SanDisk Extreme
Score: 87/100
Seagate Storage Expansion Card 1TB
Score: 69/100Rankings
The SanDisk Extreme Portable SSD 1TB delivers high-performance NVMe speeds of up to 1,050 MB/s read and 1,000 MB/s write while offering IP65 water and dust resistance in a lightweight 52 g package. Its capacity is limited to 1 TB and it lacks the ultra-fast 2,000 MB/s class of newer models. Ideal for creators and mobile professionals needing fast, rugged portable storage.
The Seagate Storage Expansion Card for Xbox Series X|S adds up to 4 TB of native-speed storage via a PCIe Gen4 x4 NVMe interface. Its performance is slightly lower than the theoretical maximum and it works only with the Xbox Series X|S ecosystem. Best for gamers who need seamless expansion without cables.
| Attribute | | |
|---|---|---|
1,000 GB | 1,024 GBbest | |
1,050 MB/sbest | 820 MB/s | |
1,000 MB/sbest | 664 MB/s | |
— | 30,219 IOPSbest | |
— | 684 IOPSbest | |
— | 128 MBbest | |
5 yearsbest | 3 years | |
| ↓ lower better | 52 g | 30 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Connectivity(1) | ||
Interface | USB 3.2 Gen 2 | PCIe Gen4 x4 NVMe |
Performance(2) | ||
Sequential Read Speed (MB/s) | 1050 MB/s | 820 MB/s |
Sequential Write Speed (MB/s) | 1000 MB/s | 664 MB/s |
Storage(1) | ||
Storage Capacity (GB) | 1000 GB | 1024 GB |
General(1) | ||
Warranty (years) | 5 years | 3 years |
Design & Build(3) | ||
Form Factor | Portable | Proprietary Card |
Weight (g) | 52 g | 30 g |
Dimensions (L×W×H) (mm) | 101x52x10 mm | 80x23.4x8.9 mm |
Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the Extreme Portable SSD 1TB for its high sequential read speed, noting it delivers smoother playback when editing video files. They also appreciate its lightweight, bus-powered design and the inclusion of both USB-C and USB-A adapters, which together make it a solid choice for creators on the move.
Everyday users have limited publicly documented feedback, but the available comments emphasize appreciation for the drive's speed, portability, and cross-platform compatibility.
“the speed of this SSD mainly when reading files will provide smoother playback”
“Matches internal SSD speeds for optimized games, Quick Resume, and load times, delivering near-native performance.”
“Benchmark read speeds (~738 MB/s) are lower than the theoretical maximum of PCIe Gen4, potentially limiting peak performance.”
Professional reviewers praise the Seagate Expansion Card as the only true plug-and-play solution that delivers PCIe Gen4 performance and full Xbox Velocity Architecture integration, matching the console's internal SSD for optimized games. They commend its seamless installation, high capacities, and ability to run next-gen titles without transfers, while noting that real-world speeds fall short of the PCIe Gen4 ceiling and that the product's exclusivity and premium price limit its broader appeal.
Everyday users consistently highlight the card's ease of installation and the immediate boost in available storage, especially for large open-world games. Quick Resume reliability and the compact, cable-free form factor receive strong praise. Recurring concerns revolve around limited capacity on lower-tier models, the inability to use the card on other platforms, and occasional heat during prolonged sessions.
