881787-K21 HPE internal hard drive 3.5″ 12000 GB Serial ATA

871 781-K21 Specifications

HPE 12 TB, 7,200 RPM, SATA 6 Gb/s, 3.5-inch Large Form Factor (LFF) Low-Profile Carrier Hard Disk Drive

Manufacturer: HPE
Manufacturer Model: 871 781-K21
Product Line: HPE Business-Critical / Midline SATA HDD
Product Series: 3.5-inch Large Form Factor (LFF), SATA 6 Gb/s, 7.2K RPM, 12 TB, helium-filled, 512e sector format, Low-Profile Carrier
Product Type: Internal Hard Disk Drive (Hot-Swappable)
Product Name: HPE 12 TB SATA 6G 7.2K LFF HDD

KEY FEATURES:

Storage Capacity: 12 TB
Interface Type: SATA (6 Gb/s)
Rotational Speed: 7,200 RPM
Form Factor: 3.5-inch Large Form Factor (LFF) Low-Profile Carrier
Hot-Swap Support: Yes
Technology Enhancements: Helium-filled design; advanced format (512e); security-optimized firmware

PERFORMANCE:

Interface Maximum Data Transfer Rate: Up to ~6 Gb/s (SATA)
Average Seek Time: ~8 ms typical
Average Latency: ~4.17 ms (typical for 7.2K RPM)
Spindle Speed: 7,200 RPM

ENVIRONMENTAL & RELIABILITY:

Designed for bulk-capacity, midline enterprise storage applications
Reliability Rating: Enterprise-class (24×7 operation)
Warranty: 1-Year standard

PHYSICAL:

Form Factor: 3.5-inch Large Form Factor (LFF) drive, Low-Profile Carrier
Typical Dimensions: ~146 mm × ~101.6 mm × ~25.4 mm (standard 3.5″ size)
Weight: Approximate ~1.36 kg (~3.0 lb)