HP 804665-B21 400GB 2.5-inch (SFF) SATA Write Intensive-2 (WI) 6G SC Solid State Hard Drive

Overview

The HP 804665-B21 is a 400GB 2.5-inch (SFF) SATA solid state drive designed for write intensive workloads. Built on a 6G SAS/SATA controller, this drive delivers consistent performance in environments where large amounts of data are written and rewritten daily. Its compact form factor makes it an ideal upgrade for laptops, small form factor desktops, and entry level servers that require reliable, high-capacity storage without the mechanical limitations of traditional hard drives.

Key Features

• 400GB capacity in a 2.5-inch (SFF) form factor
• 6G SATA interface for fast data transfer rates
• Write Intensive-2 (WI) design optimised for heavy write operations
• Low power consumption compared with spinning disks
• Enhanced endurance for sustained write cycles
• Compatible with standard SATA connectors and hot-swap bays

Technical Specifications

• Model / Part Number: 804665-B21
• Form Factor: 2.5-inch (SFF)
• Capacity: 400GB
• Interface: SATA 6Gb/s (SATA III)
• Form Factor Height: 9.5mm
• Sequential Read Speed: up to 540 MB/s (typical)
• Sequential Write Speed: up to 500 MB/s (typical)
• MTBF: 2,000,000 hours
• Operating Temperature: 0 to 70 degrees C
• Power Consumption (Active): approx 2.5 W
• Power Consumption (Idle): approx 0.5 W

Applications

This SSD is well suited for:

• Enterprise and small business servers that run database transactions or virtual machines
• Content creation workstations that handle large video or graphic files
• High-performance laptops and ultrabooks requiring fast boot and load times
• Network attached storage (NAS) units where write endurance is critical
• Any environment that demands reliable, repeatable write performance such as logging, surveillance, and backup appliances