K2Q82A HP 4TB 7200RPM SAS 12Gbps Midline Hot Swap (512e)

K2Q82A Specifications

HPE 4 TB 7,200 RPM SAS 3.5-inch Hot-Swap HDD

Manufacturer: HPE
Manufacturer Model: K2Q82A
Product Line: HPE Midline SAS HDD
Product Series: 3.5-inch LFF SAS 12G 7.2K
Product Type: Internal Hard Disk Drive (Hot-Swap)
Product Name: HPE 4 TB 7.2K SAS HDD

KEY FEATURES:
Storage Capacity: 4 TB
Interface Type: SAS (12.0 Gb/s)
Rotational Speed: 7,200 RPM
Form Factor: 3.5-inch (LFF)
Hot-Swap Support: Yes
Cache (Buffer) Size: ~64 MB (typical for this class)

PERFORMANCE:
Maximum Data Transfer Rate: ~12.0 Gb/s (interface rate)
Average Seek Time: ~8.5 ms (approximate typical for 7.2 K RPM enterprise drive)
Average Latency: ~4.17 ms (half a rotation at 7,200 RPM)

ENVIRONMENTAL & RELIABILITY:
Designed for enterprise server/storage-array environments with hot-swap capability
MTBF: ~1.2 million hours (approximate)
Reliability Rating: Enterprise-class, 24×7 operation

PHYSICAL:
Form Factor: 3.5-inch Large Form Factor (LFF) drive
Typical Dimensions: Standard 3.5-inch drive (approx. 146 mm × 101.6 mm × ~26 mm)
Weight: ~0.70 kg (~1.54 lbs)