HPE P77057-B21 | 9550 3.84TB NVMe Gen5 Read Intensive EDSFF E3.S SSD, SPDM

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SKU:P77057-B21

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Description

The HPE 9550 3.84TB NVMe PCIe Gen5 EDSFF E3.S SSD is an enterprise-grade server solid-state drive engineered for high-performance read-intensive workloads including databases, AI inference, and machine learning. Leveraging the compact E3.S (EC1) EDSFF form factor with PCIe Gen5 bandwidth, it delivers superior IOPS and lower latency compared to legacy 2.5-inch NVMe drives, while enabling unprecedented server density — up to 20 drives in 1U or 36 drives in 2U HPE ProLiant platforms. The -B21 compute SKU is a standard non-encrypting variant secured via SPDM (Security Protocol and Data Model) and HPE Digitally Signed Firmware.

Designed for HPE Gen11 and Gen12 ProLiant servers, this SSD features full data-path error detection for data integrity across demanding enterprise I/O environments. Its improved thermal and power profile supports more drives per server without compromising efficiency or reliability.

Features

- PCIe Gen5 interface delivers maximum NVMe bandwidth — only available with EDSFF E3.S SSDs in HPE platforms
- EDSFF E3.S form factor enables ultra-high drive density: 20 drives per 1U, 36 drives per 2U
- Optimised for read-intensive enterprise workloads: databases, AI, machine learning, and high-performance applications
- Full data-path error detection ensures data accuracy and integrity across all I/O operations
- HPE Digitally Signed Firmware protects against unauthorised firmware modification and malicious attacks
- SPDM (Security Protocol and Data Model) support for authenticated device identity and firmware measurement
- Improved thermals and per-drive power efficiency enabling denser, more scalable server deployments
- Compatible with HPE Gen11 and Gen12 ProLiant servers; -B21 SKU replaceable with -K21 for broader server family coverage

Warranty

Hewlett Packard Enterprise (HPE) offers a standard limited hardware warranty on its products, with coverage periods varying by product line. For instance, HPE ProLiant servers typically come with a 1 to 3-year limited warranty, while other products may have different durations.
Extended Warranty Options via IP Trading:
IP Trading offers tailored extended warranty solutions and support packages for HPE products, ensuring your IT infrastructure remains protected beyond the standard warranty period. Contact our team to explore options that align with your organisation's needs.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Capacity: 3.84TB
- Interface: NVMe PCIe Gen5
- Form Factor: EDSFF E3.S (E3S EC1)
- Controller: HPE 9550
- Workload Optimisation: High Performance Read Intensive
- Security: SPDM (Security Protocol and Data Model)
- Firmware: HPE Digitally Signed Firmware
- Encryption: Standard (non-encrypting)
- SKU Type: -B21 HPE ProLiant Compute product line
- Server Compatibility: HPE Gen11 and Gen12 ProLiant servers
- Density: Up to 20x E3.S drives per 1U server; up to 36x per 2U server

FAQs

Q: What servers is the HPE P77057-B21 3.84TB NVMe Gen5 SSD compatible with?
A: This SSD is designed for HPE Gen11 and Gen12 ProLiant servers that support the EDSFF E3.S drive bay. It uses the -B21 compute SKU suffix, which targets the HPE ProLiant compute product line. For other server family lines, the equivalent -K21 SKU may be used instead.

Q: What workloads is this SSD best suited for?
A: The 9550 series E3.S SSD is optimised for high-performance read-intensive workloads, including relational databases, AI inference, machine learning model serving, analytics, and any enterprise application requiring high IOPS and low latency storage.

Q: Does this SSD support self-encrypting drive (SED) capabilities?
A: No. The P77057-B21 is a standard non-encrypting variant. HPE offers separate SED (Self-Encrypting Drive) SKUs for environments that require hardware-level data-at-rest encryption. If encryption is required, please contact iptrading.com.au to identify the correct SKU.

Q: What makes the EDSFF E3.S form factor better than traditional 2.5-inch NVMe SSDs?
A: EDSFF E3.S drives offer a shorter, thinner form factor purpose-built for PCIe Gen5 speeds. They enable higher drive density per server (up to 36 drives in 2U), improved airflow and thermal management, lower wattage per drive, and are the only way to access PCIe Gen5 bandwidth in HPE ProLiant platforms.

Q: How does HPE Digitally Signed Firmware protect this SSD?
A: HPE Digitally Signed Firmware ensures that only HPE-authenticated firmware can be loaded onto the drive. This protects against supply chain attacks, unauthorised firmware modifications, and malicious code injection — a critical security feature for enterprise and government datacenter deployments.

Q: Can I purchase the HPE P77057-B21 SSD in Australia through iptrading.com.au?
A: Yes. iptrading.com.au is an Australian-owned and operated IT hardware reseller with over 20 years of experience supplying HPE server components. You can order the P77057-B21 directly online or contact the team for volume pricing, compatibility advice, and procurement support.

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HPE P77057-B21 | 9550 3.84TB NVMe Gen5 Read Intensive EDSFF E3.S SSD, SPDM