The SANDISK 500GB Optimus GX 7100 NVMe SSD - PCIe Gen 4, M.2 2280, Up to 7,250 MB/s Read Speed - SDSP71500GAN costs $0.2400/GB while 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. 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 55% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SANDISK 500GB Optimus GX 7100 NVMe SSD - PCIe Gen 4, M.2 2280, Up to 7,250 MB/s Read Speed - SDSP71500GAN vs 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... — Which Is Better Value?
Specification Comparison
| Spec | SANDISK 500GB Optimus GX 7100 NVMe SSD - PCIe Gen 4, M.2 2280, Up to 7,250 MB/s Read Speed - SDSP71500GAN | 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... |
|---|---|---|
| Brand | SanDisk | KingSpec |
| Capacity | 500 GB | 512GB |
| $/GB | $0.2400 | $0.1074 |
| Price | $119.99 | $54.99 |
| Retailer | Amazon | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
SANDISK 500GB Optimus GX 7100 NVMe SSD - PCIe Gen 4, M.2 2280, Up to 7,250 MB/s Read Speed - SDSP71500GAN
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...
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 SANDISK 500GB Optimus GX 7100 NVMe SSD - PCIe Gen 4, M.2 2280, Up to 7,250 MB/s Read Speed - SDSP71500GAN at $0.2400//GB — that's roughly 55% 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 SANDISK 500GB Optimus GX 7100 NVMe SSD - PCIe Gen 4, M.2 2280, Up to 7,250 MB/s Read Speed - SDSP71500GAN starts at $119.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SANDISK 500GB Optimus GX 7100 NVMe SSD - PCIe Gen 4, M.2 2280, Up to 7,250 MB/s Read Speed - SDSP71500GAN and 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... product page for detailed specifications and price history.
Frequently Asked Questions
Is SANDISK 500GB Optimus GX 7100 NVMe SSD - PCIe Gen 4, M.2 2280, Up to 7,250 MB/s Read Speed - SDSP71500GAN or 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... 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 SANDISK 500GB Optimus GX 7100 NVMe SSD - PCIe Gen 4, M.2 2280, Up to 7,250 MB/s Read Speed - SDSP71500GAN at $0.2400//GB. That is approximately 55% better value per gigabyte.
What is the price per GB of SANDISK 500GB Optimus GX 7100 NVMe SSD - PCIe Gen 4, M.2 2280, Up to 7,250 MB/s Read Speed - SDSP71500GAN?
The SANDISK 500GB Optimus GX 7100 NVMe SSD - PCIe Gen 4, M.2 2280, Up to 7,250 MB/s Read Speed - SDSP71500GAN is currently priced at $0.2400/GB ($119.99 for 500 GB) at Amazon.
Where can I buy 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... for the cheapest price?
The cheapest price 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, which works out to $0.1074/GB.