QNAP TS-421U

4-Bay Business Ready Rack Mount NAS Server with iSCSI
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
Brand • Model • Rev	QNAP TS-421U
Type	NAS enclosure
CPU1	Marvell 88F6282
CPU1 Type	ARMv5
CPU1 Speed	2.0 GHz
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 (7 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 5 additional devices of which 5 are QNAP devices Default login user: admin Default login password: admin admin:admin credentials used by 1342 additional devices of which 6 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
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 device 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

Download Center

Pictures

User Images

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  Board Top

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  Board Bottom

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  SATA Board Front

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  SATA Board Back

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  Internal