PowerVault ME4 Series                                                                 

ME4012

Chassis Overview

Chassis format

All-in-one (single/dual controllers, internal drive bays, networking) with expansion options

Rack size

2U

Controllers

2 hot-swappable per chassis (dual active)
Single/dual controller support for 2U

Processors

Intel 2-core, 2.2GHz

System memory

8GB per controller

Expansion Capacity

Min/Max drive count

2/264

Max raw capacity

3.1PB (with ME484 expansion)

NAS Support

Supported with NX Series Windows NAS appliance

Storage media

SAS and NL-SAS drives; different drive types, transfer rates, rotational speeds can be mixed in the same system:
NLSAS (7.2K 3.5”): 4TB, 8TB, 10TB, 12TB, 12TB SED
NLSAS (7.2K 2.5”): 2TB, 2TB SED
SAS (10K 2.5”): 1.2TB, 1.8TB, 2.4TB, 2.4TB SED
SAS (15K 2.5”): 900GB, 900GB SED
SSD: 480GB, 960GB, 1.92TB, 1.92TB SED
SDD and HDD: FIPS-certified SEDs

Network and Expansion I/O

Host interface

FC, iSCSI, SAS (supports simultaneous multiprotocol FC/iSCSI)

Max 16Gb FC ports

8 per array (support auto-negotiate to 8Gb)

Max 10Gb iSCSI ports

8 SFP+ or BaseT ports per array (BaseT only support auto negotiate to 1Gb)

Max 12Gb SAS ports

8 12Gb SAS ports

Max multi-protocol ports

4 ports 16Gb FC SFP+
4 ports 10Gb iSCSI SFP+

Max management ports

2 per array (1Gb BASE-T)

Disk expansion protocol

12Gb SAS

Disk interface expansion ports

2 12Gb SAS (wide-Port) per array (1 port per controller)
Up to 9 2U expansion enclosures per 2U base array
Up to 3 5U expansion enclosures per 2U base array
Up to 3 5U expansion enclosures per 5U base array

Functional

Array configurations

All-flash, hybrid or all HDD arrays

Storage format

Data Optimization

Auto-tiering

Up to 3 primary (media-based) tiers (2 level tiering supported)

RAID support

RAID 0, 1, 5, 6, 10, 50 or Adapt; any combination of RAID levels can exist in single array

Adapt

Distributed erasure coding that reduces rebuild times when drive failures occur

Thin provisioning

Active by default on all volumes, operates at full performance across all features

Snapshots

1024 maximum snapshots per array

Data Protection, Disaster Recovery, Security