The Adaptec RAID 51645 is equipped with industry-leading 1.2GHz DualCore RAID on Chip (ROC), the latest x8 PCI-Express connectivity, and 512MB of DDR2 cache to deliver over 250,000 IO per second and 1.2GB/s. With sixteen internal ports and four external ports, this is a high port count controller with the flexibility to connect up to 256 SATA/SAS disk drives through SAS expanders in a configuration tailored to your business needs. The Adaptec RAID 51645 features Adaptec RAID Code (ARC) with RAID levels 0, 1, 1E, 5, 5EE, 6, 10, 50, 60, JBOD, as well as Copyback Hot Spare.
Note: Only drivers that are not included or embedded within a supported operating system are listed below. To see a complete list of supported operating systems see the Product Specifications
Intelligent Power Management
512MB of DDR2 memory
Bus System Interface Type
8-lane PCIe
1 external (SFF-8088) Mini SAS
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
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
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 @ 3.3V1.8 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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