The Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005 costs $0.4535/GB while 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 $0.1150/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 75% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005 vs 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 — Which Is Better Value?
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Specification Comparison
| Spec | Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005 | 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 |
|---|---|---|
| Brand | Silicon Power | KingSpec |
| Capacity | 250GB | 1TB |
| $/GB | $0.4535 | $0.1150 |
| Price | $113.38 | $114.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005
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
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 $0.1150//GB compared to the Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005 at $0.4535//GB — that's roughly 75% 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 $114.99 at Newegg, while the Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005 starts at $113.38 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005 and 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 product page for detailed specifications and price history.
Frequently Asked Questions
Is Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005 or 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 a better deal?
As of September 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 $0.1150//GB compared to Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005 at $0.4535//GB. That is approximately 75% better value per gigabyte.
What is the price per GB of Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005?
The Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005 is currently priced at $0.4535/GB ($113.38 for 250GB) at Newegg.
Where can I buy 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 for the cheapest price?
The cheapest price 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 $114.99 at Newegg, which works out to $0.1150/GB.