The OWC 500GB Aura Pro X2 Gen4 NVMe SSD Upgrade for 27' and 21.5' iMac Models (Late 2013-2019),High Performance NVMe Flash Solution, Tools, Display... costs $0.4300/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 80% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
OWC 500GB Aura Pro X2 Gen4 NVMe SSD Upgrade for 27' and 21.5' iMac Models (Late 2013-2019),High Performance NVMe Flash Solution, Tools, Display... 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 | OWC 500GB Aura Pro X2 Gen4 NVMe SSD Upgrade for 27' and 21.5' iMac Models (Late 2013-2019),High Performance NVMe Flash Solution, Tools, Display... | 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 | OWC | KingSpec |
| Capacity | 500GB | 512GB |
| $/GB | $0.4300 | $0.0840 |
| Price | $214.99 | $42.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
OWC 500GB Aura Pro X2 Gen4 NVMe SSD Upgrade for 27' and 21.5' iMac Models (Late 2013-2019),High Performance NVMe Flash Solution, Tools, Display...
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 OWC 500GB Aura Pro X2 Gen4 NVMe SSD Upgrade for 27' and 21.5' iMac Models (Late 2013-2019),High Performance NVMe Flash Solution, Tools, Display... at $0.4300//GB — that's roughly 80% 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 OWC 500GB Aura Pro X2 Gen4 NVMe SSD Upgrade for 27' and 21.5' iMac Models (Late 2013-2019),High Performance NVMe Flash Solution, Tools, Display... starts at $214.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each OWC 500GB Aura Pro X2 Gen4 NVMe SSD Upgrade for 27' and 21.5' iMac Models (Late 2013-2019),High Performance NVMe Flash Solution, Tools, Display... 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 OWC 500GB Aura Pro X2 Gen4 NVMe SSD Upgrade for 27' and 21.5' iMac Models (Late 2013-2019),High Performance NVMe Flash Solution, Tools, Display... 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 OWC 500GB Aura Pro X2 Gen4 NVMe SSD Upgrade for 27' and 21.5' iMac Models (Late 2013-2019),High Performance NVMe Flash Solution, Tools, Display... at $0.4300//GB. That is approximately 80% better value per gigabyte.
What is the price per GB of OWC 500GB Aura Pro X2 Gen4 NVMe SSD Upgrade for 27' and 21.5' iMac Models (Late 2013-2019),High Performance NVMe Flash Solution, Tools, Display...?
The OWC 500GB Aura Pro X2 Gen4 NVMe SSD Upgrade for 27' and 21.5' iMac Models (Late 2013-2019),High Performance NVMe Flash Solution, Tools, Display... is currently priced at $0.4300/GB ($214.99 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.