The Western Digital WD BLACK P40 500GB USB 3.2 Gen 2x2, Type-C Game Drive SSD costs $0.3610/GB while the KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... costs $0.0840/GB. KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... offers 77% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Western Digital WD BLACK P40 500GB USB 3.2 Gen 2x2, Type-C Game Drive SSD vs KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... — Which Is Better Value?
Western Digital WD BLACK P40 500GB USB 3.2 Gen 2x2, Type-C Game Drive SSD
Specification Comparison
| Spec | Western Digital WD BLACK P40 500GB USB 3.2 Gen 2x2, Type-C Game Drive SSD | KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... |
|---|---|---|
| Brand | Western Digital | KingSpec |
| Capacity | 500GB | 512GB |
| $/GB | $0.3610 | $0.0840 |
| Price | $180.50 | $42.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... offers better value at $0.0840//GB compared to the Western Digital WD BLACK P40 500GB USB 3.2 Gen 2x2, Type-C Game Drive SSD at $0.3610//GB — that's roughly 77% less per gigabyte.
The best deal for the KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... is $42.99 at Newegg, while the Western Digital WD BLACK P40 500GB USB 3.2 Gen 2x2, Type-C Game Drive SSD starts at $180.50 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Western Digital WD BLACK P40 500GB USB 3.2 Gen 2x2, Type-C Game Drive SSD and KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... product page for detailed specifications and price history.
Frequently Asked Questions
Is Western Digital WD BLACK P40 500GB USB 3.2 Gen 2x2, Type-C Game Drive SSD or KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... a better deal?
As of June 2026, KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... offers better value at $0.0840//GB compared to Western Digital WD BLACK P40 500GB USB 3.2 Gen 2x2, Type-C Game Drive SSD at $0.3610//GB. That is approximately 77% better value per gigabyte.
What is the price per GB of Western Digital WD BLACK P40 500GB USB 3.2 Gen 2x2, Type-C Game Drive SSD?
The Western Digital WD BLACK P40 500GB USB 3.2 Gen 2x2, Type-C Game Drive SSD is currently priced at $0.3610/GB ($180.50 for 500GB) at Newegg.
Where can I buy KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... for the cheapest price?
The cheapest price for the KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... is $42.99 at Newegg, which works out to $0.0840/GB.