Crucial X10 Pro 4TB
Score: 95/100
Kingston SPSD
Score: 91/100Rankings
The Crucial X10 Pro 4TB Portable SSD delivers up to 2100/2000 MB/s via USB-C 20 Gbps, IP55 ruggedness and 256-bit AES encryption, but its performance is limited by the need for a Gen 2x2 port and some users report early failures.
The Kingston Dual USB-A/C 1TB SSD offers a unique cable-free, thumb-drive-sized design with dual connectors and near-spec USB 3.2 Gen 2 speeds, delivering ultra-portable high-performance storage, though it suffers from port blocking, thermal throttling and lacks rugged protection.
| Attribute | | |
|---|---|---|
4,000 GBbest | 1,000 GB | |
2,100 MB/sbest | 1,050 MB/s | |
2,000 MB/sbest | 950 MB/s | |
5 yearsbest | 5 yearsbest | |
| ↓ lower better | 42 g | 13 gbest |
| ↓ lower better | — | 8.6 mmbest |
| ↓ lower better | 65 mmbest | 71.85 mm |
| ↓ lower better | 50 mm | 21.1 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(3) | ||
Interface | USB 3.2 Gen 2x2 (USB-C) | USB 3.2 Gen 2 dual |
Sequential Read Speed (MB/s) | 2100 MB/s | 1050 MB/s |
Sequential Write Speed (MB/s) | 2000 MB/s | 950 MB/s |
Security(1) | ||
Hardware Encryption | true | false |
Compatibility(1) | ||
Supported Operating Systems | Windows, Mac, Linux, Android, iPadOS, Xbox, PlayStation, ChromeOS | Windows 11, macOS 13.7.6+, Linux, Chrome OS, Android, iOS/iPadOS |
Storage(2) | ||
Storage Capacity (GB) | 4000 GB | 1000 GB |
NAND Type | 3D TLC | QLC |
Power(1) | ||
Power Source | Bus-powered | USB |
Build & Design(3) | ||
Weight (g) | 42 g | 13 g |
Length (mm) | 65 mm | 71.85 mm |
Width (mm) | 50 mm | 21.1 mm |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the X10 Pro for its blistering sequential speeds, pocket-size form factor and rugged IP55 construction, but caution that the USB 3.2 Gen 2x2 interface is increasingly obsolete and note reliability concerns.
Everyday users are split: many love the drive's speed, tiny size and encryption, while a sizable minority report early failures and frustration with limited speeds on Apple devices.
Professional reviewers commend the Kingston Dual Portable SSD for its clever dual-connector design, near-spec USB 3.2 Gen 2 speeds, and solid metal construction, calling it a convenient, high-performance alternative to traditional flash drives. However, they note practical drawbacks such as port blocking, fragile caps, lack of environmental sealing, and thermal throttling under sustained load.
Everyday users appreciate the drive's universal compatibility, lightning-fast transfers, and pocket-friendly size, often highlighting how it eliminates the need for cables. Common complaints revolve around the device's tendency to block neighboring ports, the easy loss of protective caps, heat buildup with speed throttling, and the absence of a tether or keychain loop.
“Incredibly fast and small - perfect for travel.”
“No issues with editing 4K video directly from the drive.”
“Multiple users report drive failures within a year.”
