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 Western Digital WD_BLACK SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS costs $0.2449/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 53% 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 Western Digital WD_BLACK SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS — Which Is Better Value?
Prices refresh twice daily; the final price appears at the retailer's checkout. We may earn a commission from retailer links, at no cost to you; it never affects rankings.
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 | Western Digital WD_BLACK SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS |
|---|---|---|
| Brand | KingSpec | Western Digital |
| Capacity | 1TB | 500GB |
| $/GB | $0.1150 | $0.2449 |
| Price | $114.99 | $122.43 |
| 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
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 Western Digital WD_BLACK SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS at $0.2449//GB — that's roughly 53% 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 Western Digital WD_BLACK SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS starts at $122.43 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 Western Digital WD_BLACK SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS 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 Western Digital WD_BLACK SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS 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 Western Digital WD_BLACK SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS at $0.2449//GB. That is approximately 53% 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 Western Digital WD_BLACK SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS for the cheapest price?
The cheapest price for the Western Digital WD_BLACK SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS is $122.43 at Newegg, which works out to $0.2449/GB.