Hewlett Packard Enterprise 873355-B21 Solid State Drive

Hewlett Packard Enterprise 873355-B21 Solid State Drive is an 800 GB SAS 12 Gb/s write-intensive 2.5-inch small form factor SSD designed for enterprise servers and storage arrays that demand high write endurance. It uses a Smart Carrier, digitally signed firmware, and hot-plug support, making it suitable for maintenance-friendly deployments in HPE ProLiant Gen9 and Gen10 systems. With data transfer speeds up to 12 Gb/s, this drive targets write-heavy workloads such as databases, transactional systems, and logging in data center environments, delivering consistent performance under demanding workloads. Common replacements include HPE P04566-B21, HPE 872479-B21, and HPE 804591-B21, and it is commonly used to replace or upgrade storage infrastructure in HPE ProLiant Gen9/Gen10 servers. Spare part number 873564-001.