Seagate IronWolf Pro - Page 9

Seagate IronWolf Pro v4 Serial ATA Product Manual, Rev. C 8
2.2Formatted capacity
*One GB equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting..
2.2.1 LBA mode
When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1, where n is the number of
guaranteed sectors as defined above.
See Section 4.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48-bit addressing support
of drives with capacities over 137GB.
2.3 Recording and interface technology
2.4 Start/stop times
ST models Formatted capacity* Guaranteed sectors Bytes per logical sector
ST12000NE0007 12TB 23,437,770,752
512
ST10000NE0004 10TB 19,532,873,728
Note
LBA Counts for drive capacities greater than 8TB are calculated based upon the SFF-8447 standard publication.
ftp://ftp.seagate.com/sff/SFF-8447.PDF
ST12000NE0007 & ST10000NE0004
Interface Serial ATA (SATA)
Recording method Perpendicular
Recording density, KBPI (Kb/in max) 2283
Track density, KTPI (ktracks/in avg) 392
Areal density (Gb/in
2
avg) 923
Spindle speed (RPM) (± 0.2%) 7200
Internal data transfer rate (Mb/s max) 2685
Maximum Sustained transfer rate (MB/s) 250
I/O data-transfer rate (MB/s max) 600 (Ultra DMA mode 5)
Power-on to Ready (sec) (typ/max) 20/30
Standby to Ready (sec) (typ/max) 20/30
Ready to spindle stop (sec) (max) 23