The SanDisk X300 2.5' 512GB SATA III Internal Solid State Drive (SSD) SD7SB7S-512G-1122 costs $0.3773/GB while the KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive costs $0.1150/GB. KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive offers 70% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk X300 2.5' 512GB SATA III Internal Solid State Drive (SSD) SD7SB7S-512G-1122 vs KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive — Which Is Better Value?
Prices refresh twice daily; the final price appears at the retailer's checkout. We may earn a commission from retailer links, at no cost to you; it never affects rankings.
Specification Comparison
| Spec | SanDisk X300 2.5' 512GB SATA III Internal Solid State Drive (SSD) SD7SB7S-512G-1122 | KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive |
|---|---|---|
| Brand | SanDisk | KingSpec |
| Capacity | 512GB | 1TB |
| $/GB | $0.3773 | $0.1150 |
| Price | $193.20 | $114.99 |
| 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 MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive offers better value at $0.1150//GB compared to the SanDisk X300 2.5' 512GB SATA III Internal Solid State Drive (SSD) SD7SB7S-512G-1122 at $0.3773//GB — that's roughly 70% less per gigabyte.
The best deal for the KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive is $114.99 at Newegg, while the SanDisk X300 2.5' 512GB SATA III Internal Solid State Drive (SSD) SD7SB7S-512G-1122 starts at $193.20 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 X300 2.5' 512GB SATA III Internal Solid State Drive (SSD) SD7SB7S-512G-1122 and KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk X300 2.5' 512GB SATA III Internal Solid State Drive (SSD) SD7SB7S-512G-1122 or KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive a better deal?
As of September 2026, KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive offers better value at $0.1150//GB compared to SanDisk X300 2.5' 512GB SATA III Internal Solid State Drive (SSD) SD7SB7S-512G-1122 at $0.3773//GB. That is approximately 70% better value per gigabyte.
What is the price per GB of SanDisk X300 2.5' 512GB SATA III Internal Solid State Drive (SSD) SD7SB7S-512G-1122?
The SanDisk X300 2.5' 512GB SATA III Internal Solid State Drive (SSD) SD7SB7S-512G-1122 is currently priced at $0.3773/GB ($193.20 for 512GB) at Newegg.
Where can I buy KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive for the cheapest price?
The cheapest price for the KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive is $114.99 at Newegg, which works out to $0.1150/GB.