Key features
Key features and benefits provided by the D1212 and D1224 storage expansion enclosures include:
Versatile, scalable storage expansion with dual Environmental service Module (ESM) configurations
for high availability and performance
Flexible host connectivity to match diverse client needs for direct attach storage with support for 12
Gb SAS RAID adapters for advanced data protection or 12 Gb SAS Host Bus Adapter (HBA) for
maximum JBOD performance
12 Gb SAS drive-side connectivity with support for 12x 3.5-inch large form factor (LFF) drives in the
D1212 enclosure or 24x 2.5-inch small form factor (SFF) drives in the D1224 enclosure
Scalability of up to 96 LFF or 192 SFF drives per RAID adapter or HBA with the attachment of up to
eight D1212 or D1224 daisy-chained expansion enclosures, or a combination of both, to satisfy
growing needs for storage capacity and performance
Flexibility in storing data on high performance SAS SSDs, performance-optimized enterprise SAS
HDDs, or capacity-optimized enterprise NL SAS HDDs; mixing and matching drive types and form
factors on a single RAID adapter or HBA to perfectly meet performance and capacity requirements
for various workloads
Self-encrypting drives with a supported RAID adapter allow clients to secure their sensitive data and
to comply with various security regulations when required
Support multiple host attachments and SAS zoning for storage partitioning
The D1212 and D1224 are designed to support the complete range of data storage requirements, from
highly utilized applications to high-capacity, low usage applications.
The following 3.5-inch SAS drives are supported by the D1212:
High performance solid-state drives (3 drive writes per day [DWD] and 10 DWD): 400 GB
Performance-optimized, enterprise class disk drives: 900 GB 10K rpm
High-capacity, archival-class nearline disk drives: 2 TB, 4 TB, 6 TB, 8 TB, and 10 TB 7.2K rpm
High-capacity, archival-class nearline self-encrypting disk drives: 4 TB 7.2K rpm
The following 2.5-inch SAS drives are supported by the D1224:
High performance solid-state drives (3 DWD and 10 DWD): 400 GB, 800 GB, and 1.6 TB
High performance self-encrypting solid-state drives (10 DWD): 800 GB
Capacity optimized solid-state drives (3 DWD): 3.84 TB
Capacity optimized solid-state drives (1 DWD): 3.84 TB and 7.68 TB
Performance-optimized, enterprise class disk drives
300 GB, 600 GB, and 900 GB 15K rpm
600 GB, 900 GB, 1.2 TB, and 1.8 TB 10K rpm
Performance-optimized, enterprise class self-encrypting disk drives: 1.2 TB 10K rpm
High-capacity, archival-class nearline disk drives: 1 TB and 2 TB 7.2K rpm
Additional drives and expansion units are designed to be dynamically added with virtually no downtime
(operating system dependent), helping to quickly and seamlessly respond to growing capacity demands.
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