The KingSpec MemoStone 512GB External SSD USB3.2 Gen2 Speed Up to 1030MB/s Portable Solid State Drive Dual Type C & Type A Interface 10Gbps For wide... costs $0.1074/GB while the Intel Optane DC P5800X Series 400GB, 2.5' x 15mm, U.2, PCIe 4.0 x4, 3D XPoint Solid State Drive (SSD) SSDPF21Q400GB01 costs $2.8434/GB. KingSpec MemoStone 512GB External SSD USB3.2 Gen2 Speed Up to 1030MB/s Portable Solid State Drive Dual Type C & Type A Interface 10Gbps For wide... offers 96% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
KingSpec MemoStone 512GB External SSD USB3.2 Gen2 Speed Up to 1030MB/s Portable Solid State Drive Dual Type C & Type A Interface 10Gbps For wide... vs Intel Optane DC P5800X Series 400GB, 2.5' x 15mm, U.2, PCIe 4.0 x4, 3D XPoint Solid State Drive (SSD) SSDPF21Q400GB01 — Which Is Better Value?
Specification Comparison
| Spec | KingSpec MemoStone 512GB External SSD USB3.2 Gen2 Speed Up to 1030MB/s Portable Solid State Drive Dual Type C & Type A Interface 10Gbps For wide... | Intel Optane DC P5800X Series 400GB, 2.5' x 15mm, U.2, PCIe 4.0 x4, 3D XPoint Solid State Drive (SSD) SSDPF21Q400GB01 |
|---|---|---|
| Brand | KingSpec | Intel |
| Capacity | 512GB | 400GB |
| $/GB | $0.1074 | $2.8434 |
| Price | $54.99 | $1137.35 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
KingSpec MemoStone 512GB External SSD USB3.2 Gen2 Speed Up to 1030MB/s Portable Solid State Drive Dual Type C & Type A Interface 10Gbps For wide...
Intel Optane DC P5800X Series 400GB, 2.5' x 15mm, U.2, PCIe 4.0 x4, 3D XPoint Solid State Drive (SSD) SSDPF21Q400GB01
Which Should You Buy?
Based on current pricing data, the KingSpec MemoStone 512GB External SSD USB3.2 Gen2 Speed Up to 1030MB/s Portable Solid State Drive Dual Type C & Type A Interface 10Gbps For wide... offers better value at $0.1074//GB compared to the Intel Optane DC P5800X Series 400GB, 2.5' x 15mm, U.2, PCIe 4.0 x4, 3D XPoint Solid State Drive (SSD) SSDPF21Q400GB01 at $2.8434//GB — that's roughly 96% less per gigabyte.
The best deal for the KingSpec MemoStone 512GB External SSD USB3.2 Gen2 Speed Up to 1030MB/s Portable Solid State Drive Dual Type C & Type A Interface 10Gbps For wide... is $54.99 at Newegg, while the Intel Optane DC P5800X Series 400GB, 2.5' x 15mm, U.2, PCIe 4.0 x4, 3D XPoint Solid State Drive (SSD) SSDPF21Q400GB01 starts at $1137.35 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 512GB External SSD USB3.2 Gen2 Speed Up to 1030MB/s Portable Solid State Drive Dual Type C & Type A Interface 10Gbps For wide... and Intel Optane DC P5800X Series 400GB, 2.5' x 15mm, U.2, PCIe 4.0 x4, 3D XPoint Solid State Drive (SSD) SSDPF21Q400GB01 product page for detailed specifications and price history.
Frequently Asked Questions
Is KingSpec MemoStone 512GB External SSD USB3.2 Gen2 Speed Up to 1030MB/s Portable Solid State Drive Dual Type C & Type A Interface 10Gbps For wide... or Intel Optane DC P5800X Series 400GB, 2.5' x 15mm, U.2, PCIe 4.0 x4, 3D XPoint Solid State Drive (SSD) SSDPF21Q400GB01 a better deal?
As of June 2026, KingSpec MemoStone 512GB External SSD USB3.2 Gen2 Speed Up to 1030MB/s Portable Solid State Drive Dual Type C & Type A Interface 10Gbps For wide... offers better value at $0.1074//GB compared to Intel Optane DC P5800X Series 400GB, 2.5' x 15mm, U.2, PCIe 4.0 x4, 3D XPoint Solid State Drive (SSD) SSDPF21Q400GB01 at $2.8434//GB. That is approximately 96% better value per gigabyte.
What is the price per GB of KingSpec MemoStone 512GB External SSD USB3.2 Gen2 Speed Up to 1030MB/s Portable Solid State Drive Dual Type C & Type A Interface 10Gbps For wide...?
The KingSpec MemoStone 512GB External SSD USB3.2 Gen2 Speed Up to 1030MB/s Portable Solid State Drive Dual Type C & Type A Interface 10Gbps For wide... is currently priced at $0.1074/GB ($54.99 for 512GB) at Newegg.
Where can I buy Intel Optane DC P5800X Series 400GB, 2.5' x 15mm, U.2, PCIe 4.0 x4, 3D XPoint Solid State Drive (SSD) SSDPF21Q400GB01 for the cheapest price?
The cheapest price for the Intel Optane DC P5800X Series 400GB, 2.5' x 15mm, U.2, PCIe 4.0 x4, 3D XPoint Solid State Drive (SSD) SSDPF21Q400GB01 is $1137.35 at Newegg, which works out to $2.8434/GB.