EMC Unity 400

Warranty: up to 12 months

The Dell EMC Unity 400 is a hybrid storage system (all-flash + HDD) for mid-sized businesses, with support for block (iSCSI/FC) and file (NFS/SMB) protocols. Raw capacity up to 4PB, simplified management via Unisphere and advanced features such as local/remote snapshots and QoS. Discontinued by the PowerStore line, it remains used in existing infrastructures.

SKU Dell EMC Unity 400 Category Dell EMC Unity Storage, dell emc Brand: DELL EMC

Dell EMC Unity 400 Hybrid Storage – With warranty and technical service for installation or support.

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Dell EMC Unity 400 Hybrid – Simplicity and Efficiency in a Compact Design

Overview

The Dell EMC Unity 400 Hybrid is the ideal solution for those seeking advanced features and simplicity in a compact form factor. Designed to deliver the best performance at a cost-effective price, it combines the speed of flash with the cost-effectiveness of disk.

Main Features

  • Cabinet Flexibility: Supports 12×3.5” and 25×2.5” disk enclosures for hybrid models, with flash models using only 25×2.5”.
  • Storage Processors: Each unit has two processors (SPs) with configurable ports and module slots, allowing high customization.

Performance and Capacity

  • FAST and FAST VP Technology: Optimizes tiered storage and high-frequency data access, maximizing efficiency.
  • Maximum Gross Capacity: Up to 4PB, supporting SAS, NL-SAS and Flash drives.
  • RAID Options: RAID 1/0, 5 and 6, with a maximum memory of 96GB.

Connectivity

  • Versatile Protocols: Support for File, Block (FC, iSCSI & FCoE) and Unified, with CNA ports configurable for Ethernet or Fibre Channel.
  • I/O Modules: Multiple expansion options, such as 10Gb/s optical and 12-Gb/s SAS modules.

Physical Specifications

  • DPE of 12 Units: 8,64 cm x 44,45 cm x 68,58 cm, 29 kg.
  • DPE of 25 Units: 8,64 cm x 44,45 cm x 61,39 cm, 20 kg.

Storage Processor (SP)

  • High performance: Powered by 5-core Intel Xeon E2630-8 processors, each SP includes 48GB of DDR4 memory, integrated CNA ports, and PCI 3.0 I/O slots.

CNA Doors

  • Flexible Configuration: Ports that support Ethernet (1/10 Gb IP/iSCSI) and Fibre Channel (4/8/16 Gb), with unified configuration for all ports.

I / O modules

  • Simplified Expansion: Two slots per SP support SAS, Fibre Channel, and Ethernet modules, making it easy to adapt to your infrastructure needs.

Food

  • Standby Source: Compatible with AC 100-240 VAC and DC -39 to -72 V, ensuring continuous and safe operation.

Disk Array Enclosure (DAE)

  • Compatibility: Supports up to 15 DAEs or 250 drives, with 2.5-inch and 3.5-inch options for FLASH, SAS and NL-SAS drives.

FAST Cache and FAST VP Features

  • FAST Cache: Allows the use of Flash drives as high-capacity secondary cache, optimized for hybrid environments.
  • FAST VP: Accelerates performance by dynamically moving data to the appropriate drive technology based on access patterns.

Conclusion

Dell EMC Unity 400 Hybrid is a complete solution for businesses looking for simplicity, efficiency and high performance. For more information, see the official Dell EMC documentation.

Note: This page was last updated on March 30, 2025.

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