6Gb/s SAS/SATA RAID HBA > RocketRAID 4500 Series  
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Feature Specifications
Onboard RAID Processor RAID-On-Chip onboard
Onboard Cache 512MB DDR 3 Cache memory with ECC protection
Optional BBU Module Yes
Port Type

RocketRAID 4520SGL - 2x SFF-8087 (Mini-SAS)
RocketRAID 4522SGL - 2x SFF-8088 (Mini-SAS

Note: RocketRAID 4500 Series external controllers were designed for use with HighPoint RocketStor 641x Series drive enclosures .

Number of Channel / Port 8x 6Gb/s SAS/SATA Channels
Number of Devices 8x SAS/SATA Hard Drive/SSD
Note: Desktop HDD's are not supported. Please click Here for the full HDD Compatibility List.
Bus Interface PCIe 2.0 x8
Form Factor Low Profile
Dimensions 6.575"( L ) x 2.667"( H )
Weight RocketRAID 4520SGL - 0.25lbs.
RocketRAID 4522SGL - 0.28lbs.
RAID Mode 0, 1, 5, 6, 10, 50 and JBOD / Non-RAID Mode
Note: Bootable RAID 6 is not supported
Operating System Windows 7 and later
Windows Server 2008 and later
Linux: RedHat Enterprise, Open SuSE, Fedora Core, Debian, Ubuntu
Linux Driver embedded into Kernel 3.9.4 and later
macOS 10.6 and later
Driver embedded into macOS 10.9 and later
Advanced RAID Features
Advanced RAID Feature Configurable RAID Block Size up to 1MB
Flash ROM for Upgradeable Firmware
BIOS PnP (plug and play) and BBS (BIOS boot specification) support
Bootable RAID Array
Battery Backup unit retains data when power outage occurs
NVRAM with Write Journaling enhances RAID integrity
Multiple RAID Partitions supported
Disk Format compatible: 512, 512e, 4Kn
Larger than 2 TB Drive and RAID Array support
Native Command Queuing
Multiple RAID Adapters supported
DV Mode Technology
Storage Health Inspector
Redundant RAID Configurations
Online Array Roaming
Online RAID Level Migration (ORLM)
Online Capacity Expansion (OCE)
RAID Initialization Background/Foreground/Quick
Global Hot Spare Disk support
Automatic and configurable RAID Rebuilding Priority
Spin down Massive Arrays of Idle Disks support
Staggered Drive Spin Up
Write Back and Write Through
Software Compatibility:
Time Machine Features
Backup & Restore
RAID Monitoring and Management Suite
Operating Environment
Work Temp +5°C ~+ 55°C
Storage Temp -20°C ~ +80°C
Relative Humidity 5% ~ 60% non condensing
Operating Voltage PCI-e: 12V/3.3V Power: 11W
MTBF (Mean Time Before Failure) 920,585 Hours
Certification Approval CE, FCC, RoHS, REACH, WEEE
Kit Contents
Kit Contents RocketRAID 4520SGL RocketRAID 4522SGL
1x RocketRAID 4520SGL Controller card 1x RocketRAID 4522SGL Controller card
1x Low Profile Bracket 1x Low Profile Bracket
1x Quick Installation Guide 1x Quick Installation Guide
Optional Accessories

INT-MS-1M4SC (for RocketRAID 4520SGL) - Internal Mini-SAS (SFF-8087) to SATA Cable. Each cable supports up to 4 drives via industry standard SATA connectors. The Int-MS-1M4S was designed for use with the RocketRAID 4520SGL HBA.

EXT-MS-1MMS (for RocketRAID 4522SGL) -- The Ext-MS-1MMS is a high-speed cable that supports a data bandwidth up to 4x 6Gb/s between the RocketRAID 4522 RAID controller installed in the host system, and the drive enclosure via SFF-8088 ports. Each cable can connect up to 4x Hard Drives or SSDs.

RocketStor 6414S - The RocketStor 6414S is a 4-Bay JBOD enclosure designed for use with the RocketRAID 4522 to house up to 4x 2.5" or 3.5" Hard Drives or SSDs. Two RocketStor 6414S can be used with each RocketRAID 4522SGL HBA.

RocketStor 6418S - The RocketStor 6418S is an 8-Bay JBOD enclosure designed for use with the RocketRAID 4522SGL to house up to 8x 2.5" or 3.5" Hard Drives or SSDs.

HPTBBU-05 - Battery Backup Unit designed for use with RocketRAID 4500 Series HBA's. Battery Backup Units grant additional layers of data protection in the case of critical system faults and hardware failures.