HDS724040KLSA80 Hitachi Deskstar 7K400 400GB SATA Hard Drive

HDS724040KLSA80 Specifications

Hitachi Deskstar 7K400 400 GB 3.5″ SATA 1.5 Gb/s HDD

Manufacturer: Hitachi Global Storage Technologies
Manufacturer Model: HDS724040KLSA80
Product Line: Deskstar 7K400
Product Series: Desktop/Enterprise SATA HDD
Product Type: Internal Hard Disk Drive
Product Name: Hitachi Deskstar 7K400 400 GB 3.5″ SATA HDD

KEY FEATURES:
Storage Capacity: 400 GB
Interface Type: Serial ATA (SATA) 1.5 Gb/s
Form Factor: 3.5‑inch
Drive Speed: 7,200 RPM
Cache/Buffer: 8 MB
Compatibility: Desktop PCs, workstations, and storage systems
Features Supported: Load/unload ramp parking, advanced power management, Fluid Dynamic Bearing motor technology

PERFORMANCE:
Maximum Interface Transfer Rate: Up to ~150 MB/s
Average Seek Time (Read): ~8.5 ms
Average Rotational Latency: ~4.17 ms
Sequential Read/Write Speed: Zone‑dependent (~30‑60 MB/s typical)
Random Read/Write IOPS: Not explicitly specified

ENVIRONMENTAL & RELIABILITY:
Operating Temperature Range: ~5 °C to 55 °C
Storage Temperature Range: ‑40 °C to ~70 °C
Operating Humidity: 8% – 90% non‑condensing
Shock Resistance (Operating): ~55G (2 ms)
Unrecoverable Bit Error Rate (UBER): ~1 in 10¹⁴ bits read

PHYSICAL:
Dimensions (W × D × H): 101.6 mm × 146.0 mm × 25.4 mm
Weight: Approximately 700 g
Color: Standard metallic silver/grey HDD enclosure