/dev/ada0 pass0: <Samsung SSD 840 PRO Series DXM03B0Q> ACS-2 ATA SATA 3.x device pass0: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes) protocol ACS-2 ATA SATA 3.x device model Samsung SSD 840 PRO Series firmware revision DXM03B0Q serial number ... WWN 5002538... additional product id cylinders 16383 heads 16 sectors/track 63 sector size logical 512, physical 512, offset 0 LBA supported 268435455 sectors LBA48 supported 1000215216 sectors PIO supported PIO4 DMA supported WDMA2 UDMA6 media RPM non-rotating 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 no NCQ Non-Data Command no NCQ Streaming no Receive & Send FPDMA Queued yes NCQ Autosense no SMART yes yes security yes no power management yes yes microcode download yes yes advanced power management no no automatic acoustic management no no media status notification no no power-up in Standby no no write-read-verify yes no 0/0x0 unload no no 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 8 DSM - deterministic read yes zeroed Trusted Computing no encrypts all user data yes Sanitize yes block, overwrite, crypto Sanitize - commands allowed no Sanitize - antifreeze lock no Host Protected Area (HPA) yes no 1000215216/1000215216 HPA - Security yes no Accessible Max Address Config no