M.2 2280 8TB PCI-Express 4.0 x4 Internal Solid State Drive (SSD) WDBBYV0080BNC-WRSN8TB$0.1075$860.00newegg
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
2Western DigitalWestern Digital 4TB WD Blue SN5000 NVMe Internal Solid State Drive SSD - PCIe Gen 4.0, M.2 2280, Up to 5,500 MB/s - WDS400T4B0E [New Generation]4 TB$0.1113$445.00amazon
3Silicon PowerSilicon Power 2TB NVMe PCIe Gen3 x4 M.2 2280 SSD (SU002TBP34A60M28SN)2TB$0.1149$229.79newegg
3Western DigitalWestern Digital BLACK P50 4TB USB 3.2 Gen 2x2, USB-C Game Drive SSD4TB$0.1165$465.99newegg
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
4Western DigitalWestern Digital 4TB WD Blue SN5000 NVMe SSD, PCIe Gen 4.0, up to 5,500 MB/s Read Speeds Internal Solid State Drive (SSD) WDS400T4B0E4TB$0.1175$470.00newegg
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
5Western DigitalWestern Digital 2TB WD Green SN350 NVMe Internal SSD Solid State Drive - Gen3 PCIe, QLC, M.2 2280, Up to 3,200 MB/s - WDS200T3G0C2 TB$0.1245$249.00amazon

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 Western Digital's $0.2414/GB — that's roughly 5% 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 Western Digital's cheapest option is the Western Digital WD_BLACK SN850P NVMe SSD for PS5 consoles M.2 2280 8TB PCI-Express 4.0 x4 Internal Solid State Drive (SSD) WDBBYV0080BNC-WRSN (8TB) at $0.1075/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 Silicon Power or Western Digital cheaper per GB for ssds & nvme drives?

As of July 2026, Silicon Power averages $0.2289/GB compared to Western Digital at $0.2414/GB. Silicon Power is approximately 5% cheaper per gigabyte on average.

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

BuyPerUnit currently tracks 23 Silicon Power products and 113 Western Digital products in the ssds & nvme drives category, all ranked by price per gigabyte.

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).

What is the cheapest Western Digital ssds & nvme drive per GB?

The cheapest Western Digital option is the Western Digital WD_BLACK SN850P NVMe SSD for PS5 consoles M.2 2280 8TB PCI-Express 4.0 x4 Internal Solid State Drive (SSD) WDBBYV0080BNC-WRSN at $0.1075/GB ($860.00 for 8TB).

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