The KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... costs $0.1074/GB while the fanxiang S500 Pro 256GB NVMe SSD M.2 PCIe 3.0, Gen 3x4 2280 Internal Solid State Drive, SLC Cache 3D NAND TLC, Up to 3000MB/s, Compatible with Laptop and PC Desktops(Black) costs $0.2226/GB. KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... offers 52% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... vs fanxiang S500 Pro 256GB NVMe SSD M.2 PCIe 3.0, Gen 3x4 2280 Internal Solid State Drive, SLC Cache 3D NAND TLC, Up to 3000MB/s, Compatible with Laptop and PC Desktops(Black) — Which Is Better Value?
Specification Comparison
| Spec | KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... | fanxiang S500 Pro 256GB NVMe SSD M.2 PCIe 3.0, Gen 3x4 2280 Internal Solid State Drive, SLC Cache 3D NAND TLC, Up to 3000MB/s, Compatible with Laptop and PC Desktops(Black) |
|---|---|---|
| Brand | KingSpec | fanxiang |
| Capacity | 512GB | 256 GB |
| $/GB | $0.1074 | $0.2226 |
| Price | $54.99 | $56.99 |
| Retailer | Newegg | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | nvme |
Price Across Retailers
KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data...
fanxiang S500 Pro 256GB NVMe SSD M.2 PCIe 3.0, Gen 3x4 2280 Internal Solid State Drive, SLC Cache 3D NAND TLC, Up to 3000MB/s, Compatible with Laptop and PC Desktops(Black)
Which Should You Buy?
Based on current pricing data, the KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... offers better value at $0.1074//GB compared to the fanxiang S500 Pro 256GB NVMe SSD M.2 PCIe 3.0, Gen 3x4 2280 Internal Solid State Drive, SLC Cache 3D NAND TLC, Up to 3000MB/s, Compatible with Laptop and PC Desktops(Black) at $0.2226//GB — that's roughly 52% less per gigabyte.
The best deal for the KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... is $54.99 at Newegg, while the fanxiang S500 Pro 256GB NVMe SSD M.2 PCIe 3.0, Gen 3x4 2280 Internal Solid State Drive, SLC Cache 3D NAND TLC, Up to 3000MB/s, Compatible with Laptop and PC Desktops(Black) starts at $56.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... and fanxiang S500 Pro 256GB NVMe SSD M.2 PCIe 3.0, Gen 3x4 2280 Internal Solid State Drive, SLC Cache 3D NAND TLC, Up to 3000MB/s, Compatible with Laptop and PC Desktops(Black) product page for detailed specifications and price history.
Frequently Asked Questions
Is KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... or fanxiang S500 Pro 256GB NVMe SSD M.2 PCIe 3.0, Gen 3x4 2280 Internal Solid State Drive, SLC Cache 3D NAND TLC, Up to 3000MB/s, Compatible with Laptop and PC Desktops(Black) a better deal?
As of June 2026, KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... offers better value at $0.1074//GB compared to fanxiang S500 Pro 256GB NVMe SSD M.2 PCIe 3.0, Gen 3x4 2280 Internal Solid State Drive, SLC Cache 3D NAND TLC, Up to 3000MB/s, Compatible with Laptop and PC Desktops(Black) at $0.2226//GB. That is approximately 52% better value per gigabyte.
What is the price per GB of KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data...?
The KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... is currently priced at $0.1074/GB ($54.99 for 512GB) at Newegg.
Where can I buy fanxiang S500 Pro 256GB NVMe SSD M.2 PCIe 3.0, Gen 3x4 2280 Internal Solid State Drive, SLC Cache 3D NAND TLC, Up to 3000MB/s, Compatible with Laptop and PC Desktops(Black) for the cheapest price?
The cheapest price for the fanxiang S500 Pro 256GB NVMe SSD M.2 PCIe 3.0, Gen 3x4 2280 Internal Solid State Drive, SLC Cache 3D NAND TLC, Up to 3000MB/s, Compatible with Laptop and PC Desktops(Black) is $56.99 at Amazon, which works out to $0.2226/GB.