BRAND NEW. FULL THREE-YEAR HP WARRANTY INCLUDED. AVAILABLE FROM CHICAGO COMPUTER SUPPLY. Overview The HP StorageWorks MSA70 Modular Smart Array Enclosure (418800-B21) is a high-density 2U direct-attached storage enclosure designed to provide scalable enterprise storage expansion for HP ProLiant server environments. Supporting up to 25 hot-swappable 2.5-inch SAS or SATA drives, the MSA70 delivers excellent storage density, flexibility, and upgradeability for virtualization, backup, archive, and business-critical workloads. Built with Serial Attached SCSI (SAS) architecture, the MSA70 enables organizations to expand storage capacity efficiently while maintaining compatibility with a broad range of HP ProLiant servers. Its modular design allows businesses to scale storage gradually instead of making large upfront infrastructure investments. Key Features Supports 25 hot-swappable 2.5-inch drives Compatible with SAS and SATA drives High-density 2U rack-mountable enclosure Direct-attached SAS storage expansion Scalable modular storage architecture Compatible with HP ProLiant servers Enterprise-grade storage reliability Flexible cascading expansion support Technical Specifications Brand: HP Model: StorageWorks MSA70 Part Number: 418800-B21 Product Type: Modular Smart Array Storage Enclosure Storage Architecture Direct-attached storage enclosure SAS-based storage expansion platform Rack-mountable 2U form factor Drive Support Supports up to 25 drives Supports 2.5-inch SFF drives Compatible with SAS and SATA drives Hot-swappable drive support Storage Capacity Maximum supported storage capacity: 7.5 TB Capacity depends on installed drive configuration Connectivity Serial Attached SCSI (SAS) interface x4 SAS expansion support Expansion Support Supports 1+1 cascading from a single x4 SAS port Physical Specifications Form Factor: Rack-mountable Rack Height: 2U Width: 44.81 cm Depth: 59.06 cm Height: 8.81 cm Compatibility Compatible with a broad range of HP ProLiant servers including: HP ProLiant DL Series DL120 G6 / G7 DL160 G6 DL165 G5 / G6 DL170h G6 DL180 G5 / G6 DL185 G5 DL320 G5p / G6 DL360 G5 / G6 / G7 DL370 G6 DL380 G5 / G6 DL385 G5 / G6 / G7 DL580 G5 / G7 DL585 G6 / G7 DL785 G5 / G6 HP ProLiant ML Series ML310 G5 ML330 G6 ML350 G5 / G6 ML370 G5 / G6 Use Cases Enterprise storage expansion Virtualization storage environments Backup and archive storage High-density direct-attached storage SMB and departmental storage growth Legacy HP infrastructure support SAS/SATA storage deployments Scalable business storage environments Why Choose the HP StorageWorks MSA70 418800-B21 High-density 25-bay SFF architecture Supports both SAS and SATA drive flexibility Hot-swappable drives simplify maintenance and upgrades Compatible with many HP ProLiant server platforms Modular expansion allows gradual storage growth Rack-mountable 2U design maximizes data center efficiency Enterprise-grade reliability and availability Brand new with full three-year HP warranty coverage FAQs What is the HP StorageWorks MSA70 used for? It is used for expanding storage capacity in HP ProLiant server environments. How many drives does the enclosure support? The enclosure supports up to 25 hot-swappable 2.5-inch drives. Does the enclosure support both SAS and SATA drives? Yes. It supports both SAS and SATA drive configurations. Is this a standalone SAN storage array? No. This is a direct-attached storage enclosure requiring compatible server and RAID controller infrastructure. What server platforms are supported? The enclosure supports a wide range of HP ProLiant G5, G6, and G7 DL and ML series servers.