Owners Manual

System battery specifications
The NX440 contains one CR 2032 3.0-V lithium coin cell battery.
Expansion bus specifications
The NX440 NAS system supports up to two PCI express (PCIe) generation 3 cards.
PCIe slot Riser PCIe slot height PCIe slot length Slot width
Slot 1 x8 PCIe Low-profile Half-length x4
Slot 2 x16 PCIe Low-profile/Full height Half-length x8
Memory specifications
The NX440 supports up to four 288-pin RDIMMS with a speed of 2666 MT/s.
Memory
DIMM type DIMM rank DIMM capacity Minimum RAM Maximum RAM
UDIMM Single rank 8 GB 8 GB 8 GB
Single rank 16 GB 16 GB 16 GB
Storage controller specifications
The NX440 contains one internal storage controller card and supports external storage using a SAS HBA.
● Internal controller — PERC H730P mini
● External storage — 12 Gb SAS Host Bus Adapter card
Drive specifications
The NX440 system supports SAS and SATA drives and an optical DVD.
Internal drives
4 x 3.5-inch hot-swappable SAS or SATA
NOTE: Solid State Drives (SSDs) are supported, but must be ordered in a separate kit.
External storage
MD1400, MD1420 12 Gb JBOD
ME484 12 Gb JBOD
ML3 Tape
ML3E Tape
Optical LTO external drive, PV114x, TL1000 Tape
One DVD-ROM drive or DVD +/-RW drive SATA
16 Technical specifications