QK554AT HP – hard drive – 500 GB – SATA 6Gb/s

QK554AT Specifications

HP 500 GB 7,200 RPM SATA 6 Gb/s 3.5-inch (LFF) Internal Hard Disk Drive

Manufacturer: HP
Manufacturer Model: QK554AT
Product Line: HP Desktop/Business SATA HDD
Product Series: 3.5-inch Large Form Factor (LFF), SATA 6 Gb/s, 7.2K RPM, 500 GB
Product Type: Internal Hard Disk Drive
Product Name: HP 500 GB SATA 6G 7.2K LFF HDD

KEY FEATURES:

Storage Capacity: 500 GB
Interface Type: SATA (6 Gb/s)
Rotational Speed: 7,200 RPM
Form Factor: 3.5-inch Large Form Factor (LFF)
Hot-Swap Support: No (desktop/standard internal drive)
Technology Enhancements: Standard desktop SATA design

PERFORMANCE:

Interface Maximum Data Transfer Rate: Up to 6 Gb/s interface (approx. 600 MB/s theoretical)
Cache (Buffer) Size: 8 MB
Average Seek Time: Typical for 7.2K RPM (~9–10 ms)
Average Latency: ~4.17 ms (typical)
Spindle Speed: 7,200 RPM

ENVIRONMENTAL & RELIABILITY:

Designed for desktop/business PC environments rather than enterprise server bays
Reliability Rating: Consumer/Business-class
Warranty: Standard (varies by region)

PHYSICAL:

Form Factor: 3.5-inch Large Form Factor (LFF) drive
Typical Dimensions: ~146 mm × 101.6 mm × ~25.4 mm (standard 3.5″ size)
Weight: Typical for 3.5″ drive (approximate)