870761-B21 HPE Enterprise 900 GB 15K RPM hot-swap 3.5″

870761‑B21 Specifications

HPE 900 GB 15,000 RPM SAS 12 Gb/s 3.5‑inch Enterprise Hard Drive

Manufacturer: Hewlett Packard Enterprise (HPE)
Manufacturer Model: 870761‑B21
Product Line: HPE Enterprise SAS HDD
Product Series: 900 GB 12 Gb/s SAS 15K LFF
Product Type: Internal Hard Disk Drive (Hot‑Swap)
Product Name: HPE 900 GB SAS 12 Gb/s Enterprise HDD

KEY FEATURES:
Storage Capacity: 900 GB
Interface Type: SAS (12 Gb/s)
Rotational Speed: 15,000 RPM
Form Factor: 3.5‑inch (LFF)
Hot‑Swap Support: Yes (enterprise server HDD)
Cache (Buffer) Size: Typically 64 MB
Sector Size: 512n

PERFORMANCE:
Maximum Data Transfer Rate: Up to ~12 Gb/s (SAS interface)
Average Seek Time: ~2.7 ms
Typical Throughput: ~295 MiB/s (approximate)

ENVIRONMENTAL & RELIABILITY:
Designed for enterprise server and storage workloads with rugged reliability
Digitally signed firmware for enhanced security and data integrity
Dual‑port SAS support for high availability applications

PHYSICAL:
Form Factor: 3.5‑inch Large Form Factor (LFF, Low Profile)
Typical Dimensions (approx): Standard 3.5″ drive size (~146 mm × 101.6 mm × 26 mm)
Weight: ~0.8–1.0 kg (with carrier)

COMPATIBILITY:
Compatible with a wide range of HPE ProLiant servers and storage arrays that support 3.5″ SAS drives in enterprise hot‑swap bays.