Crucial T500 4000GB

The Crucial T500 uses the Phison PS5025-E25 4-channel controller with Micron 232-layer 3D TLC NAND and retains onboard LPDDR4 DRAM, allowing it to saturate the PCIe Gen4 interface while generating less heat than many 8-channel competitors. The 4000GB model delivers strong burst performance but relies heavily on a large dynamic SLC cache; sustained heavy writes can see steep drops in transfer rates after the cache is exhausted. Early firmware revisions had inconsistent cache recovery, so ensure the drive is running the latest firmware for optimal mixed-workload stability. The drive is noted for thermal efficiency and suitability for thermally constrained systems.

Key Specifications

• Interface: PCIe 4.0 x4 (NVMe 2.0)
• Controller: Phison PS5025-E25 (4-Channel)
• NAND Flash: Micron 232-Layer 3D TLC
• DRAM Cache: Yes (LPDDR4/LPDDR4X)
• Sequential Read/Write: Up to 7,400 MB/s / 7,000 MB/s
• Endurance: 2400 TBW
• Encryption: Supports TCG Opal 2.01
• Features: Microsoft DirectStorage optimized; Power loss protection for data-at-rest (not enterprise PLP)

Hardware Alternatives

• Samsung 990 Pro: The 990 Pro uses an 8-channel proprietary controller and generally sustains higher write speeds after cache saturation due to the channel count advantage.
• Western Digital WD_BLACK SN850X: Targets the same enthusiast tier with a proprietary Western Digital controller and delivers similar random I/O performance, though it typically consumes more power under load than the T500.
• Lexar NM790: Uses high-density 232L+ NAND and a 4-channel Maxio MAP1602 controller to reach 7000MB/s+ speeds but is DRAM-less (uses HMB) compared to the T500's dedicated DRAM.
• TEAMGROUP MP44Q: Similar to the Lexar alternative, it uses high-density 232L+ NAND with a 4-channel controller to hit top Gen4 speeds and is DRAM-less (utilizes HMB) while the T500 includes onboard DRAM.