R0Q55A HPE Enterprise – hard drive – 1.2 TB – SAS 12Gb/s

R0Q55A Specifications

HPE 1.2 TB 10,000 RPM SAS 12 Gb/s 2.5-inch Hot-Swap HDD

Manufacturer: HPE
Manufacturer Model: R0Q55A
Product Line: HPE Enterprise SAS HDD
Product Series: 2.5-inch SFF SAS 12G 10K
Product Type: Internal Hard Disk Drive (Hot-Swap)
Product Name: HPE 1.2 TB 10K SAS HDD

KEY FEATURES:
Storage Capacity: 1.2 TB
Interface Type: SAS (12.0 Gb/s)
Rotational Speed: 10,000 RPM
Form Factor: 2.5-inch (SFF)
Hot-Swap Support: Yes
Cache (Buffer) Size: ~64 MB (typical estimate for class)

PERFORMANCE:
Maximum Data Transfer Rate: up to ~12.0 Gb/s (interface rate)
Average Seek Time: ~4.0 ms (approximate)
Average Latency: ~3.0 ms (half rotation at 10,000 RPM)

ENVIRONMENTAL & RELIABILITY:
Designed for enterprise server/storage-array environments with hot-swap capability
MTBF: ~1.6 million hours (approximate)
Reliability Rating: Enterprise-class, 24×7 operation

PHYSICAL:
Form Factor: 2.5-inch Small Form Factor (SFF) drive
Typical Dimensions: Standard 2.5-inch drive (approx. 100 mm × 70 mm × ~15 mm)
Weight: ~0.50 kg (~1.10 lbs)