P/N 870761-K21 Specifications
HPE 900 GB 15,000 RPM SAS 12 Gb/s 3.5-inch Hot-Swap HDD
Manufacturer: HPE
Manufacturer Model: 870761-K21
Product Line: HPE Enterprise SAS HDD
Product Series: 3.5-inch LFF SAS 15K (Dual-Port, Digitally Signed Firmware)
Product Type: Internal Hard Disk Drive (Hot-Swap)
Product Name: HPE 900 GB 15K SAS HDD
KEY FEATURES:
Storage Capacity: 900 GB
Interface Type: SAS (12.0 Gb/s)
Rotational Speed: 15,000 RPM
Form Factor: 3.5-inch (LFF) Low Profile Carrier
Hot-Swap Support: Yes (with hot-plug tray)
Cache (Buffer) Size: ~64 MB (typical for this class)
PERFORMANCE:
Maximum Data Transfer Rate: ~12.0 Gb/s (interface)
Average Seek Time: ~2.7 ms (typical)
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: ~1.6 million hours (typical for 15K enterprise HDD)
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: ~0.80 kg (~1.76 lbs)
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