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 MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow costs $0.0996/GB. MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow offers 77% 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 MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow — 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... | MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow |
|---|---|---|
| Brand | OWC | MemoStone |
| Capacity | 500GB | 512GB |
| $/GB | $0.4300 | $0.0996 |
| Price | $214.99 | $50.99 |
| 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...
MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow
Which Should You Buy?
Based on current pricing data, the MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow offers better value at $0.0996//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 77% less per gigabyte.
The best deal for the MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow is $50.99 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 MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow 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 MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow a better deal?
As of June 2026, MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow offers better value at $0.0996//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 77% 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 MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow for the cheapest price?
The cheapest price for the MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow is $50.99 at Newegg, which works out to $0.0996/GB.