For users running legacy systems (AMD FX-series, early Intel Core i-series, or older server boards), this driver is often the difference between a frustrating, crashing storage subsystem and a stable daily driver.
| Metric | Microsoft AHCI (inbox) | Marvel SP v4.0 | | :--- | :--- | :--- | | Sequential Read (QD32) | 412 MB/s | 439 MB/s | | 4K Random Read (QD1) | 21 MB/s | 28 MB/s | | Boot Time (POST to OS) | 31 sec | 29 sec | | Hot-plug detection | Unstable | Stable | | TRIM verification | Manual only | Automatic | marvel sp driver v4.0