Abstract
The Lenovo Storage D1212 and D1224 Disk Expansion Enclosures offer 12 Gbps SAS direct-attached storage expansion capabilities that are designed to provide simplicity, speed, scalability, security, and high availability for small to large businesses. The D1212 and D1224 deliver enterprise-class storage technology in a cost-effective solution with flexible drive configurations and RAID or JBOD (non-RAID) host connectivity.

This product guide provides essential pre-sales information to understand the structure of the D1212 and D1224 drive enclosure offerings, their key features and specifications, components and options, and configuration guidelines.

This guide is intended for technical specialists, sales specialists, sales engineers, IT architects, and other IT professionals who want to learn more about the D1212 and D1224 and consider their use in IT solutions.

Introduction
The Lenovo Storage D1212 and D1224 Disk Expansion Enclosures offer 12 Gbps SAS direct-attached storage expansion capabilities that are designed to provide simplicity, speed, scalability, security, and high availability for small to large businesses. The D1212 and D1224 deliver enterprise-class storage technology in a cost-effective solution with flexible drive configurations and RAID or JBOD (non-RAID) host connectivity.

The D1212 and D1224 expansion units are designed for a wide range of workloads, including big data and analytics, video surveillance, media streaming, private clouds, file and print serving, e-mail and collaboration, and databases. They also well-suited for software defined storage (SDS) and Windows Server solutions with Storage Spaces.

Did you know?
The D1212 and D1224 expansion enclosures offer flexible drive configurations with the choice of 2.5-inch and 3.5-inch drive form factors, 10K or 15K rpm SAS and 7.2K rpm NL SAS hard disk drives (HDDs) and self-encrypting drives (SEDs), and SAS solid-state drives (SSDs).

With support for daisy chaining, the D1212 can be scaled up to 1.34 PB for capacity-optimized configurations with HDDs, and the D1224 can be scaled up to 192 drives for performance-optimized configurations.

The D1212 and D1224 expansion units support 12 Gbps SAS connectivity, which doubles the data transfer rate compared to 6 Gb SAS solutions to maximize performance of storage I/O-intensive applications.

Specification

Product
Product id	579027
Brand	Lenovo
Partnr	4587E31
EAN/UPC code	889488454235
Warranty (months)	3 years
Storage
Number of storage drives supported	24
Storage drive size	2.5 "
Supported storage drive interfaces	SAS-3
RAID levels	0, 1, 5, 10, 50
Design
Product colour	Black
Weight & dimensions
Width	443 mm
Depth	630 mm
Height	88 mm
Weight	24000 g
Operational conditions
Operating temperature (T-T)	5 - 40 °C
Operating relative humidity (H-H)	20 - 80 procent
Storage temperature (T-T)	-40 - 60 °C
Storage relative humidity (H-H)	5 - 100 procent