The Western Digital WD_BLACK SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS500G3X0E costs $0.3093/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 73% 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 SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS500G3X0E 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?
Specification Comparison
| Spec | Western Digital WD_BLACK SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS500G3X0E | 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 | $0.3093 | $0.0840 |
| Price | $154.64 | $42.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
Western Digital WD_BLACK SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS500G3X0E
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 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 SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS500G3X0E at $0.3093//GB — that's roughly 73% 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 SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS500G3X0E starts at $154.64 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 SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS500G3X0E 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 SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS500G3X0E 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 SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS500G3X0E at $0.3093//GB. That is approximately 73% better value per gigabyte.
What is the price per GB of Western Digital WD_BLACK SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS500G3X0E?
The Western Digital WD_BLACK SN770 M.2 2280 500GB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS500G3X0E is currently priced at $0.3093/GB ($154.64 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.