Lexar SL500 1TB
Score: 74/100
Corsair EX400U 2TB
Score: 74/100Rankings
The Lexar SL500 Portable SSD delivers a sleek, credit-card-sized form factor with impressive advertised speeds and solid durability (IP54, 2 m drop). It's ideal for creators needing a lightweight, encrypted drive, though actual transfer rates may fall short of the 2000 MB/s claim without a compatible host.
The Corsair EX400U is an ultra-compact USB4 SSD delivering some of the fastest portable read speeds on the market and a unique MagSafe feature for iPhone creators, though it lacks ruggedness and full write-speed potential.
| Attribute | | |
|---|---|---|
1,000 GB | 2,048 GBbest | |
2,000 MB/s | 4,000 MB/sbest | |
1,800 MB/s | 3,600 MB/sbest | |
5 yearsbest | 3 years | |
| ↓ lower better | 43 gbest | 92 g |
| ↓ lower better | 4.8 mmbest | 11.9 mm |
| ↓ lower better | 83.8 mm | 64.3 mmbest |
| ↓ lower better | 53.3 mmbest | 64 mm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(3) | ||
Interface | USB 3.2 Gen 2×2 | USB4 |
Sequential Read Speed (MB/s) | 2000 MB/s | 4000 MB/s |
Sequential Write Speed (MB/s) | 1800 MB/s | 3600 MB/s |
Warranty & Support(1) | ||
Warranty Period (years) | 5 years | 3 years |
Compatibility(1) | ||
Supported Operating Systems | Windows, macOS, Android, Harmony OS | Windows, macOS, iOS |
Storage(2) | ||
Storage Capacity (GB) | 1000 GB | 2048 GB |
NAND Type | 3D TLC | TLC |
Power(1) | ||
Power Source | Bus-powered | USB-C PD |
Build & Design(4) | ||
Weight (g) | 43 g | 92 g |
Thickness (mm) | 4.8 mm | 11.9 mm |
Length (mm) | 83.8 mm | 64.3 mm |
Width (mm) | 53.3 mm | 64 mm |
Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the SL500 for its premium, compact design, solid durability, and competitive pricing, noting that it delivers very fast transfers when paired with a suitable Gen 2×2 or USB 4.0 host. They point out that real-world performance often lags behind the 2000 MB/s claim and that users without the appropriate port will not experience the drive's full speed potential.
Everyday users appreciate the drive's pocket-sized form factor, reliable build, and sufficient speed for on-the-go 4K editing, as well as the added security of encryption. Common complaints revolve around the gap between advertised and actual speeds, the absence of a USB-A adapter, and the lack of MagSafe support.
Professional reviewers praise the EX400U's groundbreaking speed, tiny form factor, and MagSafe integration, while noting the write-speed shortfall, modest endurance, and absence of encryption or rugged features.
Users love the lightning-fast transfers and iPhone attachment, but express concerns about write-speed limits, durability, and lack of encryption.
“Fits in my pocket like a credit card”
“Fast enough for 4K video editing on the go”
“Secure with encryption and durable build”
