The SanDisk Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0 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 Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0 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 Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0 | 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 | 500GB | 512GB |
| $/GB | $0.2400 | $0.1074 |
| Price | $119.99 | $54.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
SanDisk Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0
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 Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0 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 Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0 starts at $119.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SanDisk Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0 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 Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0 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 Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0 at $0.2400//GB. That is approximately 55% better value per gigabyte.
What is the price per GB of SanDisk Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0?
The SanDisk Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0 is currently priced at $0.2400/GB ($119.99 for 500GB) at Newegg.
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.