516816-B21-R HPE Dual Port Enterprise – hard drive 450 GB

516816-B21 Specifications

HPE 450 GB 15,000 RPM SAS 6 Gb/s 3.5-inch Hot-Swap Dual-Port HDD

Manufacturer: HPE
Manufacturer Model: 516816-B21
Product Line: HPE Enterprise SAS HDD
Product Series: 3.5-inch LFF SAS 15K
Product Type: Internal Hard Disk Drive (Hot-Swap, Dual-Port)
Product Name: HPE 450 GB 15K SAS HDD

KEY FEATURES:
Storage Capacity: 450 GB
Interface Type: SAS (6.0 Gb/s)
Rotational Speed: 15,000 RPM
Form Factor: 3.5-inch (LFF)
Hot-Swap Support: Yes
Cache (Buffer) Size: 16 MB

PERFORMANCE:
Maximum Data Transfer Rate: ~6.0 Gb/s (interface)
Average Seek Time: ~3.5 ms (approximate)
Average Latency: ~2.0 ms (half rotation at 15,000 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: approx. 146 mm × 101.6 mm × ~26 mm
Weight: ~0.73 kg (~1.60 lbs)