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Item#: N82E16833973005R
Addonics NAS40ESU NAS 4.0 Adapter Images from retail item, box contents may vary.

Addonics NAS40ESU NAS 4.0 Adapter

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  • NAS40ESU
  • NAS 4.0 Adapter

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  • Specifications
  • Warranty & Returns

Learn more about the Addonics Technologies NAS40ESU




NAS 4.0 Adapter
Two eSATAp (eSATA/ USB 2.0 combo) connectors

SATA 1.0 specification

USB 2.0 / 1.1 specification

USB port can supply power up to 1.5A at 5V using the bundled power adapter

One RJ45 socket for 10/100/1000Mbps Ethernet connection

File systems support: XFS, EXT3, EXT4, NTFS, FAT16, FAT32

Maximum # of storage devices supported - 16 (requires combination of USB hubs or Port Multipliers)

Maximum # of partition per storage device - 15

Maximum user accounts: Samba server - 64,0000*

Maximum # of concurrent connections: Samba and FTP server combined - 32,000*

LED for power, status and LAN activity

Power consumption: 2 watts @ idle, 2.5 watts average during operation

Dimensions (L x W x H): ~ (85 x 55 x 23) mm or (3.35 x 2.17 x .91) in.

Weight: ~172g (6.1 oz)

*These are the theoretical limits in the kernel. As # of concurrent connections increase, performance starts to decline depending on the drive access activity from the concurrent connections.


Turn any eSATA or USB mass storage device into a Network Attached Storage appliance

Great for attaching Addonics Raid Tower / RAID Rack, Flash reader and any Addonics USB storage device onto the network

A powerful tool for creating a custom Network Attached Storage appliance.

Two eSATAp ports for connecting two eSATA storage devices for high performance or two
USB 2.0 storage devices

Up to 16 storage devices can be connected to the LAN with the following additional accessories:
Port Multiplier (PM) via USB connection such as the Addonics PM model AD5HPMREU.

Support Up to 15 partitions per storage device - giving a maximum 240 drive volumes on the network

Built-In SMB / Samba server for file sharing over LAN

Built-in FTP server for file access over the internet

Support any eSATA or USB storage with XFS, EXT2, EXT3, EXT4, NTFS or FAT32 file system

Maximum partition size or drive volume capacity:
XFS - 16 tebibyte (TiB)
EXT3 - 16 tebibyte (TiB)
EXT4 - 16 tebibyte (TiB)
NTFS - 16 TB
FAT32 - 2TB

Built-in file formatting utility for XFS and EXT3
Warranty, Returns, And Additional Information
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
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