The KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive costs $0.1160/GB while the Silicon Power 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005 costs $0.3540/GB. KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive offers 67% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive vs Silicon Power 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005 — Which Is Better Value?
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Specification Comparison
| Spec | KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive | Silicon Power 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005 |
|---|---|---|
| Brand | KingSpec | Silicon Power |
| Capacity | 1TB | 500GB |
| $/GB | $0.1160 | $0.3540 |
| Price | $115.99 | $176.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | nvme |
Price Across Retailers
KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive
Silicon Power 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005
Which Should You Buy?
Based on current pricing data, the KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive offers better value at $0.1160//GB compared to the Silicon Power 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005 at $0.3540//GB — that's roughly 67% less per gigabyte.
The best deal for the KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive is $115.99 at Newegg, while the Silicon Power 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005 starts at $176.99 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 MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive and Silicon Power 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005 product page for detailed specifications and price history.
Frequently Asked Questions
Is KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive or Silicon Power 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005 a better deal?
As of August 2026, KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive offers better value at $0.1160//GB compared to Silicon Power 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005 at $0.3540//GB. That is approximately 67% better value per gigabyte.
What is the price per GB of KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive?
The KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive is currently priced at $0.1160/GB ($115.99 for 1TB) at Newegg.
Where can I buy Silicon Power 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005 for the cheapest price?
The cheapest price for the Silicon Power 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005 is $176.99 at Newegg, which works out to $0.3540/GB.