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  • Hot-swappable
  • Two speeds, FAST and EXTREME
  • 2GB DDR4 (not expandable)
  • Marvell ARMADA-7020 1.6GHz (Dual-Core) Processor

Product Description AS4004T

The AS40 series diamond-cut exterior has a magnetic cover for easy access to hard drives within. Its front panel hexagonal design creates a lightweight, yet strong frame for added durability and protection. The AS40 series also comes with a better cooling design, allowing for better airflow, allowing for higher longevity and lower failure rates.

ASUSTOR’s AS40 series introduces its new tool-free caddies as a way to simplify installation of hard drives. Each NAS comes included with brackets to install the drive easily. On the AS4000 series, hot-swapping of hard drives is supported, allowing you to change hard drives easily without powering down the NAS.

The Marvell 64bit CPU found inside the AS40 series contains two cores clocked at 1.6Ghz powered by the ARM Cortex A72 microarchitecture. Compared with the Cortex-A15 core, the Cortex-A72 is three and a half times faster while providing seventy-five percent reduced power. The 64bit architecture supports up to 16TB on a single volume. The AS40 series also supports DDR4 RAM soldered onto the motherboard, providing even faster bandwidth and lower power consumption than DDR3.

ASUSTOR’s AS40 series of NAS are the first line of consumer NAS made by ASUSTOR to feature 10gbps of bandwidth over Ethernet. Our 10gbps Ethernet port uses RJ45 which are different from SFP+ as it is more accessible to consumers, and flexible with different Ethernet speeds and standards.

The AS40 series devices produce only 19 decibels of noise during system standby, equivalent to the almost inaudible sound of a pin drop. During system operation, only 32 decibels of noise is produced, equivalent to the hushed tones of a quiet library, allowing the AS40 series devices to seamlessly and comfortably integrate into any living environment.

  • ASUS motherboard quality
  • Marvell 1.6GHz CPU
  • 2GB of DDR4 RAM at 2400Mhz, fast and efficient.
  • Dual gigabit Ethernet with the addition of a 10gbE port.
  • All new diamond cut exterior
  • Magnetic dust-proof cover
  • Supports two hot-swappable HDDs
  • Screwless, Toolfree installation
  • Hot-swappable
  • 3 year warranty, best in class
  • Built with only two speeds, FAST and EXTREME.

For more information, please visit this products webpage.


Type Tower
CPU Marvell ARMADA-7020 1.6GHz (Dual-Core) Processor
RAM 2GB DDR4 (not expandable)?
Nr. of HDD slots 4 slots
Harddisk interface 2,5'' SATA III, 3,5'' SATA III, 2,5'' SSD
RAID Single Disk, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
External interface 1 x USB 3.1
LAN 1 x 10 Gigabit
Encryption Software based
Link aggregation Yes
Redundant power supply No
Wireless Yes: Wireless n
Specials HDMI output, Cloud function
Warranty 3 year
EAN Code 4710474830886

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CPU Marvell ARMADA-7020 1.6GHz (Dual-Core) Processor
Memory 2GB DDR4 (not expandable)?
HDD 4 x SATA3 6Gb/s; 3.5"/2.5" HDD/SSDĀ¹
Maximum Internal Raw Capacity 48 TB (12 TB HDD X 4, Capacity may vary by RAID types)
Maximum Drive Bays with Expansion Unit 12
Maximum Raw Capacity with Expansion Units 144 TB (12 TB HDD X 12, Capacity may vary by RAID types)
Expansion USB 3.1 Gen-1 x2
Network Gigabit Ethernet x 2; 10Gigabit Ethernet x1
Output N/A
System Fan 120mm x 1
Power Supply Unit / Adapter 90W x1
Input Power Voltage 100V to 240V AC
Certification FCC, CE, VCCI, BSMI, C-TICK
Power Consumption 31.5W (Operation) 17.1W (Disk Hibernation)
Noise Level 19.7dB (HDD idle)
Operation Temperature 5°C~35°C
Humidity 5% to 95% RH
Size 170(H) x 174(W) x 230(D) mm
Weight 2.2 kg / 4.85 lbs

Did you notice a wrong specification? Please let us know.

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