HDD-накопичувач Western Digital Ultrastar 0B47078 8TB
Economical Capacities and Fast Data Access for the Data Center
The Ultrastar® DC HA340 HDD in 4TB, 6TB, and 8TB delivers efficiency and performance for traditional and legacy systems based on proven CMR technology. Designed for a variety of applications including traditional storage arrays, rack-mounted storage enclosures and server-based storage systems, these drives are offered at 7,200 RPM with 6Gb/s SATA and Advanced Format 512e format.
Technology innovation delivers efficiency and performance for legacy systems
Address data center requirements by providing legacy capacities from 4TB to 8TB while implementing the latest in HDD storage technologies.
Proven and cost-efficient design
Ultrastar DC HA340 drives are based on an air-based HDD platform with Conventional Magnetic Recording (CMR) technology in a 3.5-inch form factor.
Performance and protection
These 4TB, 6TB, and 8TB HDD’s leverage a dual-stage microactuator to enhance head positioning accuracy for better drive performance.
Designed for data center workloads
The Ultrastar DC HA340 is performance-optimized to handle heavy application workloads of up to 550TB2 per year.
Built with reliability in mind
This robust drive delivers dependability in intense data center environments with up to 2M hours MTBF3 (projected).
Quality and security
Provides additional peace of mind with a 5-year limited warranty.
- Ultrastar DC HA340 drives extend Western Digital's long-standing tradition of reliability leadership with a 2.0M-hour MTBF failure rating (projected) and a 5-year limited warranty.
- Capacity points support both OEM and cloud deployments as well as traditional IT systems.
- Performance-optimized to handle heavy application workloads up to 550TB per year
General
| Unit Calculated Weight | 0.755 kg |
| Product Net Weight | 0.715 kg |
| Unit Calculated Volume | 0.001485 cubm |
| Units per Shipping Box | 20 |
| Units per Pallet | 0 |
| Summary | Western Digital Ultrastar 0B47078. HDD capacity: 8 TB, HDD speed: 7200 RPM, Storage drive buffer size: 256 MB, HDD size: 3.5", Interface: Serial ATA |
| CnCode | 84717050 |
| Unit Box Height | 0.03 |
| Unit Box Length | 0.15 |
| Unit Box Width | 0.105 |
| Model name | HDD-накопичувач Western Digital Ultrastar 0B47078 8TB |
| HDD Family name | Ultrastar DC HA340 |
| Model | 0B47078 |
Features
| 24/7 operation | Yes |
| Advanced Format (AF) | Yes |
| Average latency | 4.16 ms |
| HDD capacity | 8000 GB |
| HDD interface transfer rate | 6 Gbit/s |
| HDD size | 3.5 " |
| HDD speed | 7200 RPM |
| HDD sustained transfer rate | 255 MiB/s |
| Interface | Serial ATA |
| Mean time between failures (MTBF) | 2000000 h |
| Start/stop cycles | 600000 |
| Storage drive buffer size | 256 MB |
| Type | HDD |
| Uncorrectable Bit Error Rate (UBER) | < 1 per 10^15 bits read |
| Workload rate limit | 550 TB/year |
Power
| Operating voltage | 5 / 12 V |
| Power consumption (idle) | 6.7 W |
| Power consumption (typical) | 8 W |
Operational conditions
| Non-operating shock | 300 G |
| Non-operating vibration | 1.04 G |
| Operating shock | 70 G |
| Operating temperature (T-T) | 5 - 60 °C |
| Operating vibration | 0.67 G |
| Storage temperature (T-T) | -40 - 70 °C |
Weight & dimensions
| Depth | 26.1 mm |
| Height | 147 mm |
| Weight | 715 g |
| Width | 101.6 mm |
Packaging data
| Quantity per pack | 1 pc(s) |
Other features
| Linux operating systems supported | Yes |
| Windows operating systems supported | Yes |
