Adaptec Serial ATA II RAID 2420SA AAR2420SAKIT Datenbogen

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AAR2420SAKIT
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Serial ATA (SATA) is a point-to-point 
connection that delivers full throughput to
each storage device by allowing multiple
ports to be managed with a single controller.
Adaptec SATA II technology delivers data
transfer rates to 3Gb/s while still supporting
1.5Gb/s (SATA).
Adaptec Serial ATA II RAID 2420SA
The Adaptec 2420SA is the second-generation
4-port Adaptec Serial ATA RAID controller.
Utilizing the Adaptec AIC-8210 SATA RAID-
on-Chip (ROC) ASIC, running Adaptec RAID
Code (ARC), the Adaptec 2420SA provides
the industry’s most advanced feature set and
highest level of data protection.
Advanced hardware features
The Adaptec 2420SA connects to a PCI-X 
64-bit/133 MHz host interface, and offers
connectivity for up to four SATA or SATA II
hard disk drives. In addition to the integrated
ROC ASIC, the card provides 128MB of
ECC-protected DDR DRAM (256MB 
optional) and an optional battery unit. SATA
offers point-to-point connectivity, which
provides independent connectivity for all the
drives, so a single drive failure cannot cause
additional failures.
The industry’s most widely deployed RAID code
Adaptec RAID Code (ARC) includes the 
industry’s most advanced feature set, with 
standard features RAID 0, 1, 5, 10, RAID Level
Migration, and Online Capacity Expansion.
ARC supports arrays up to 512TB, for full use
of higher capacity SATA drives. Only Adaptec
offers Optimized Disk Utilization, the ability to
create multiple LUNs per disk and use all the
space on dissimilar drive sizes.
Adaptec Advanced Data Protection Suite
The Adaptec Advanced Data Protection Suite
includes a feature set that offers the industry’s
most complete data protection right out of
the box. New data protection includes Dual
Drive Failure Protection (RAID 6 and 60),
survival of two drive failures; Striped Mirror
(RAID 1E), mirroring over an odd number
of drives; and Hot Space (RAID 5EE) which
allows a hot spare while using all drives for
data. Additionally, Copyback Hot Spare lets
administrators designate a drive location as a
hot spare. After a drive replacement, the 
controller migrates back to the original 
configuration. Optional Snapshot Backup
creates point-in-time copies of an array for
better data backup.
Why Adaptec Serial ATA II RAID?
Adaptec makes it easy to cost-effectively
deploy, manage, scale, and protect storage.
Our products and technology are based on a
proven RAID core; advanced ASIC designs;
tested compatibility with operating systems,
motherboards, applications, and drives;
RAID education; and global support.
Easy-to-use storage management
The intuitive Adaptec Storage Manager™
(ASM) tool centralizes management of all
Adaptec RAID products. ASM enables
remote RAID management, monitoring,
and configuration through secure, encrypted
communication. Pop-up tips and online help
simplify RAID array creation and management.
Compatibility, reliability, and support
Adaptec has been delivering storage and 
I/O solutions for over 24 years, and is the
undisputed RAID leader – no technology is
more proven. The Adaptec 2420SA is tested
thoroughly for third-party compatibility, and
backed by a 3-year warranty and legendary
Adaptec technical support.
S E R I A L   A T A   I I   R A I D
D A T A   S H E E T
Adaptec
®
Serial ATA II RAID
2420SA
Highly reliable 4-port SATA II RAID controller provides high 
sustained read and write levels for servers and workstations
Product Highlights
Four ports support up to four
Serial ATA or Serial ATA II hard
disk drives 
PCI-X 64-bit/133 MHz host
interface (3.3V only) 
SATA II compliant
Native command queuing (NCQ)
3Gb/s per port
SES2 enclosure management 
Adaptec AIC-8210 RAID-on-
Chip ASIC supporting 
RAID 0, 1, 5, 10
Adaptec Advanced Data
Protection Suite offers RAID 6,
60, 1E, 5EE, Copyback Hot Spare
and optional Snapshot Backup
128MB ECC DDR 
cache memory 
Optional battery backup module
Online applications extend
feature set: Online Capacity
Expansion, RAID Level
Migration, Optimized Disk
Utilization
RoHS Compliant  
Operating system support for
Windows, Linux, Netware, and
FreeBSD