Hitachi Ultrastar A7K1000 -750GB 7200RPM 512n SATA II 3Gb/s 32MB Cache 3.5" Enterprise Class Hard Drive - HUA721075KLA330
| Condition | Refurbished |
|---|---|
| Warranty | 1 Year Warranty |
| Availability | Yes - Ships in 1 to 2 Days |
| Manufacturer | Hitach Global Storage Technologies - HGST Inc |
|---|---|
| Model | HUA721075KLA330 |
| Series | Hitachi HGST Ultrastar A7K1000 |
| UPC Code | Does Not Apply |
Hitachi HGST Ultrastar A7K1000 3.5" Enterprise Hard Drive
Record Capacity, Enterprise-Class Reliability
The Ultrastar A7K1000 delivers up to one terabyte of storage capacity in a standard 3.5-inch form factor, filling a vital need for high-density storage in the enterprise. As the third generation design, based on the popular Deskstar E7K500, the Ultrastar A7K1000 continues to set the standard in enterprise-class reliability and performance for enterprise and nearline applications requiring high-capacity storage. With a unique 5-platter design, Hitachi has relaxed the bit densities to achieve higher reliability. The Ultrastar A7K1000 is built using the industry’s most reliable perpendicular magnetic recording (PMR) recording heads and media.
Performance Targeted for the Enterprise
The Ultrastar A7K1000 features a 3 Gb/s SATA interface supporting key features in the Serial-ATA specification including Native Command Queuing (NCQ), staggered spin-up and hot-swap capability. The Ultrastar A7K1000 allows for configuration scalability and with the same physical connector as Serial Attached SCSI (SAS) drives, it’s ideal for use in mixed-drive environments.
In multi-drive environments, rotational vibration, which results from the vibration of neighboring drives in a system, can degrade hard drive performance. To aid in maintaining high performance, the Ultrastar A7K1000 incorporates enhanced Rotational Vibration Safeguard (RVS) technology providing up to 50% improvement over the previous generation against performance degradation, leading the industry.
Finally, the Ultrastar A7K1000 is targeted at 1.2 million hours MTBF and provides the industry’s most comprehensive 5-year warranty.
Hitachi Quality and Service
HGST’s Ultrastar A7K1000 extends the company’s long-standing tradition of performance and capacity leadership. The proven drive design enables high reliability and availability to customer data. Ultrastar quality, performance and world class technical support and service provides customers with a lower total cost of ownership over previous generations.
HGST drives are backed by an array of technical support and services, which may include customer and integration assistance. HGST is dedicated to providing a complete portfolio of HDD/SSD solutions to satisfy today’s monumental computing needs.
  Highlights
- Up to 1 Terabyte of capacity
- 3 Gb/s SATA for configuration flexibility
- Targeted 1.2 Million Hours MTBF
- Enhanced Rotational Vibration Safeguard (RVS) for robust performance in multi-drive environments
- 5-year warranty
  Applications / Environments
- RAID Arrays
- Tiered Storage
- Nearline Storage
- Disk-to-Disk Back up
- Network Attached Storage (NAS)
- Data Warehousing
Product Specs
| Capacity | 750 GB |
|---|---|
| Spindle Speed | 7200 RPM Fluid Dynamic Bearing (FDB) Motor |
| Cache Buffer | 32 MB Intelligent Caching |
| Advanced Format | No - 512n Native (Bytes per Sector: 512) |
| Form Factor | 3.5 Inch Internal Hard Drive |
| Interface | SATA II 3Gb/sec (Generation 2) |
| Interface Speed | 3Gb/sec - Data Transfer Rate (max) Buffer to Host |
| Data Transfer Rate | 1070 Mbits/sec Media Transfer Rate (max) |
| Interface Connector | SATA (7-Pin Signal and 15-Pin Power Connector) |
| Recording Technology | Perpendicular Magnetic Recording (PMR) Technology |
| Life Expectancy | 1.2 Million Hours MTBF (Mean Time Before Failures) / 0.35% AFR (Annualized Failure Rate) |
| Workload Rating | 300 TB/yr (Workload Rate Limit) / 300,000 (Load/Unload Cycles) |
| Shock Resistance | Operating: 70Gs / 2ms - Non Operating: 300Gs / 1ms (half sine wave) |
| Encryption | No - Standard Model |
| Rohs Compliant | Yes |
| Dimensions | (L x W x H) 147mm. x 101.6mm x 26.1mm |
| Part Number | 0A35771, 0Y30039 |
| Classification | Enterprise Class Drives |
Key Features
- Capacities up to 1TB
- 7200RPM Rotational Speed Motor
- 48 bit Addressing Feature
- Read Multiple and Write Multiple Command Support
- Intelligent Caching Technology
- Automatic Actuator Lock
- Closed Loop Actuator Servo
- Advanced Power Management Technology
- Perpendicular Magnetic Recording (PMR) Technology
- 300,000 Load/Unload Cycles for Data Integrity
- Native Command Queuing (NCQ) Technology
- Full-Track Multiple-Sector Transfer Capability
- State-of-the-Art Cache and On-the-Fly Error-Correction Algorithms
- Thermal Fly Height Control (TFC) Technology
- Enhanced Error Correction Code (ECC) Technology
- Rotational Vibration Safeguard (RVS) Technology
- Self Protecting Throttling (SPT) Technology
- Adaptive Zone Recording Technology
- Fluid Dynamic Bearing (FDB) Motors