HUA721075KLA330 Hitachi Ultrastar A7K1000 750GB SATA Hard Drive

HUA721075KLA330 Specifications

Hitachi Ultrastar A7K1000 750GB 3.5″ SATA 3Gb/s HDD

Manufacturer: Hitachi Global Storage Technologies
Manufacturer Model: HUA721075KLA330
Product Line: Ultrastar A7K1000
Product Series: Enterprise SATA HDD
Product Type: Internal Hard Disk Drive
Product Name: Hitachi Ultrastar A7K1000 750GB 3.5″ SATA 3Gb/s HDD

KEY FEATURES:
Storage Capacity: 750GB
Interface Type: Serial ATA (SATA) 3Gb/s
Form Factor: 3.5-inch
Drive Speed: 7,200 RPM
Cache/Buffer: 32MB
Compatibility: Desktop, workstation, and enterprise systems using SATA 3Gb/s interface
Features Supported: Load/unload ramp parking, Rotational Vibration Safeguard (RVS) for multi-drive systems, Native Command Queuing (NCQ)

PERFORMANCE:
Maximum Interface Transfer Rate: 300MB/s
Sequential Read/Write Speed: ~85–42 MB/s (zone dependent)
Average Seek Time (Read, typical): ~8.2 ms
Rotational Latency: ~4.17 ms
Areal Density (max): ~148 Gbits/sq‑in

ENVIRONMENTAL & RELIABILITY:
Operating Temperature Range: 5°C to 60°C
Storage Temperature Range: -40°C to 70°C
Operating Humidity: 8% – 90% non-condensing
Shock Resistance: 55G (2 ms, operating)
Unrecoverable Bit Error Rate (UBER): 1 in 10¹⁵ bits read
Start/Stop Cycles at 40°C: 50,000

PHYSICAL:
Dimensions (W × D × H): 101.6 mm × 147.0 mm × ~26.1 mm max
Weight: Up to ~700 g max
Color: Standard metallic silver enterprise HDD enclosure