
Netac ZX20 512GB
Score: 69/100
Amazon Basics LSPSSD1TB 1TB
Score: 74/100Rankings

Amazon Basics' 1 TB portable SSD promises flagship-class speeds and an IP65 rating at a budget price. While the specs are impressive, actual performance depends on having a USB 3.2 Gen 2x2 host, and some users question long-term durability.

The Netac ZX20 512 GB Extreme Portable SSD delivers flagship-class NVMe speeds in a lightweight, aluminum-cased package, making it ideal for professionals needing rapid data transfers. Its lack of encryption, possible thermal throttling, and heavier weight compared to some rivals are trade-offs to consider.
| Attribute | ![]() | ![]() |
|---|---|---|
512 GB | 1,000 GBbest | |
2,000 MB/sbest | 2,000 MB/sbest | |
1,700 MB/s | 2,000 MB/sbest | |
3 yearsbest | — | |
| ↓ lower better | 82 g | 52 gbest |
| ↓ lower better | 8 mmbest | 9.9 mm |
| ↓ lower better | 71.5 mm | 59.2 mmbest |
| ↓ lower better | 43.5 mmbest | 59.2 mm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(2) | ||
Interface | USB 3.2 Gen 2 | USB 3.2 Gen 2x2 |
Sequential Write Speed (MB/s) | 1700 MB/s | 2000 MB/s |
Storage(1) | ||
Storage Capacity (GB) | 512 GB | 1000 GB |
Build & Design(5) | ||
Weight (g) | 82 g | 52 g |
Thickness (mm) | 8 mm | 9.9 mm |
Length (mm) | 71.5 mm | 59.2 mm |
Width (mm) | 43.5 mm | 59.2 mm |
IP Rating | Dust resistant | IP65 |

Products in the top-left offer the best value (high score, low price).

Professional reviewers note that the ZX20's NVMe-based design and USB 3.2 Gen 2 interface place it on par with flagship portable SSDs, highlighting its impressive read/write performance and excellent price-to-performance ratio, while cautioning about potential thermal throttling and limited long-term reliability data.
Everyday users overwhelmingly praise the drive's speed, pocket-size form factor, and inclusion of both Type-C and Type-A cables, but report occasional recognition problems with older hardware, warmth during long transfers, and a perception of less premium internal build.

“blazing-fast transfer speeds”

“compact size and lightweight design are ideal for travel and fieldwork”

“drive can become warm during extended transfers”




Professional editors view it as a compelling budget alternative with near-NVMe speeds, but warn that real-world performance hinges on a compatible host and note uncertainty around internal components.
Everyday users like the speed and IP rating, yet many report that advertised 2000 MB/s is rarely achieved and express concerns about reliability and regional spec variations.