Silicon Power vs Western Digital SSDs & NVMe Drives

Side-by-side price per gigabyte comparison across 140 products.

As of August 2026, Silicon Power averages $0.2297/GB across 19 products while Western Digital averages $0.2464/GB across 121 products on BuyPerUnit. Silicon Power offers 7% better value per gigabyte for ssds & nvme drives.

Silicon Power

Better Value

Avg $/GB$0.2297

Best $/GB$0.0844

Price Range$0.0844 – $0.5680

Products19

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

Western Digital

Avg $/GB$0.2464

Best $/GB$0.1087

Price Range$0.1087 – $1.1960

Products121

Cheapest Product

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) WDS

4TB · $434.67 · 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	$0.0844	$337.79	newegg
1	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) WDS	4TB	$0.1087	$434.67	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	$0.0999	$199.79	newegg
2	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) WDS	4TB	$0.1137	$454.99	newegg
3	Silicon Power	Silicon Power 2TB NVMe PCIe Gen3 x4 M.2 2280 SSD (SU002TBP34A60M28SN)	2TB	$0.1214	$242.79	newegg
3	Western Digital	Western Digital 1TB WD Green SN350 NVMe Internal SSD Solid State Drive - Gen3 PCIe, QLC, M.2 2280, Up to 3,200 MB/s - WDS	1 TB	$0.1171	$117.13	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	$0.1262	$504.79	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) WDS	4TB	$0.1175	$470.00	newegg
5	Silicon Power	Silicon Power 2TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s	2TB	$0.1324	$264.79	newegg
5	Western Digital	Western Digital WD_BLACK 2TB SN770 NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 2280, Up to 5,150 MB/s - WDS	2TB	$0.1208	$241.56	newegg

Which Should You Buy?

Based on current pricing data, Silicon Power offers better overall value for ssds & nvme drives at an average of $0.2297/GB compared to Western Digital's $0.2464/GB — that's roughly 7% 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 4TB WD Blue SN5000 NVMe SSD, PCIe Gen 4.0, up to 5,500 MB/s Read Speeds Internal Solid State Drive (SSD) WDS (4TB) at $0.1087/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 August 2026, Silicon Power averages $0.2297/GB compared to Western Digital at $0.2464/GB. Silicon Power is approximately 7% cheaper per gigabyte on average.

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

BuyPerUnit currently tracks 19 Silicon Power products and 121 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 4TB WD Blue SN5000 NVMe SSD, PCIe Gen 4.0, up to 5,500 MB/s Read Speeds Internal Solid State Drive (SSD) WDS at $0.1087/GB ($434.67 for 4TB).

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