Seagate IronWolf ST8000VN0022 8TB NAS SATA III 3.5" HDD

ST8000VN0022 provides the following key features: 
• 24x7 capability 
• Balance technology to support multiple drives in a system 
• Compliant with RoHS requirements in China and Europe 
• Full-track multiple-sector transfer capability without local processor intervention 
• Low activity and idle power 
• Low-RPM spindle speed 
• Native Command Queuing with command ordering to increase performance in demanding applications 
• Off-the-shelf compatibility 
• Performance-tuned for RAID applications 
• Rated for 1M hours MTBF 
• SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns. 
• State-of-the-art cache and on-the-fly error-correction algorithms 
• Streaming video optimization - consistent command completion times & ERC support 
• Support for S.M.A.R.T. drive monitoring and reporting 
• Supports ATA8 streaming commands 
• Supports latching SATA cables and connectors 
• TGMR recording technology provides the drives with increased areal density. 
• Worldwide Name (WWN) capability uniquely identifies the drive

Drive Specification*
Formatted capacity (512 bytes/sector)** 8000GB (8TB)
Guaranteed sectors 15,628,053,168
Heads 12 
Disks
Bytes per sector(4K physical emulated at 512-byte sectors) 4096 
Default sectors per track 63 
Default read/write heads 16 
Default cylinders 16,383 
Recording density (max) 2177KBPI 
Track density (avg) 370KTPI 
Areal density (avg) 802Gb/in2 
Internal data transfer rate (max) 1981Mb/s 
Maximum sustained data rate, OD read (MB/s) 210MB/s 
ATA data-transfer modes supportedPIO modes: 0 to 4Multiword DMA modes: 0 to 2Ultra DMA modes 0 to 6 
I/O data-transfer rate (max) 600MB/s 
Cache buffer 256MB 128MB 
Height (max) 26.11mm / 1.028 in 
Width (max) 101.6mm / 4.010 in 
Length (max) 146.99mm / 5.787 in 
Weight (max) 780g / 1.72 lb 
Average latency 4.0ms