The Seagate BarraCuda 510 M.2 2280 500GB PCIe G3 x4, NVMe 1.3 3D TLC Internal Solid State Drive (SSD) ZP500CM3A001 costs $0.3180/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 $0.1160/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 64% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate BarraCuda 510 M.2 2280 500GB PCIe G3 x4, NVMe 1.3 3D TLC Internal Solid State Drive (SSD) ZP500CM3A001 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 | Seagate BarraCuda 510 M.2 2280 500GB PCIe G3 x4, NVMe 1.3 3D TLC Internal Solid State Drive (SSD) ZP500CM3A001 | 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 | Seagate | KingSpec |
| Capacity | 500GB | 1TB |
| $/GB | $0.3180 | $0.1160 |
| Price | $159.00 | $115.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
Seagate BarraCuda 510 M.2 2280 500GB PCIe G3 x4, NVMe 1.3 3D TLC Internal Solid State Drive (SSD) ZP500CM3A001
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 $0.1160//GB compared to the Seagate BarraCuda 510 M.2 2280 500GB PCIe G3 x4, NVMe 1.3 3D TLC Internal Solid State Drive (SSD) ZP500CM3A001 at $0.3180//GB — that's roughly 64% 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 Seagate BarraCuda 510 M.2 2280 500GB PCIe G3 x4, NVMe 1.3 3D TLC Internal Solid State Drive (SSD) ZP500CM3A001 starts at $159.00 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate BarraCuda 510 M.2 2280 500GB PCIe G3 x4, NVMe 1.3 3D TLC Internal Solid State Drive (SSD) ZP500CM3A001 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 Seagate BarraCuda 510 M.2 2280 500GB PCIe G3 x4, NVMe 1.3 3D TLC Internal Solid State Drive (SSD) ZP500CM3A001 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 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 Seagate BarraCuda 510 M.2 2280 500GB PCIe G3 x4, NVMe 1.3 3D TLC Internal Solid State Drive (SSD) ZP500CM3A001 at $0.3180//GB. That is approximately 64% better value per gigabyte.
What is the price per GB of Seagate BarraCuda 510 M.2 2280 500GB PCIe G3 x4, NVMe 1.3 3D TLC Internal Solid State Drive (SSD) ZP500CM3A001?
The Seagate BarraCuda 510 M.2 2280 500GB PCIe G3 x4, NVMe 1.3 3D TLC Internal Solid State Drive (SSD) ZP500CM3A001 is currently priced at $0.3180/GB ($159.00 for 500GB) 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 $115.99 at Newegg, which works out to $0.1160/GB.