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 while the Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' Internal Solid State Drive SU256GBSS3A55S25AH costs $0.1867/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 38% better value per gigabyte as of September 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 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' Internal Solid State Drive SU256GBSS3A55S25AH — 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 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' Internal Solid State Drive SU256GBSS3A55S25AH |
|---|---|---|
| Brand | KingSpec | Silicon Power |
| Capacity | 1TB | 256GB |
| $/GB | $0.1150 | $0.1867 |
| Price | $114.99 | $47.79 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
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 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' Internal Solid State Drive SU256GBSS3A55S25AH
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 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' Internal Solid State Drive SU256GBSS3A55S25AH at $0.1867//GB — that's roughly 38% 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 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' Internal Solid State Drive SU256GBSS3A55S25AH starts at $47.79 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 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' Internal Solid State Drive SU256GBSS3A55S25AH 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 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' Internal Solid State Drive SU256GBSS3A55S25AH 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 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' Internal Solid State Drive SU256GBSS3A55S25AH at $0.1867//GB. That is approximately 38% 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 $0.1150/GB ($114.99 for 1TB) at Newegg.
Where can I buy Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' Internal Solid State Drive SU256GBSS3A55S25AH for the cheapest price?
The cheapest price for the Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' Internal Solid State Drive SU256GBSS3A55S25AH is $47.79 at Newegg, which works out to $0.1867/GB.