Chapter 3: About Your RAID Controller 28

About the Adaptec RAID 5445Z

The Adaptec RAID 5445Z is a SAS RAID controller with these features:

Drive Activity LED connectors for CN0/CN1

Drive Activity LEDs for CN0/CN1

I2C connectors for CN0/CN1

Ext. Alarm connector

Aggregate Activity

Mode 0 Flash connector

Diagnostic LEDs

CN1

1 external mini-SAS connector

PCIe x8 connector

Mounting bracket

Internal mini-SAS connector CN0

ZMM-100CC Supercapacitor connector

ZMM-100DB

Daughterboard

Form Factor

Low-profile MD2

Bus compatibility

PCIe 1.1

PCIe bus width

x8

Data transfer rate

3 Gb/s per port

Phys (Unified Serial Ports)

8

Standard cache

512 MB DDR2

Connectors

1 mini-SAS x4 (SFF-8087) internal

 

1 mini-SAS x4 (SFF-8088) external

Maximum number of disk drives

8 direct-attached (or up to 256 with expanders)

Enclosure Support

I2C and SGPIO (Serial General Purpose Input/Output)

Onboard speaker

Yes

Zero Maintenance Cache

Adaptec ZMM-100DB daughterboard (pre-installed),

Protection Module

Adaptec ZMM-100CC supercapacitor module (user

 

installed—see page 48)

 

 

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Adaptec 2268300R manual About the Adaptec RAID 5445Z

2268300R specifications

The Adaptec 2268300R is a robust and versatile RAID controller designed for enterprise-level storage needs. Ideal for environments demanding high availability, performance, and data protection, this controller provides organizations with the ability to manage large volumes of data while ensuring reliability.

One of the standout features of the Adaptec 2268300R is its support for various RAID levels, including RAID 0, 1, 5, 6, 10, 50, and 60. This flexibility allows users to choose the configuration that best suits their performance and redundancy requirements. By combining multiple drives into a single logical unit, the controller enhances data throughput and ensures data safety through redundancy.

The controller is built on a SATA and SAS architecture, allowing it to connect directly to both SATA and SAS drives. This broad compatibility is crucial for businesses looking to leverage existing hardware while also scaling their storage infrastructure. The Adaptec 2268300R is equipped with a powerful onboard processor that significantly boosts performance, driving down latency and increasing transaction speeds across connected drives.

Additionally, the Adaptec 2268300R features cache memory with a non-volatile option that enhances data integrity during unexpected power outages. This feature is essential for mission-critical applications where data loss can have severe repercussions. Moreover, the controller supports advanced caching algorithms, optimizing write and read performance to meet the demands of modern applications.

The controller also integrates seamlessly with Adaptec's management suite, providing users with a graphical interface to monitor and manage their storage solutions effectively. The web-based management tool allows administrators to configure RAID settings, monitor disk health, and perform troubleshooting, all from a centralized platform.

Security is another critical aspect of the Adaptec 2268300R. The controller comes equipped with encryption capabilities, enabling users to secure sensitive data at rest—protecting information from unauthorized access. Furthermore, with features like hot-spare drive support and automatic rebuilds, the controller assures continued operation even in the event of a disk failure.

In conclusion, the Adaptec 2268300R is a powerful RAID controller that delivers significant advantages in performance, flexibility, and reliability. With its support for multiple RAID levels, SAS and SATA compatibility, robust caching, and advanced management tools, it stands out as an ideal solution for businesses needing to safeguard and manage their vast data assets efficiently. Whether for enhancing data security or optimizing storage performance, the Adaptec 2268300R remains a sound choice in today’s data-driven landscape.