Dysk WD Ultrastar DC HC320 8TB 3.5" SATA III (HUS728T8TALE6L4)

Our most popular Ultrastar SATA models Full range of capacities (1TB to 14TB) High workload rating, 10X higher than desktop drives, for 24x7 operation Advanced technology design supports enterprise-class reliability and power efficiency 6 Gb/s SATA 5-year limited warranty Cloud applications and distributed file systems like Apache Hadoop® to support Big Data analytics Bulk storage using Object storage solutions like Ceph™ and OpenStack Swift Direct & Network Attached Storage (DAS & NAS), RAID storage Industrial or Surveillance Applications Entry Server Storage Specifications   Part number 0F31284 / 0F30146 / 0F27606 0B36404 / 0B36039 / 0B35950 1W10002 / 1W10001 Ultrastar DC family HC530 / HC520 / HC510 HC320 / HC310 / HC310 HA210 / HA210 Capacity1 14TB / 12TB / 10TB 8TB / 6TB / 4TB 2TB / 1TB Format: Sector size (bytes)2 512e 512e / 512e / 512n 512n Interface SATA 6 Gb/s SATA 6 Gb/s SATA 6 Gb/s Native command queuing Yes Yes Yes Form Factor 3.5-inch 3.5-inch 3.5-inch RoHS compliant3 Yes Yes Yes Performance   Sustained data transfer rate4       Buffer to host (max, MB/s) 600 MB/s 600 MB/s 600 MB/s Host to/from drive (typical, MB/s) 267 / 255 / 249 255 / 255 / 233 200 / 184 Cache (MB) 512 / 256 / 256 256 128 Performance class 7200 RPM 7200 RPM 7200 RPM Reliability/Data Integrity   MTBF (M hours)6 2,500,000 2,000,000 2,000,000 AFR (%) 0.35 0.44 0.44 Load/Unload cycles 600,000 600,000 600,000 Error rate (non-recoverable bits read) 1 in 1015 1 in 1015 1 in 1015 Limited Warranty (yrs) 5 5 5 Power Management   Operational7 7.6 / 6.9 / 6.8 8.8 / 7 / 7 8.1 Idle (W)8 5.6 / 5 / 5 7.4 / 5.9 / 5.9 5.9 Power efficiency index (W/TB, Idle) 0.4 / 0.417 / 0.5 0.925 / 0.983 / 1.475 2.95 / 5.9 Environmental Specifications   Shock (Gs)       Operating (half-sine wave, 2ms) 70 70 65 Non-operating (half-sine wave, 2ms) 300 300 300 Seek (average) 36 36 28 Operating 5° to 60° 5° to 60° 5° to 60° Non-operating -40° to 70° -40° to 70° -40° to 70° Acoustics (dBA) Idle 20 29 25 Physical Dimensions   Weight (lb/kg, +- 10%) 14TB: 1.52 / 0.69 <14TB: 1.46 / 0.66 1.58 / 0.715 1.41 / 0.641 Height (in/mm, max) 1.028 / 26.1 1.028 / 26.1 1.028 / 26.1 Length (in/mm, max) 5.787 / 147 5.787 / 147 5.787 / 147 Width (in/mm,+- 0.01 in.) 4 / 101.6 4 / 101.6 4 / 101.6 Specifications   Part number 0F31284 / 0F30146 / 0F27606 0B36404 / 0B36039 / 0B35950 1W10002 / 1W10001 Ultrastar DC family HC530 / HC520 / HC510 HC320 / HC310 / HC310 HA210 / HA210 Capacity1 14TB / 12TB / 10TB 8TB / 6TB / 4TB 2TB / 1TB Format: Sector size (bytes)2 512e 512e / 512e / 512n 512n Interface SATA 6 Gb/s SATA 6 Gb/s SATA 6 Gb/s Native command queuing Yes Yes Yes Form Factor 3.5-inch 3.5-inch 3.5-inch RoHS compliant3 Yes Yes Yes Performance   Sustained data transfer rate4       Buffer to host (max, MB/s) 600 MB/s 600 MB/s 600 MB/s Host to/from drive (typical, MB/s) 267 / 255 / 249 255 / 255 / 233 200 / 184 Cache (MB) 512 / 256 / 256 256 128 Performance class 7200 RPM 7200 RPM 7200 RPM Reliability/Data Integrity   MTBF (M hours)6 2,500,000 2,000,000 2,000,000 AFR (%) 0.35 0.44 0.44 Load/Unload cycles 600,000 600,000 600,000 Error rate (non-recoverable bits read) 1 in 1015 1 in 1015 1 in 1015 Limited Warranty (yrs) 5 5 5 Power Management   Operational7 7.6 / 6.9 / 6.8 8.8 / 7 / 7 8.1 Idle (W)8 5.6 / 5 / 5 7.4 / 5.9 / 5.9 5.9 Power efficiency index (W/TB, Idle) 0.4 / 0.417 / 0.5 0.925 / 0.983 / 1.475 2.95 / 5.9 Environmental Specifications   Shock (Gs)       Operating (half-sine wave, 2ms) 70 70 65 Non-operating (half-sine wave, 2ms) 300 300 300 Seek (average) 36 36 28 Operating 5° to 60° 5° to 60° 5° to 60° Non-operating -40° to 70° -40° to 70° -40° to 70° Acoustics (dBA) Idle 20 29 25 Physical Dimensions   Weight (lb/kg, +- 10%) 14TB: 1.52 / 0.69 <14TB: 1.46 / 0.66 1.58 / 0.715 1.41 / 0.641 Height (in/mm, max) 1.028 / 26.1 1.028 / 26.1 1.028 / 26.1 Length (in/mm, max) 5.787 / 147 5.787 / 147 5.787 / 147 Width (in/mm,+- 0.01 in.) 4 / 101.6 4 / 101.6 4 / 101.6