The X5 Data Pro 1TB 2.5" SATA III SSD (NOT NVMe/M.2) – Budget Internal Solid State Drive for Laptop & Desktop – Basic Performance Storage costs $0.0850/GB while the Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) costs $0.2576/GB. X5 Data Pro 1TB 2.5" SATA III SSD (NOT NVMe/M.2) – Budget Internal Solid State Drive for Laptop & Desktop – Basic Performance Storage offers 67% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

X5 Data Pro 1TB 2.5" SATA III SSD (NOT NVMe/M.2) – Budget Internal Solid State Drive for Laptop & Desktop – Basic Performance Storage vs Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) — Which Is Better Value?

Specification Comparison

SpecX5 Data Pro 1TB 2.5" SATA III SSD (NOT NVMe/M.2) – Budget Internal Solid State Drive for Laptop & Desktop – Basic Performance StorageSilicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH)
BrandX5 Data ProSP Silicon Power
Capacity1 TB128 GB
$/GB$0.0850$0.2576
Price$84.99$32.97
RetailerAmazonAmazon
CategorySSDs & NVMe DrivesSSDs & NVMe Drives
Subcategoryssdssd

Price Across Retailers

X5 Data Pro 1TB 2.5" SATA III SSD (NOT NVMe/M.2) – Budget Internal Solid State Drive for Laptop & Desktop – Basic Performance Storage

Amazon$0.0850//GB
$84.99Buy

Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH)

Amazon$0.2576//GB
$32.97Buy

Which Should You Buy?

Based on current pricing data, the X5 Data Pro 1TB 2.5" SATA III SSD (NOT NVMe/M.2) – Budget Internal Solid State Drive for Laptop & Desktop – Basic Performance Storage offers better value at $0.0850//GB compared to the Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) at $0.2576//GB — that's roughly 67% less per gigabyte.

The best deal for the X5 Data Pro 1TB 2.5" SATA III SSD (NOT NVMe/M.2) – Budget Internal Solid State Drive for Laptop & Desktop – Basic Performance Storage is $84.99 at Amazon, while the Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) starts at $32.97 at Amazon.

However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each X5 Data Pro 1TB 2.5" SATA III SSD (NOT NVMe/M.2) – Budget Internal Solid State Drive for Laptop & Desktop – Basic Performance Storage and Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) product page for detailed specifications and price history.

Frequently Asked Questions

Is X5 Data Pro 1TB 2.5" SATA III SSD (NOT NVMe/M.2) – Budget Internal Solid State Drive for Laptop & Desktop – Basic Performance Storage or Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) a better deal?

As of June 2026, X5 Data Pro 1TB 2.5" SATA III SSD (NOT NVMe/M.2) – Budget Internal Solid State Drive for Laptop & Desktop – Basic Performance Storage offers better value at $0.0850//GB compared to Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) at $0.2576//GB. That is approximately 67% better value per gigabyte.

What is the price per GB of X5 Data Pro 1TB 2.5" SATA III SSD (NOT NVMe/M.2) – Budget Internal Solid State Drive for Laptop & Desktop – Basic Performance Storage?

The X5 Data Pro 1TB 2.5" SATA III SSD (NOT NVMe/M.2) – Budget Internal Solid State Drive for Laptop & Desktop – Basic Performance Storage is currently priced at $0.0850/GB ($84.99 for 1 TB) at Amazon.

Where can I buy Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) for the cheapest price?

The cheapest price for the Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) is $32.97 at Amazon, which works out to $0.2576/GB.

Compare With Similar Products