Crucial X9 Pro 4TB
Score: 94/100
OWC OWCENVPK04
Score: 88/100Rankings
The Crucial X9 Pro 4TB delivers fast, secure, and rugged portable storage in a tiny package, though users note the short cable and lack of a USB-A adapter.
The OWC Envoy Pro Elektron 4 TB delivers near-internal SSD speeds in a rugged, IP67-rated aluminum enclosure while remaining lightweight and bus-powered. It's bootable and cross-platform but lacks a protective case and hardware encryption.
| Attribute | | |
|---|---|---|
4,000 GBbest | 4,000 GBbest | |
1,050 MB/sbest | 1,011 MB/s | |
1,050 MB/sbest | 1,011 MB/s | |
5 yearsbest | 3 years | |
| ↓ lower better | 38 gbest | 85 g |
| ↓ lower better | 10 mmbest | 12 mm |
| ↓ lower better | 65 mmbest | 76 mm |
| ↓ lower better | 50 mmbest | 52 mm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(2) | ||
Sequential Read Speed (MB/s) | 1050 MB/s | 1011 MB/s |
Sequential Write Speed (MB/s) | 1050 MB/s | 1011 MB/s |
Warranty & Support(1) | ||
Warranty Period (years) | 5 years | 3 years |
Security(1) | ||
Hardware Encryption | true | false |
Compatibility(1) | ||
Supported Operating Systems | Windows, macOS, Linux, Android, iPadOS, Xbox, PlayStation | macOS 10.12–14.x, Windows 10/11, Linux, Chrome OS, iPadOS 13+, Android 13+ |
Power(1) | ||
Power Source | Bus-powered | bus-powered |
Build & Design(5) | ||
Weight (g) | 38 g | 85 g |
Thickness (mm) | 10 mm | 12 mm |
Length (mm) | 65 mm | 76 mm |
Width (mm) | 50 mm | 52 mm |
IP Rating | IP55 | IP67 |
Products in the top-left offer the best value (high score, low price).
Professional reviewers rate the X9 Pro highly, calling it a tiny, near-perfect external SSD with sturdy frame and hardware encryption, while noting it falls short of the X10 Pro's top-tier speeds.
Everyday users appreciate its pocket-sized form factor, fast transfers, and rugged build, but complain about missing accessories and occasional speed gaps.
Professional reviewers praise its high speed, robust aluminum construction and IP67 rating, noting it as a top choice for 4K video work despite a higher price and missing hardware encryption.
Everyday users love the speed and durability, especially in field conditions, but complain about the missing protective pouch and the always-on LED brightness.
“perfect for travel”
“easy to carry on a keychain”
“lack of a USB-A adapter is a frequent frustration”
