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Adaptec RAID 51645
The premium Series 5 family of Unified Serial controllers outperforms the competition by as much as 5 times
20-port (16 internal/4 external), half length/full height, PCI-Express (PCIe) Unified Serial RAID controller with Intelligent Power Management delivers exceptional performance, advanced data protection, and maximum scalability for enterprise-class applications
Adaptec RAID 51645
Product DescriptionTechnical SpecificationsPurchase Options
Product DescriptionTechnical SpecificationsPurchase Options
Product DescriptionTechnical SpecificationsPurchase Options

The Series 5 family of high-performance Adaptec Unified Serial™ (SATA/SAS) RAID controllers offers both high I/O transaction and high bandwidth processing for use with cost-effective, high-capacity SATA drives or high-performance SAS drives.

The Adaptec RAID 51645 utilizes industry-leading dual core RAID on Chip (ROC), 512MB of DDR2 write cache, and connectivity with the latest x8 PCI-Express to deliver over 250,000 I/Os 1.2GBs. Using SAS expanders, it can connect up to 256 SATA/SAS devices.

The Adaptec RAID 51645 supports a broad range of operating systems, compatibility with more than 300 third-party devices, and full integration with Adaptec Storage Manager™ for centralized management of all Adaptec RAID controllers on the network.

Intelligent Power Management - Reduce Power by up to 70%
The power required by disks is a primary ongoing storage cost. Full power is maintained to every disk whether it is actively being used or not, which also increases cooling costs. Adaptec Intelligent Power Management slashes power and cooling costs by spinning down idle disks and providing a lower power mode for active disks.
 Features and Benefits
 Highlights
Intelligent Power Management
20 (16 internal/4 external) ports
Half-length/full height form factor
1.2GHz Dual Core RAID on Chip (ROC) processor
8-Lane PCI-Express bus interface
0, 1, 1E, 5, 5EE, 6, 10, 50, 60, JBOD RAID levels
Support for Hybrid SSD/HDD RAID 1, 10
512MB DDR2 Cache
4 SFF-8087 (int.); 1 SFF-8088 (ext.) connectors
Up to 256 SATA or SAS devices using SAS expanders
Adaptec Storage Manager, Copyback Hot Spare management features
Battery backup (optional)
RoHS compliant
3 year warranty
Complete List of Supported Operating Systems
 
Supported Operating Systems
Microsoft Windows
Red Hat Linux
SUSE Linux
SCO OpenServer
UnixWare
Sun Solaris
FreeBSD
VMware ESX

For a detailed list see ASK Answer ID 15317
Benefits
  Performance Unified Serial RAID controller supports both SATA and SAS devices. Ideal for bandwidth intensive storage applications; NAS, OLTP servers, web servers, and digital surveillance.
Key Differentiators
 

Intelligent Power Management
Customer Needs
  High I/O transaction and high bandwidth processing.
Form Factor
  ½ Length/Full Height
Cache Memory

512MB of DDR2 memory
RAID Levels
RAID levels 0, 1, 1E, 5, 5EE, 6, 10, 50 and 60
Key RAID Features
• Supports 20 direct-attached or up to 256 SATA or SAS disk 
  drives using SAS expanders
• RAID levels 0, 1, 1E, 5, 5EE, 6, 10, 50 and 60
• Quick initialization
• Online Capacity Expansion
• Copyback Hot Spare
• Dynamic caching algorithm
• Native Command Queuing (NCQ)
• Background initialization
• Hot-plug drive support
• RAID Level Migration 
• Hot spares – global, dedicated, and pooled
• Automatic/manual rebuild of hot spares
• SAF-TE enclosure management
• Configurable stripe size
• S.M.A.R.T. support
• Up to 512TB array sizes
• Multiple arrays per disk drive
• Bad stripe table
• Dynamic sector repair
• Staggered drive spin-up
• Bootable array support
• Optimized Disk Utilization
Bus System Interface Type

8-lane PCIe
External Connectors

1 external (SFF-8088) Mini SAS

Internal Connectors
4 internal (SFF-8087) Mini SAS
Package Contents
• Adaptec RAID 51645 Controller
• Quick Installation Guide (English/French/German/Italian/Spanish)
• Software and documentation CDs
• Cables: four internal Mini SAS x4 to (4x) SATA fanout cables w/ sideband (2247000-R), 0.5 meter
Warranty
3 years

Management Utilities

Adaptec Storage Manager™ (ASM)
• Java-based GUI Management Utility
• Remote configuration, monitoring & notification
• ASM OS Support: Windows, Linux,  SCO, Solaris, FreeBSD
• Microsoft VDS Support
• SNMP, SMTP
• Remote firmware updates

ARCCONF
• Command Line Interface

Adaptec BIOS Utility (ACU)
• BIOS level configuration utility
• Flashable BIOS support

Physical Size

4.6” H x 6.43” L (116mm x 164mm)

Operating Temperature

0°C to 55°C* (with 200 LFM airflow; without battery)
0°C to 40°C* (with 200 LFM airflow; with battery)

Note: This Adaptec card contains a powerful RAID processor which requires adequate airflow to operate reliably. Please install this card only into server or PC chassis with recommended airflow (200 LFM).

* Ambient temperature measured 1" away from the RAID processor

Operating Voltage

0.47 amp @ 3.3V
1.8 amp @ 12V

Regulatory Certification

CE, FCC, UL,  C-tick, VCCI

Mean Time Before Failure (MTBF)

873,402 hours at 40 degree C.
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