The SanDisk Z400s 2.5' 128GB SATA III Internal Solid State Drive (SSD) SD8SBAT-128G-1122 costs $0.8516/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 90% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk Z400s 2.5' 128GB SATA III Internal Solid State Drive (SSD) SD8SBAT-128G-1122 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 | SanDisk Z400s 2.5' 128GB SATA III Internal Solid State Drive (SSD) SD8SBAT-128G-1122 | 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 | SanDisk | KingSpec |
| Capacity | 128GB | 512GB |
| $/GB | $0.8516 | $0.0840 |
| Price | $109.00 | $42.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
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 SanDisk Z400s 2.5' 128GB SATA III Internal Solid State Drive (SSD) SD8SBAT-128G-1122 at $0.8516//GB — that's roughly 90% 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 SanDisk Z400s 2.5' 128GB SATA III Internal Solid State Drive (SSD) SD8SBAT-128G-1122 starts at $109.00 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 Z400s 2.5' 128GB SATA III Internal Solid State Drive (SSD) SD8SBAT-128G-1122 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 SanDisk Z400s 2.5' 128GB SATA III Internal Solid State Drive (SSD) SD8SBAT-128G-1122 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 SanDisk Z400s 2.5' 128GB SATA III Internal Solid State Drive (SSD) SD8SBAT-128G-1122 at $0.8516//GB. That is approximately 90% better value per gigabyte.
What is the price per GB of SanDisk Z400s 2.5' 128GB SATA III Internal Solid State Drive (SSD) SD8SBAT-128G-1122?
The SanDisk Z400s 2.5' 128GB SATA III Internal Solid State Drive (SSD) SD8SBAT-128G-1122 is currently priced at $0.8516/GB ($109.00 for 128GB) 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.