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The E-X4146A is a NetApp E-Series 18TB drive with drive model WUH721818AL5204, listed in NetApp's advisory on Western Digital Paris C drives.
NetApp's public firmware advisories give the current release for each model ID. WUH721818AL5204: the WPSC advisory (medium errors and SMART trips after three years of power-on hours) to NE04.
The E-X4147A uses the same WUH721818AL5204 model and is covered by the same reliability KB.
NetApp's KB explains that under some workloads, such as 4k unaligned writes, drives on NE01 or NE02 firmware might reset internally and then fail with 2/4/2 check conditions, and the Paris C advisory covers medium errors and SMART trips after three years powered on; NetApp's tables move the drive to NE04.
To confirm a match, compare the NetApp part number and the drive model in SANtricity System Manager's hardware view with the drive label, and check the firmware level against the advisory before adding the drive to a pool.
More from this family: NetApp Disk.
| E-X4146A Specs | |
| Part number | E-X4146A |
| Capacity | 18TB |
| Type | drive (type not stated in public NetApp sources) |
| Platform | NetApp E-Series (SANtricity) |
| Model IDs (NetApp KB) | WUH721818AL5204 |
| Firmware per model ID (latest in KB) | WUH721818AL5204 NE04 |