Silicon Power vs Western Digital SSDs & NVMe Drives

Side-by-side price per gigabyte comparison across 135 products.

As of July 2026, Silicon Power averages $0.2515/GB across 23 products while Western Digital averages $0.2445/GB across 112 products on BuyPerUnit. Western Digital offers 3% better value per gigabyte for ssds & nvme drives.

Silicon Power

Avg $/GB$0.2515

Best $/GB$0.0837

Price Range$0.0837 – $1.0311

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 · $334.79 · newegg

Western Digital

Better Value

Avg $/GB$0.2445

Best $/GB$0.1075

Price Range$0.1075 – $0.6360

Products112

Cheapest Product

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 · $860.00 · newegg

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
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	$0.0837	$334.79	newegg
1	Western Digital	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	$0.1075	$860.00	newegg
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
2	Western Digital	Western 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	$445.00	amazon
3	Silicon Power	Silicon Power 2TB NVMe PCIe Gen3 x4 M.2 2280 SSD (SU002TBP34A60M28SN)	2TB	$0.1149	$229.79	newegg
3	Western Digital	Western Digital BLACK P50 4TB USB 3.2 Gen 2x2, USB-C Game Drive SSD	4TB	$0.1165	$465.99	newegg
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
4	Western Digital	Western Digital 4TB WD Blue SN5000 NVMe SSD, PCIe Gen 4.0, up to 5,500 MB/s Read Speeds Internal Solid State Drive (SSD) WDS400T4B0E	4TB	$0.1175	$470.00	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
5	Western Digital	Western Digital 2TB WD Green SN350 NVMe Internal SSD Solid State Drive - Gen3 PCIe, QLC, M.2 2280, Up to 3,200 MB/s - WDS200T3G0C	2 TB	$0.1213	$242.63	amazon

Which Should You Buy?

Based on current pricing data, Western Digital 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.

Western Digital's best deal 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, 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 Silicon Power or Western Digital cheaper per GB for ssds & nvme drives?

As of July 2026, Western Digital averages $0.2445/GB compared to Silicon Power at $0.2515/GB. Western Digital is approximately 3% 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 112 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 $0.0837/GB ($334.79 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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