
Crucial MX500 500GB
Score: 79/100
Seagate Storage Expansion Card 1TB
Score: 69/100Rankings

The Crucial MX500 500 GB is a 2.5-inch SATA SSD that delivers near-maximum SATA-III speeds, includes a 256 MB DRAM cache and AES-256 hardware encryption, and offers 180 TBW endurance with a 5-year warranty. Its drawbacks are the inherent speed ceiling of SATA and occasional write-performance throttling under heavy mixed loads. It is best suited for budget-conscious desktop or notebook upgrades seeking reliable, secure 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 | ![]() | ![]() |
|---|---|---|
500 GB | 1,024 GBbest | |
560 MB/s | 820 MB/sbest | |
510 MB/s | 664 MB/sbest | |
95,000 IOPSbest | 30,219 IOPS | |
90,000 IOPSbest | 684 IOPS | |
180 TBbest | — | |
1,800,000 hoursbest | — | |
256 MBbest | 128 MB |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Connectivity(1) | ||
Interface | SATA III | PCIe Gen4 x4 NVMe |
Performance(5) | ||
Sequential Read Speed (MB/s) | 560 MB/s | 820 MB/s |
Sequential Write Speed (MB/s) | 510 MB/s | 664 MB/s |
Random Read IOPS (4K) (IOPS) | 95000 IOPS | 30219 IOPS |
Random Write IOPS (4K) (IOPS) | 90000 IOPS | 684 IOPS |
DRAM Cache (MB) | 256 MB | 128 MB |
Storage(1) | ||
Storage Capacity (GB) | 500 GB | 1024 GB |
General(1) | ||
Warranty (years) | 5 years | 3 years |
Design & Build(3) | ||
Form Factor | 2.5-inch | Proprietary Card |
Weight (g) | 39 g | 30 g |
Dimensions (L×W×H) (mm) | 70×7.1×103 mm mm | 80x23.4x8.9 mm |

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

Professional reviewers consider the MX500 an ideal HDD replacement, praising its efficient SM2258 controller, strong sequential and random performance, and robust security features. However, they note that its mixed-workload write speeds and 4K random read numbers fall short of some competitors, and the SATA interface limits its appeal for high-performance scenarios.
Everyday users overwhelmingly praise the MX500 for its noticeable boost in boot speed, system responsiveness, and ease of installation, especially valuing the included cloning software.

“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.