The SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) costs $0.0825/GB while the Samsung 990 EVO Plus SSD 4TB, PCIe Gen 4x4 | Gen 5x2 M.2, Speeds Up-to 7,250 MB/s, Upgrade Storage for PC/Laptops, HMB Technology and Intelligent Turbowrite 2.0, (MZ-V9S4T0B/AM) costs $0.1948/GB. SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) offers 58% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) vs Samsung 990 EVO Plus SSD 4TB, PCIe Gen 4x4 | Gen 5x2 M.2, Speeds Up-to 7,250 MB/s, Upgrade Storage for PC/Laptops, HMB Technology and Intelligent Turbowrite 2.0, (MZ-V9S4T0B/AM) — Which Is Better Value?
Specification Comparison
| Spec | SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) | Samsung 990 EVO Plus SSD 4TB, PCIe Gen 4x4 | Gen 5x2 M.2, Speeds Up-to 7,250 MB/s, Upgrade Storage for PC/Laptops, HMB Technology and Intelligent Turbowrite 2.0, (MZ-V9S4T0B/AM) |
|---|---|---|
| Brand | SP Silicon Power | Samsung |
| Capacity | 4 TB | 4 TB |
| $/GB | $0.0825 | $0.1948 |
| Price | $329.97 | $779.00 |
| Retailer | Amazon | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | nvme |
Price Across Retailers
SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25)
Samsung 990 EVO Plus SSD 4TB, PCIe Gen 4x4 | Gen 5x2 M.2, Speeds Up-to 7,250 MB/s, Upgrade Storage for PC/Laptops, HMB Technology and Intelligent Turbowrite 2.0, (MZ-V9S4T0B/AM)
Which Should You Buy?
Based on current pricing data, the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) offers better value at $0.0825//GB compared to the Samsung 990 EVO Plus SSD 4TB, PCIe Gen 4x4 | Gen 5x2 M.2, Speeds Up-to 7,250 MB/s, Upgrade Storage for PC/Laptops, HMB Technology and Intelligent Turbowrite 2.0, (MZ-V9S4T0B/AM) at $0.1948//GB — that's roughly 58% less per gigabyte.
The best deal for the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) is $329.97 at Amazon, while the Samsung 990 EVO Plus SSD 4TB, PCIe Gen 4x4 | Gen 5x2 M.2, Speeds Up-to 7,250 MB/s, Upgrade Storage for PC/Laptops, HMB Technology and Intelligent Turbowrite 2.0, (MZ-V9S4T0B/AM) starts at $779.00 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) and Samsung 990 EVO Plus SSD 4TB, PCIe Gen 4x4 | Gen 5x2 M.2, Speeds Up-to 7,250 MB/s, Upgrade Storage for PC/Laptops, HMB Technology and Intelligent Turbowrite 2.0, (MZ-V9S4T0B/AM) product page for detailed specifications and price history.
Frequently Asked Questions
Is SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) or Samsung 990 EVO Plus SSD 4TB, PCIe Gen 4x4 | Gen 5x2 M.2, Speeds Up-to 7,250 MB/s, Upgrade Storage for PC/Laptops, HMB Technology and Intelligent Turbowrite 2.0, (MZ-V9S4T0B/AM) a better deal?
As of June 2026, SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) offers better value at $0.0825//GB compared to Samsung 990 EVO Plus SSD 4TB, PCIe Gen 4x4 | Gen 5x2 M.2, Speeds Up-to 7,250 MB/s, Upgrade Storage for PC/Laptops, HMB Technology and Intelligent Turbowrite 2.0, (MZ-V9S4T0B/AM) at $0.1948//GB. That is approximately 58% better value per gigabyte.
What is the price per GB of SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25)?
The SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) is currently priced at $0.0825/GB ($329.97 for 4 TB) at Amazon.
Where can I buy Samsung 990 EVO Plus SSD 4TB, PCIe Gen 4x4 | Gen 5x2 M.2, Speeds Up-to 7,250 MB/s, Upgrade Storage for PC/Laptops, HMB Technology and Intelligent Turbowrite 2.0, (MZ-V9S4T0B/AM) for the cheapest price?
The cheapest price for the Samsung 990 EVO Plus SSD 4TB, PCIe Gen 4x4 | Gen 5x2 M.2, Speeds Up-to 7,250 MB/s, Upgrade Storage for PC/Laptops, HMB Technology and Intelligent Turbowrite 2.0, (MZ-V9S4T0B/AM) is $779.00 at Amazon, which works out to $0.1948/GB.