/dev/ada0 pass0: <WDC WD20EZBX-08AYR 01.01A01> ACS-3 ATA SATA 3.x device pass0: 600.000MB/s transfers (SATA 3.x, UDMA5, PIO 8192bytes) protocol ACS-3 ATA SATA 3.x device model WDC WD20EZBX-08AYR firmware revision 01.01A01 serial number ... WWN 50014ee... additional product id cylinders 16383 heads 16 sectors/track 63 sector size logical 512, physical 4096, offset 0 LBA supported 268435455 sectors LBA48 supported 3907029168 sectors PIO supported PIO4 DMA supported WDMA2 UDMA5 media RPM 7200 Zoned-Device Commands no Feature Support Enabled Value Vendor read ahead yes yes write cache yes yes flush cache yes yes Native Command Queuing (NCQ) yes 32 tags NCQ Priority Information yes NCQ Non-Data Command no NCQ Streaming no Receive & Send FPDMA Queued no NCQ Autosense no SMART yes yes security yes no power management yes yes microcode download yes yes advanced power management yes yes 128/0x80 automatic acoustic management no no media status notification no no power-up in Standby no no write-read-verify no no unload yes yes general purpose logging yes yes free-fall no no sense data reporting no no extended power conditions no no device statistics notification no no Data Set Management (DSM/TRIM) yes DSM - max 512byte blocks yes 10 DSM - deterministic read yes any value Trusted Computing no encrypts all user data no Sanitize no Host Protected Area (HPA) no Accessible Max Address Config yes no 3907029168/3907029168 /dev/nda0 Controller Capabilities/Features ================================ Vendor ID: 144d Subsystem Vendor ID: 144d Serial Number: S65ENE0R711459 Model Number: SAMSUNG MZALQ256HBJD-00BL1 Firmware Version: 9L1QFXM7 Recommended Arb Burst: 2 IEEE OUI Identifier: 00 25 38 Multi-Path I/O Capabilities: Not Supported Max Data Transfer Size: 2097152 bytes Sanitize Crypto Erase: Not Supported Sanitize Block Erase: Supported Sanitize Overwrite: Not Supported Sanitize NDI: Supported Sanitize NODMMAS: No Controller ID: 0x0005 Version: 1.4.0 Admin Command Set Attributes ============================ Security Send/Receive: Supported Format NVM: Supported Firmware Activate/Download: Supported Namespace Management: Not Supported Device Self-test: Supported Directives: Not Supported NVMe-MI Send/Receive: Not Supported Virtualization Management: Not Supported Doorbell Buffer Config: Not Supported Get LBA Status: Not Supported Sanitize: block, Abort Command Limit: 8 Async Event Request Limit: 4 Number of Firmware Slots: 3 Firmware Slot 1 Read-Only: No Per-Namespace SMART Log: Yes Error Log Page Entries: 64 Number of Power States: 5 Total NVM Capacity: 256060514304 bytes Unallocated NVM Capacity: 0 bytes Firmware Update Granularity: 04 (16384 bytes) Host Buffer Preferred Size: 67108864 bytes Host Buffer Minimum Size: 16777216 bytes NVM Command Set Attributes ========================== Submission Queue Entry Size Max: 64 Min: 64 Completion Queue Entry Size Max: 16 Min: 16 Number of Namespaces: 1 Compare Command: Supported Write Uncorrectable Command: Supported Dataset Management Command: Supported Write Zeroes Command: Not Supported Save Features: Supported Reservations: Not Supported Timestamp feature: Supported Verify feature: Not Supported Fused Operation Support: Not Supported Format NVM Attributes: Per-NS Erase, Per-NS Format Volatile Write Cache: Present, flush all NVM Subsystem Name: nqn.1994-11.com.samsung:nvme:PM991a:M.2:S65ENE0R711459