PCI\VEN_1987&DEV_5021
NVMe SSD driver
PCI\VEN_1987&DEV_5021 is the Phison Electronics Corporation PS5021-E21 PCIe4 NVMe Controller (DRAM-less), an NVMe SSD device. Windows 10 and 11 run NVMe drives with the built-in StorNVMe driver; a maker driver is optional. Get it from Windows Update or your PC maker first; the chip maker's own package is on learn.microsoft.com.
Device details
| Hardware ID | PCI\VEN_1987&DEV_5021 |
|---|---|
| Device name | PS5021-E21 PCIe4 NVMe Controller (DRAM-less) |
| Maker | Phison Electronics Corporation (PCI vendor ID 1987) |
| Device type | NVMe SSD |
| Driver guide | Do you need an NVMe driver? |
How to install the driver for PS5021-E21 PCIe4 NVMe Controller (DRAM-less)
- Confirm the ID. In Device Manager, right-click the device, open Properties, then Details, and pick Hardware Ids. The first line should start with
PCI\VEN_1987&DEV_5021. - Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Firmware and storage drivers are rarely offered here.
- Check your PC maker. Enter your model or serial number on its support site and look under Storage.
- Use the chip maker's package. NVMe Features Supported by StorNVMe (Microsoft Learn) on learn.microsoft.com. Our do you need an nvme driver? guide explains which package fits.
- Restart and check. Open Disk Management and check the drive is listed.
Other Phison nvme ssd IDs
VEN_1987&DEV_5017PS5017 x2 NVMe SD Express SSD Controller (DRAM-less)VEN_1987&DEV_5018E18 PCIe4 NVMe ControllerVEN_1987&DEV_5019PS5019-E19 PCIe4 NVMe Controller (DRAM-less)VEN_1987&DEV_5020PS5020-E20 (X1) PCIe4 NVMe ControllerVEN_1987&DEV_5026PS5026-E26 PCIe5 NVMe ControllerVEN_1987&DEV_5027PS5027-E27T PCIe4 NVMe Controller (DRAM-less)VEN_1987&DEV_5028PS5028-E28 PCIe5 NVMe ControllerVEN_1987&DEV_5029PS5029-E29T PCIe4 NVMe Controller (DRAM-less)
Device names: The PCI ID Repository, public data. We never host driver files: downloads come from the maker.