The KingSpec ONEBOOM X400 2280 4TB M.2 NVMe 1.4 PCIe 4.0 Gen4 Gaming SSD, Speed Up to 7400MB/s, 3D TLC NAND, Internal Solid State Disk Compatible for PS5 costs $0.1300/GB while 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) costs $0.0837/GB. Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) offers 36% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
KingSpec ONEBOOM X400 2280 4TB M.2 NVMe 1.4 PCIe 4.0 Gen4 Gaming SSD, Speed Up to 7400MB/s, 3D TLC NAND, Internal Solid State Disk Compatible for PS5 vs Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) — Which Is Better Value?
Specification Comparison
| Spec | KingSpec ONEBOOM X400 2280 4TB M.2 NVMe 1.4 PCIe 4.0 Gen4 Gaming SSD, Speed Up to 7400MB/s, 3D TLC NAND, Internal Solid State Disk Compatible for PS5 | Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) |
|---|---|---|
| Brand | KingSpec | Silicon Power |
| Capacity | 4TB | 4TB |
| $/GB | $0.1300 | $0.0837 |
| Price | $519.99 | $334.79 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
KingSpec ONEBOOM X400 2280 4TB M.2 NVMe 1.4 PCIe 4.0 Gen4 Gaming SSD, Speed Up to 7400MB/s, 3D TLC NAND, Internal Solid State Disk Compatible for PS5
Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE)
Which Should You Buy?
Based on current pricing data, 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) offers better value at $0.0837//GB compared to the KingSpec ONEBOOM X400 2280 4TB M.2 NVMe 1.4 PCIe 4.0 Gen4 Gaming SSD, Speed Up to 7400MB/s, 3D TLC NAND, Internal Solid State Disk Compatible for PS5 at $0.1300//GB — that's roughly 36% less per gigabyte.
The best deal for 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) is $334.79 at Newegg, while the KingSpec ONEBOOM X400 2280 4TB M.2 NVMe 1.4 PCIe 4.0 Gen4 Gaming SSD, Speed Up to 7400MB/s, 3D TLC NAND, Internal Solid State Disk Compatible for PS5 starts at $519.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each KingSpec ONEBOOM X400 2280 4TB M.2 NVMe 1.4 PCIe 4.0 Gen4 Gaming SSD, Speed Up to 7400MB/s, 3D TLC NAND, Internal Solid State Disk Compatible for PS5 and Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) product page for detailed specifications and price history.
Frequently Asked Questions
Is KingSpec ONEBOOM X400 2280 4TB M.2 NVMe 1.4 PCIe 4.0 Gen4 Gaming SSD, Speed Up to 7400MB/s, 3D TLC NAND, Internal Solid State Disk Compatible for PS5 or Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) a better deal?
As of July 2026, Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) offers better value at $0.0837//GB compared to KingSpec ONEBOOM X400 2280 4TB M.2 NVMe 1.4 PCIe 4.0 Gen4 Gaming SSD, Speed Up to 7400MB/s, 3D TLC NAND, Internal Solid State Disk Compatible for PS5 at $0.1300//GB. That is approximately 36% better value per gigabyte.
What is the price per GB of KingSpec ONEBOOM X400 2280 4TB M.2 NVMe 1.4 PCIe 4.0 Gen4 Gaming SSD, Speed Up to 7400MB/s, 3D TLC NAND, Internal Solid State Disk Compatible for PS5?
The KingSpec ONEBOOM X400 2280 4TB M.2 NVMe 1.4 PCIe 4.0 Gen4 Gaming SSD, Speed Up to 7400MB/s, 3D TLC NAND, Internal Solid State Disk Compatible for PS5 is currently priced at $0.1300/GB ($519.99 for 4TB) at Newegg.
Where can I buy Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) for the cheapest price?
The cheapest price for 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) is $334.79 at Newegg, which works out to $0.0837/GB.