801888-B21-R HPE Midline – hard drive – 4 TB – SATA 6Gb/s

801888-B21 Specifications

HPE 4 TB 7,200 RPM SATA 6 Gb/s 3.5-inch Hard Drive

Manufacturer: HPE
Manufacturer Model: 801888-B21
Product Line: HPE Business Critical (Midline) SATA HDD
Product Series: 3.5-inch LFF SATA 7.2K
Product Type: Internal Hard Disk Drive
Product Name: HPE 4 TB 7.2K SATA HDD

KEY FEATURES:
Storage Capacity: 4 TB
Interface Type: SATA (6.0 Gb/s)
Rotational Speed: 7,200 RPM
Form Factor: 3.5-inch (LFF)
Hot-Swap Support: No (Non-Hot-Plug)
Cache (Buffer) Size: ~64 MB (typical for class)

PERFORMANCE:
Maximum Data Transfer Rate: ~6.0 Gb/s (interface rate)
Average Seek Time: ~9 ms (approximate)
Average Latency: ~4.17 ms (half rotation at 7,200 RPM)

ENVIRONMENTAL & RELIABILITY:
Designed for server/storage environments (non-mission-critical, midline workload)
MTBF: ~1.2 million hours (approximate)
Reliability Rating: Midline enterprise-class

PHYSICAL:
Form Factor: 3.5-inch Large Form Factor (LFF) drive
Typical Dimensions: Standard 3.5-inch drive (approx. 146 mm × 101.6 mm × ~26 mm)
Weight: ~0.80 kg (~1.76 lbs)