• Black hp enterprise hpe p77055-b21 12.8tb nvme gen5 textured edge ssd with red indicator light for mixed use
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HPE

HPE P77055-B21 | 9550 12.8TB NVMe Gen5 Mixed Use EDSFF E3.S SSD, SPDM

HPE P77055-B21 | 9550 12.8TB NVMe Gen5 Mixed Use EDSFF E3.S SSD, SPDM

P77055-B21

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Description

The HPE 9550 12.8TB NVMe Gen5 EDSFF E3.S SSD delivers high-performance mixed use storage for demanding enterprise workloads including Big Data analytics, HPC, cloud computing, database applications, and virtualisation. Built on a PCIe Gen 5 interface, it maximises bandwidth and minimises latency compared to previous generations, while the EDSFF E3.S form factor enables exceptional NVMe density — up to 20 drives per 1U and 36 per 2U in HPE Gen11/Gen12 servers.

SPDM (Security Protocol and Data Model) support provides enhanced drive-level security with full data-path error detection for integrity across high I/O environments. Compatible with HPE ProLiant, Apollo, and Synergy Gen11 and Gen12 servers, this SSD is engineered to replace traditional 2.5-inch SFF drives with greater density, improved thermals, and better power efficiency. Order direct from iptrading.com.au — Australian-owned and operated since 2001.

Features

- PCIe Gen 5 interface delivers maximum bandwidth and reduced latency vs. Gen 4 and prior generations
- EDSFF E3.S form factor enables significantly higher NVMe drive density than traditional 2.5-inch SFF SSDs
- Balanced read/write performance tuned for mixed use enterprise workloads
- SPDM (Security Protocol and Data Model) support for enhanced drive-level security attestation
- Full data-path error detection ensures data accuracy under sustained high I/O loads
- Improved thermal management and power efficiency compared to conventional SSD designs
- Higher storage density per watt, reducing overall power consumption per server
- Validated for HPE ProLiant, Apollo, and Synergy Gen11 and Gen12 server platforms

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: 12.8TB
- Interface: NVMe PCIe Gen 5
- Form Factor: EDSFF E3.S (EC1 / Thin Carrier)
- Drive Model: HPE 9550
- Security: SPDM (Security Protocol and Data Model)
- Workload Type: High Performance Mixed Use
- Carrier Type: EC1 (EDSFF Thin Carrier)
- Server Density: Up to 20x E3.S drives per 1U server; up to 36x E3.S drives per 2U server
- Compatibility: HPE ProLiant, Apollo, and Synergy Gen11/Gen12 servers
- HPE Part Number: P77055-B21

FAQs

Q: What servers is the HPE P77055-B21 9550 SSD compatible with?
A: The HPE 9550 12.8TB NVMe Gen5 EDSFF E3.S SSD (P77055-B21) is compatible with HPE ProLiant, Apollo, and Synergy Gen11 and Gen12 servers that support the EDSFF E3.S (EC1 Thin Carrier) form factor and PCIe Gen 5 NVMe storage.

Q: What does EDSFF E3.S mean and how does it differ from a standard 2.5-inch SSD?
A: EDSFF (Enterprise and Data Center Standard Form Factor) E3.S is a next-generation SSD form factor designed specifically for NVMe. Compared to traditional 2.5-inch SFF drives, E3.S enables significantly higher drive density per rack unit — up to 20 drives in 1U and 36 drives in 2U — with better thermal management, improved power efficiency, and a native PCIe Gen 5 interface.

Q: What is SPDM and why does it matter for enterprise storage?
A: SPDM (Security Protocol and Data Model) is a DMTF standard that enables authenticated, secure communication between a host system and devices such as SSDs. On this drive, SPDM support allows HPE servers to verify the drive's identity and firmware integrity, reducing risk of supply chain attacks and supporting zero-trust infrastructure security requirements.

Q: Is this SSD suited to read-intensive or write-intensive workloads?
A: The HPE 9550 9550 SSD is classified as Mixed Use, meaning it is optimised for workloads with a balanced combination of reads and writes. This makes it well-suited for Big Data analytics, virtualisation, business intelligence, and database applications where neither purely sequential reads nor write-heavy patterns dominate.

Q: Can I purchase the HPE P77055-B21 SSD in Australia from iptrading.com.au?
A: Yes. iptrading.com.au is an Australian-owned and operated B2B IT hardware reseller, trading since 2001. You can order the HPE P77055-B21 9550 12.8TB NVMe Gen5 EDSFF E3.S SSD directly through our website or contact our team for volume pricing and availability.

Q: How many of these SSDs can I fit into an HPE Gen11 or Gen12 server?
A: HPE Gen11 and Gen12 servers supporting the EDSFF E3.S form factor can accommodate up to 20 drives in a 1U chassis and up to 36 drives in a 2U chassis. This high density makes the E3.S platform ideal for storage-intensive deployments such as HPC, cloud, and large-scale database environments.

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