QNAP TS-421U

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4-Bay Business Ready Rack Mount NAS Server with iSCSI
QNAP TS-421U.png
Homepage Product page
WikiDevi.wi-cat.ru QNAP TS-421U
3rd Party Firmware
dd-wrt Status Unknown
OpenWrt Status Unknown
Tomato any flavor Incompatible
Gargoyle Status Unknown
Platform
BrandModelRev QNAP TS-421U
Type NAS enclosure
CPU1 checkY Marvell 88F6282
CPU1 Type ARMv5
CPU1 Speed 2.0 GHz 32-bit
Flash1 Chip Micron N25Q128A
Flash1 Size 16 MiB16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br />
RAM1 Size 1 GiB 1,024 MiB <br />1,073,741,824 B <br />8,388,608 Kib <br />1,048,576 KiB <br />8,192 Mib <br /> (DDR3 SDRAM)
RAM1 Chip Micron MT41K256M8DA-125 x 4
ETH chip1 Marvell 88F6282
ETH chip2 Marvell 88E1318
ETH chip3 Marvell 88E1318
Ethernet Port Count 2-1GbE-LAN
Wired Standard IEEE 802.3i/3u/3ab

Ethernet OUI: 00:08:9B (8 E, -)

Expansion IF types SATA II, eSATA, USB 3.0, USB 2.0
USB ports 4
SATA Ports 4
eSATA Ports 2
USB Hub Compatible Untested
Power 100-240 VAC ~ 47/63 Hz, 3.5 A
Connector type C13
Serial Port (UART) yes, 4-pin header, populated, 3.3V TTL, (115200 8N1), CN4

Flags:
RTC w/ battery, eSATA, buzzer, power switch, fan, heatsink, metal case, WoL, SNMP, Link aggregation

Additional chips
2-Wire RTC IC;Seiko;S35390A;;1;
System Controller IC;Microchip;PIC16F690;;1;
USB 3.0 Host Controller;EtronTech;EJ168A;;1;
4-port SATA II Controller;Marvell;88SX7042;;1;
4-port USB Hub Controller;Genesys Logic;GL850G;;1;
2Kbit I2C 2-wire Serial EEPROM;Atmel;AT24C02C;;1;
Quadruple Bus Buffer Gate w/ 3-State Output;TI;SN74AHCT125;;1;
1MHz, 4.5A Peak Current-Limit Step-Down Regulator;Marvell;88PG847B;;1;

Other

Default IP address: 169.254.100.100
the IP 169.254.100.100 is used by 6 additional devices
of which 6 are QNAP devices
Default login user: admin
Default login password: admin
admin:admin credentials used by 1347 additional devices
of which 7 are QNAP devices

3rd Party Firmware Support Debian
Retail
Availability End of Life
End of Life date 01 October 2022
(Est.) release date April 2013
ASIN B00C2ANPFS Flag of United Kingdom.svg
Country of manuf Taiwan

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

For a list of all currently documented QNAP devices with specifications, see QNAP.

Overview

"TS-420U", "TS-421U" and "QV08 V2.1" are silkscreened on the main board.

"FKN-20106-A00267-YS-RS", "TS-419UII BP" and "QU89 V2.0" are silkscreened on the SATA board.

Hardware specification

  • CPU: Marvell 88F6282 @2GHz (Kirkwood ARM V5)
  • Memory: 1GB (SDRAM) DDR3
  • Storage: 16MB Flash, 4x SATA II, 2x eSATA
  • Network: 2x Gigabit Ethernet port
  • USB: 2x USB 3.0 Type A, 2x USB 2.0 Type A
  • Power: 120-240V AC via C13

Links of Interest

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Pictures

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