746842-001 761926-001 for HP 920GB SAS 6Gbps SFF SSD 3PAR 7000 Solid State Drive in Stock

HPE 746842-001 (SanDisk) 920GB NVMe SSD Enterprise Solid State Drive Product Introduction

Product Overview

            HPE 746842-001 (disk body manufactured by SanDisk, now owned by Western Digital) is an enterprise grade NVMe solid-state drive positioned for read intensive workloads. It provides low latency and high IOPS performance brought by NVMe technology for enterprise applications, while becoming a powerful alternative to SATA SSD and SAS HDD with its optimized cost and reliability, suitable for scenarios such as boot drives, general storage, and cache acceleration.

This hard drive is typically used as a hybrid or read intensive solution, integrated into HPE's ProLiant Gen9, Gen10 and other server platforms.

1. Core features and specifications

        Capacity: 920 Gigabytes (GB)

         This is a typical "enterprise level" capacity point, typically reserving a portion of Over provisioning (OP) space to maintain long-term performance, garbage collection, and durability, resulting in a user available capacity of less than 1TB.

         Interface and Protocol: NVMe 1.1 over PCIe 3.0 x4 Lanes

        Provide much higher bandwidth and lower latency than SATA/SAS interfaces, significantly improving system response speed.

         Form Factor: 2.5 inches U.2 (SFF-8639)

         Adopting a standard 2.5-inch hard drive appearance, it can be installed into the server's standard 2.5-inch hot swappable disk slots (with NVMe support on the backplane).

         Performance indicators (typical values):

         Continuous reading speed: up to 2500 MB/s

         Continuous write speed: up to 1100 MB/s

         Random read IOPS (4K): up to 280000

         Random write IOPS (4K): up to 38000

         Note: Performance varies depending on server configuration, drivers, and workload. Its read performance is significantly better than its write performance, which is in line with its read intensive positioning.

          Durability and reliability:

          DWPD (Daily Whole Disk Write Count): Typically 0.7 (within the 5-year warranty period). This means that during the 5-year warranty period, 920GB * 0.7=~644GB of data can be written daily. This defines its suitability for applications where the write volume is not extremely large.

          TBW (maximum number of bytes that can be written): 1.17 Petabytes (PB)

Mean Time Between Failures (MTBF): 2000000 hours

NAND flash type: 3D TLC NAND

          Providing a good balance between cost, capacity, and durability, it is a common choice for modern enterprise grade SSDs.

2. Advanced features

          Enterprise level features: Supports advanced functions such as end-to-end data protection, power outage protection (PLP), etc., ensuring the integrity of data during transmission and the security in case of unexpected power outages.

          HPE customized integration: Pre flashing HPE exclusive firmware, deeply integrated with the intelligent array controller and iLO management engine of HPE ProLiant servers (such as Gen9, Gen10), achieving out of the box compatibility, simplified deployment, and monitoring.

          Balanced Wear Algorithm: By using advanced controller algorithms, it ensures that all NAND flash memory units are used evenly, extending the overall lifespan of the hard drive.

3. Typical application scenarios

          This NVMe SSD is optimized for the following read intensive and enterprise wide applications:

          Server operating system boot driver: extremely fast system startup and application loading speed.

          Universal Enterprise Storage: Provides high-speed storage for file servers, mail servers, web servers, and more.

         Read intensive cache: As a read cache layer for software defined storage (SDS) or databases, it accelerates frequently accessed data.

         Virtualization platform: used to host virtual machines, improve virtual machine density and response speed (especially suitable for scenarios with multiple read operations).

          Data Analysis and Business Intelligence (BI): Accelerating database queries and report generation.

4. Compatibility

         Server platform: HPE servers with NVMe enabled backplanes are required.

         For example, specific models in the HPE ProLiant Gen9 and Gen10 series (such as DL360 Gen9/10, DL380 Gen9/10) can be supported after configuring NVMe backplane options.