Reference Guide

PowerVault NX Series NAS Systems
Dell EMC offers the following NX systems to support different business needs:
● NX3340: Large businesses
● NX3240: Small/midsize businesses
● NX440: Remote/branch offices
The following tables compare the NX systems. Detailed configurations for each system are described in System configurations
and documents.
NX3240 NX3340 NX440
Leveraged Server Platform PowerEdge R740xd PowerEdge R640 PowerEdge R340
Windows Storage Server
2016 Support
Standard Standard Standard or Workgroup
Form Factor 2U rack mount 1U rack mount 1U rack mount
Type of Data Supported File and Block (Microsoft
iSCSI target)
File and Block (uses shared
storage backend)
File and Block (Microsoft iSCSI
target)
Processor Single and Dual Dual Single
Memory 16 GB or 64 GB 32 GB or 64 GB 8 GB or 16 GB
Number of Internal Data
Drives
12 front-accessible, hot-
swap 3.5 in. drives and
four 3.5 in. drives in mid-
bay. Drives in the mid-bay
are not configured for RAID
from the factory.
Two 2.5 in. rear accessible
hot-swap drives for the
operating system.
Two or four front-
accessible, hot-swap, 2.5
in. drives for the operating
system.
The chassis has eight drive
bays, but only two or four
operating system drives are
configured as-shipped from
the factory.
Four 3.5 in. drives identical in
capacity and type.
Size/Type of Data Drives
Supported
SATA, NL-SAS, SAS Attached to external block
storage
SATA, NL-SAS
External Tape Drive
Support
Yes, see NX3240 options Yes, see NX3340 options No
External Scalability Can be expanded to
support external, but is not
preconfigured.
Each platform in clustered
configuration.
Can be expanded to support external,
but is not preconfigured.
iSCSI Target Yes Yes Yes
Cluster Support No Yes, up to 64 nodes No
Hardware RAID Levels
(factory-installable options)
R1 (operating system) R5 or
R6 (data)
R1 or R5 (operating system) R5
Hot-Swap Drives Yes Yes Yes
Redundant Fans Yes Yes Yes
Redundant Power Yes (optional) Yes (optional) Yes (optional)
Operating system
NX Series systems support Windows Storage Server 2016. Windows Storage Server 2016 is available in either Workgroup
or Standard edition. Both the NX3240 and NX3340 ship with Standard edition. The NX440 ships with either Workgroup or
Standard edition. The Standard Edition offers the following premium features:
● Deduplication
● Hosted BranchCache
2
Introduction