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Manuf/OEM/ODM Alpha Networks NAS-205

(Est.) release date: February 2010
Country of manuf.: China

Amazon image

B004XFYGTO (Flag of the United Kingdom.svg, On Amazon, On CCC)
B004XFYGTO (Flag of Germany.svg, On Amazon, On CCC)

Type: NAS enclosure

FCC ID: none available
PCB ID: 8NAS205.3A1G

Power: 12.5 VDC, 3 A

CPU1: Marvell 88F6281 (1.2 GHz)
FLA1: 128 MiB
134,217,728 B
1,048,576 Kib
131,072 KiB
1,024 Mib
0.125 GiB
(Samsung K9F1G08U0B-PCB0)
RAM1: 512 MiB
536,870,912 B
4,194,304 Kib
524,288 KiB
4,096 Mib
0.5 GiB
(Samsung K4T1G084QE-HCF7 × 4)

Expansion IFs: USB 2.0, SATA, PCIe x1
Mini PCIe slots: 2
USB ports: 3
SATA ports: 2
JTAG: yes, 10-pin header
Serial: yes, 5-pin header

ETH chip1: Marvell 88F6281
ETH chip2: Marvell 88E1116R
LAN speed: 10/100/1000
LAN ports: 1

Additional chips
USB 2.0 Hub Controller;NEC;μPD720114;;1;
Network Transformer;Delta;LFE9203;;1;

Stock bootloader: U-Boot 1.1.3

Stock FW OS: Linux

Flags: RTC w/ battery backup, fan

Ethernet interface OUI: 5C:33:8E (-, 4 W, 2010)

For a list of all currently documented Marvell chipsets with specifications, see Marvell.

2-Bay Gigabit Network Storage Server

Product page

Main board on the bottom side silkscreened with "8NAS205.3A1G" and "1016"
PCIe and SATA ports are on sub-board silkscreened with "8NAS205S.1A1G"

OEM: Alpha Networks NAS-205


  • Marvell 1.2GHz ARM CPU, RAM 512MB DDR2, 128MB Flash, 1x GbE LAN
  • 2x 3.5" HDD SATA I/II (up to 3TB, total 6TB), RAID 0/1/JBOD, 3x USB 2.0
  • PSU: Jentec Technology Co. Ltd. JTA0512; 100~240V 1.2А -> 12/5V 3А


  • Powerful 1.2GHz CPU and 512MB DDR2 Memory
  • 10 second system backup and super-fast recovery
  • Effortlessly manage and share huge files remotely
  • Home entertainment center with virtual DVD, UPnP
media and iTunes server


CPU: Marvell 88F6281 (88F6-B1A2, Kirkwood)
@1.2GHz Feroceon (Cache II 256Kb/400MHz)
OUI: 5C:33:8E (Alpha Networks)


cpuinfo >> •
# cat version
Linux version ( 
(gcc version 4.2.1) #1 Mon Aug 16 12:10:49 CST 2010

# cat cpuinfo
Processor       : ARM926EJ-S rev 1 (v5l)
BogoMIPS        : 1196.03
Features        : swp half thumb fastmult edsp
CPU implementer : 0x56
CPU architecture: 5TE
CPU variant     : 0x2
CPU part        : 0x131
CPU revision    : 1
Cache type      : write-back
Cache clean     : cp15 c7 ops
Cache lockdown  : format C
Cache format    : Harvard
I size          : 16384
I assoc         : 4
I line length   : 32
I sets          : 128
D size          : 16384
D assoc         : 4
D line length   : 32
D sets          : 128
Hardware        : Feroceon-KW
Revision        : 0000
Serial          : 0000000000000000

# busybox
BusyBox v1.12.3 (2010-08-25 07:08:55 CST) multi-call binary

See also[edit]

List of NAS Devices
  • ASUS NAS-M25 - Dual NAS System 2x SATA II, 3TB HDD, 3x USB 2.0,
Marvell @1.2GHz CPU, 512MB RAM, GbE LAN, RAID, VMware support
Marvell ARMADA 385 CPU, 512MB RAM, GbE LAN, USB 3.0
Intel Celeron @1.6GHz Quad-Core CPU (Braswell), 2GB RAM, 1x GbE LAN