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 Western Digital 250GB WD Green SN350 NVMe Internal SSD Solid State Drive - Gen3 PCIe, M.2 2280, Up to 2,400 MB/s - WDS250G2G0C costs $0.2960/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 64% better value per gigabyte as of July 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 Western Digital 250GB WD Green SN350 NVMe Internal SSD Solid State Drive - Gen3 PCIe, M.2 2280, Up to 2,400 MB/s - WDS250G2G0C — 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... | Western Digital 250GB WD Green SN350 NVMe Internal SSD Solid State Drive - Gen3 PCIe, M.2 2280, Up to 2,400 MB/s - WDS250G2G0C |
|---|---|---|
| Brand | KingSpec | Western Digital |
| Capacity | 512GB | 250 GB |
| $/GB | $0.1074 | $0.2960 |
| Price | $54.99 | $73.99 |
| 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...
Western Digital 250GB WD Green SN350 NVMe Internal SSD Solid State Drive - Gen3 PCIe, M.2 2280, Up to 2,400 MB/s - WDS250G2G0C
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 Western Digital 250GB WD Green SN350 NVMe Internal SSD Solid State Drive - Gen3 PCIe, M.2 2280, Up to 2,400 MB/s - WDS250G2G0C at $0.2960//GB — that's roughly 64% 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 Western Digital 250GB WD Green SN350 NVMe Internal SSD Solid State Drive - Gen3 PCIe, M.2 2280, Up to 2,400 MB/s - WDS250G2G0C starts at $73.99 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 Western Digital 250GB WD Green SN350 NVMe Internal SSD Solid State Drive - Gen3 PCIe, M.2 2280, Up to 2,400 MB/s - WDS250G2G0C 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 Western Digital 250GB WD Green SN350 NVMe Internal SSD Solid State Drive - Gen3 PCIe, M.2 2280, Up to 2,400 MB/s - WDS250G2G0C a better deal?
As of July 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 Western Digital 250GB WD Green SN350 NVMe Internal SSD Solid State Drive - Gen3 PCIe, M.2 2280, Up to 2,400 MB/s - WDS250G2G0C at $0.2960//GB. That is approximately 64% 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 Western Digital 250GB WD Green SN350 NVMe Internal SSD Solid State Drive - Gen3 PCIe, M.2 2280, Up to 2,400 MB/s - WDS250G2G0C for the cheapest price?
The cheapest price for the Western Digital 250GB WD Green SN350 NVMe Internal SSD Solid State Drive - Gen3 PCIe, M.2 2280, Up to 2,400 MB/s - WDS250G2G0C is $73.99 at Amazon, which works out to $0.2960/GB.