Product manual
Seagate Enterprise NAS HDD Product Manual, Rev. B 8
www.seagate.com Drive Specifications
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 Default logical geometry
• Cylinders: 16,383
• Read/write heads: 16
• Sectors per track: 63
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.
2.4 Recording and interface technology
2.5 Physical characteristics
Interface SATA
Recording method TGMR
Recording density (kFCI) 1941
Track density (ktracks/inch avg) 340
Areal density (Gb/in
2
) 642
Internal data transfer rate (Mb/s max) 2347
Maximum sustained data transfer rate, OD read (MB/s) 216
Average data rate, read/write (MB/s) 154
I/O data-transfer rate (MB/s max) 600
Maximum height 26.11mm / 1.028 in
Maximum width 101.6mm / 4.0 in (± 0.010 in)
Maximum length 146.99mm / 5.787 in
Typical weight
6TB 780g / 1.72 lb
5TB 700g / 1.54 lb
4TB
620g / 1.372 lb
3TB
2TB 540g / 1.19 lb
Cache buffer 128MB