WD Blue SN5100 4 TB (WDS400T5B0E-00CPE0)

The WD Blue SN5100 is a line of internal NVMe SSDs in M.2 2280 form factor based on PCIe 4.0, designed for work and home PCs that require a fast system drive with a wide range of capacities without stepping into the more expensive gaming segment. The WD Blue SN5100 line spans 500 GB, 1 TB, 2 TB, and 4 TB models and is positioned by the manufacturer as a solution for everyday work scenarios, large project folders, and accelerating AI-enabled workflows. Across the series, maximum sequential read speeds reach 7,100 MB/s and write speeds up to 6,700 MB/s for the 1 TB and 2 TB models, while the 500 GB model delivers up to 6,600/5,600 MB/s and the 4 TB model up to 6,900/6,700 MB/s. The WD Blue SN5100 also claims up to 1,000K IOPS read and 1,300K IOPS write performance in the 1–2 TB variants, with TBW endurance scaling from 300 TBW in the 500 GB model to 1,200 TBW in the 4 TB variant. The series leverages the proprietary Sandisk nCache 4.0 technology for accelerated large file handling. The WD Blue SN5100 serves as a versatile PCIe 4.0 SSD line for system drives, workstations, or notebook upgrades when you need a balance between speed, capacity, and moderate positioning without a focus on console or extreme gaming scenarios.