The Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SP04KGBP44UD9005) costs $0.1125/GB while the Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop costs $0.0800/GB. Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop offers 29% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SP04KGBP44UD9005) vs Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop — Which Is Better Value?

Specification Comparison

SpecSilicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SP04KGBP44UD9005)Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop
BrandSP Silicon PowerFikwot
Capacity4 TB4 TB
$/GB$0.1125$0.0800
Price$449.97$319.99
RetailerAmazonAmazon
CategorySSDs & NVMe DrivesSSDs & NVMe Drives
SubcategoryN/Assd

Price Across Retailers

Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SP04KGBP44UD9005)

Amazon$0.1125//GB
$449.97Buy

Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop

Amazon$0.0800//GB
$319.99Buy

Which Should You Buy?

Based on current pricing data, the Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop offers better value at $0.0800//GB compared to the Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SP04KGBP44UD9005) at $0.1125//GB — that's roughly 29% less per gigabyte.

The best deal for the Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop is $319.99 at Amazon, while the Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SP04KGBP44UD9005) starts at $449.97 at Amazon.

However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SP04KGBP44UD9005) and Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop product page for detailed specifications and price history.

Frequently Asked Questions

Is Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SP04KGBP44UD9005) or Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop a better deal?

As of June 2026, Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop offers better value at $0.0800//GB compared to Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SP04KGBP44UD9005) at $0.1125//GB. That is approximately 29% better value per gigabyte.

What is the price per GB of Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SP04KGBP44UD9005)?

The Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SP04KGBP44UD9005) is currently priced at $0.1125/GB ($449.97 for 4 TB) at Amazon.

Where can I buy Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop for the cheapest price?

The cheapest price for the Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop is $319.99 at Amazon, which works out to $0.0800/GB.

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