HP P420 User Manual

The HP Smart Array P420 Controller is a low profile, 6 Gb/s, PCIe 3.0, Serial Attached SCSI (SAS) RAID controller that provides enterprise
class, storage performance and data protection for select HP ProLiant Gen8 rack servers and tower servers.
It features eight internal SAS ports and delivers increased server uptime by providing advanced storage functionality, including online
RAID level migration (between any RAID levels) with flash back write cache, global online spare, and pre-failure warning. Data
Compatibility among all models of Smart Array controllers allows simple and easy migration at any time when needs for higher
performance, capacity, and availability increase. Even new generations of Smart Array controllers can understand the data format of
previous generations of Smart Array controllers.
What's New
HP Smart Array Advanced Pack 2.0 features are now part of the base features for the HP Smart Array P420 Controller at no
additional cost
Models
HP Smart Array P420
Controller
HP Smart Array P420/1GB FBWC 6Gb 2-ports Int SAS Controller 631670-B21
HP Smart Array P420/2GB FBWC 6Gb 2-ports Int SAS Controller 631671-B21
QuickSpecs
HP Smart Array P420 Controller
Overview
DA - 14228 North America — Version 13 — September 13, 2013 Page 1

HP P420 Specifications

General

Interface	PCIe 3.0 x8
RAID Levels	0, 1, 5, 6, 10, 50, 60
Channel Qty	8
Storage Interface	SAS/SATA
Form Factor	Low Profile
Controller Type	RAID
Data Transfer Rate	6 Gb/s
Supported Devices	SAS, SATA
Cache Memory	512MB or 1GB FBWC (Flash Backed Write Cache)
Operating Temperature	10°C to 55°C

Summary

Standard Features

Key Features

Details the specific technical capabilities and functionalities of the P420 controller.

Management Features

Performance

Outlines the performance metrics and specifications of the controller.

Capacity

Specifies the maximum storage capacity supported by the controller.

Availability

Fault Prevention

Details mechanisms for detecting and preventing potential drive failures.

Fault Tolerance

Explains the supported RAID levels for data redundancy and fault tolerance.

Fault Recovery

HP SSD SmartPath

HP SmartCache

Explains the licensed feature for caching frequently accessed data onto SSDs.

Compatibility

Operating Systems

Specifies the operating systems for which the controller is certified.

Software Suite

Related Options

HP Optional Upgrades

HP Hard Drives

Details compatible SAS and SATA hard drives for the controller.

HP SSD SATA Drives

Lists compatible SATA Solid State Drives categorized by endurance and form factor.

HP SSD SAS Drives

Lists compatible SAS Solid State Drives categorized by performance and form factor.

HP SmartCache Licensing

Technical Specifications

Interface and Transfer Rate

Cache Memory Speed

Server Interface

SAS Speed

Cache Memory

Logical Drives Supported

RAID Support

Lists the RAID levels and configurations supported by the controller.