Product comparison · 2 nas & storage servers

QNAP TS-473-4G NAS Tower AMD Embedded R-Series SoC RX-421ND vs QNAP TS-473-4G/24TB-RED 4 Bay NAS

83specifications compared
8differ
75identical
27known for one product only

Key differences

The QNAP TS-473-4G NAS Tower AMD Embedded R-Series SoC RX-421ND has 2 more storage drives supported than the QNAP TS-473-4G/24TB-RED 4 Bay NAS (6 vs 4). Storage drive sizes supported: 2.5,3.5" on the QNAP TS-473-4G NAS Tower AMD Embedded R-Series SoC RX-421ND, 2.5,3.5,M.2 on the QNAP TS-473-4G/24TB-RED 4 Bay NAS. RAID levels: 0, 1, 5, 6, 10, JBOD on the QNAP TS-473-4G NAS Tower AMD Embedded R-Series SoC RX-421ND, 0, 1, 5, 6, 10, 50, JBOD on the QNAP TS-473-4G/24TB-RED 4 Bay NAS. Chassis type: Tower on the QNAP TS-473-4G NAS Tower AMD Embedded R-Series SoC RX-421ND, Desktop on the QNAP TS-473-4G/24TB-RED 4 Bay NAS.

Number of storage drives supported
- TS-473-4G NAS Tower AMD Embedded R-Series SoC RX-421ND:6
- TS-473-4G/24TB-RED 4 Bay NAS:4
Storage drive sizes supported
- TS-473-4G NAS Tower AMD Embedded R-Series SoC RX-421ND:2.5,3.5"
- TS-473-4G/24TB-RED 4 Bay NAS:2.5,3.5,M.2
RAID levels
- TS-473-4G NAS Tower AMD Embedded R-Series SoC RX-421ND:0, 1, 5, 6, 10, JBOD
- TS-473-4G/24TB-RED 4 Bay NAS:0, 1, 5, 6, 10, 50, JBOD
Chassis type
- TS-473-4G NAS Tower AMD Embedded R-Series SoC RX-421ND:Tower
- TS-473-4G/24TB-RED 4 Bay NAS:Desktop

Side by side

Differences highlightedShow differences only

Comparison of TS-473-4G, TS-473-4G/24TB-RED 4 Bay NAS
110 specifications	A QNAP TS-473-4G NAS Tower AMD Embedded R-Series SoC RX-421ND Model TS-473-4G View product	B QNAP TS-473-4G/24TB-RED 4 Bay NAS View product
Storage4 differ
Storage drives installed	Yes	Yes
Total installed storage capacityKnown for one	16 TB	Unknown — not stated by the source
Number of storage drives installedKnown for one	4	Unknown — not stated by the source
Number of storage drives supportedDiffers	6	4
Installed storage drive type	HDD	HDD
Supported storage drive types	HDD & SSD	HDD & SSD
Storage drive capacityKnown for one	4 TB	Unknown — not stated by the source
Storage drive interfaceKnown for one	Serial ATA III	Unknown — not stated by the source
Supported storage drive interfacesDiffers	Serial ATA III	M.2, Serial ATA, Serial ATA II, Serial ATA III
Storage drive sizes supportedDiffers	2.5,3.5"	2.5,3.5,M.2
Number of M.2 (M & B) slots	2	2
RAID support	Yes	Yes
RAID levelsDiffers	0, 1, 5, 6, 10, JBOD	0, 1, 5, 6, 10, 50, JBOD
Online RAID migration	Yes	Yes
Online RAID expansion	Yes	Yes
RAID rebuildKnown for one	Yes	Unknown — not stated by the source
Hot-swap drive bays	Yes	Yes
Supported file systems	FAT32, HFS+, NTFS, ext3, ext4	FAT32, HFS+, NTFS, ext3, ext4
Bad block scanKnown for one	Yes	Unknown — not stated by the source
Disk roamingKnown for one	Yes	Unknown — not stated by the source
Processoridentical
Processor familyKnown for one	AMD Embedded R-Series SoC	Unknown — not stated by the source
Processor modelKnown for one	RX-421ND	Unknown — not stated by the source
Processor frequency	2.1 GHz	2.1 GHz
Processor boost frequency	3.4 GHz	3.4 GHz
Processor coresKnown for one	4	Unknown — not stated by the source
Processor operating modes	64-bit	64-bit
Memoryidentical
Internal memoryKnown for one	4 GB	Unknown — not stated by the source
Internal memory type	DDR4	DDR4
Maximum RAM supported	64 GB	64 GB
Memory form factor	SO-DIMM	SO-DIMM
Memory slots	4	4
Flash memory	512 MB	512 MB
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Copper ethernet cabling technologyKnown for one	10BASE-T, 100BASE-T, 1000BASE-T	Unknown — not stated by the source
Wi-Fi	No	No
DHCP client	Yes	Yes
DHCP server	Yes	Yes
Jumbo frames support	Yes	Yes
iSCSI support	Yes	Yes
Wake-on-LAN ready	Yes	Yes
Dynamic DNS (DDNS)Known for one	Yes	Unknown — not stated by the source
Supported network protocolsDiffers	CIFS/SMB, AFP (v3.3), NFS (v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC	TCP/IP, IPv4, IPv6
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports	4	4
USB port	Yes	Yes
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	4	4
Fiber ports quantity	0	0
3.5 mm (1/8-inch) out	Yes	Yes
Microphone in	Yes	Yes
PCI Express x4 (Gen 3.x) slots	2	2
Design1 differ
Chassis typeDiffers	Tower	Desktop
Cooling type	Active	Active
Product colour	Black	Black
Number of fans	2 fan(s)	2 fan(s)
Fan diameter	12 cm	12 cm
Fan diameter 2	6 cm	6 cm
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Built-in speaker(s)	Yes	Yes
Number of built-in speakers	1	1
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Performance2 differ
Type	NAS	NAS
Device class	Small & Medium Business	Small & Medium Business
Backup function	Yes	Yes
Backup features	Cloud, iSCSI LUN	Cloud, iSCSI LUN
Multilingual support	Yes	Yes
Third-party supportKnown for one	Yes	Unknown — not stated by the source
Built-in optical driveKnown for one	No	Unknown — not stated by the source
Card reader integratedKnown for one	No	Unknown — not stated by the source
SnapshotKnown for one	Yes	Unknown — not stated by the source
Web-based management	Yes	Yes
Access Control List (ACL)	Yes	Yes
Backup button	Yes	Yes
Browser supportedDiffers	Internet Explorer 10+, Chrome, Safari 7+, Firefox	Chrome, Firefox, Internet Explorer 10+, Safari 7+
Built-in BitTorrent clientKnown for one	Yes	Unknown — not stated by the source
Built-in FTP server	Yes	Yes
Built-in iTunes server	Yes	Yes
Disk scanKnown for one	Yes	Unknown — not stated by the source
Hot spare	Yes	Yes
On/off switch	Yes	Yes
Password authenticationKnown for one	Yes	Unknown — not stated by the source
S.M.A.R.T. support	Yes	Yes
Security algorithmsDiffers	256-bit AES, FIPS 140-2, HTTPS, SNMPv3, SSH, SSL/TLS	256-bit AES, FIPS 140-2, HTTPS, SSH, SSL/TLS
System log	Yes	Yes
Universal Plug and Play (UPnP)Known for one	Yes	Unknown — not stated by the source
Reset buttonKnown for one	Unknown — not stated by the source	Yes
Share folderKnown for one	Unknown — not stated by the source	CIFS/SMB
Softwareidentical
Operating system installedKnown for one	QNAP Turbo System	Unknown — not stated by the source
Operating system version	4.3.4	4.3.4
Windows operating systems supported	Windows 10, Windows 7, Windows 8	Windows 10, Windows 7, Windows 8
Linux operating systems supported	Yes	Yes
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Mac operating systems supported	Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks	Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Server operating systems supported	Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016	Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
Poweridentical
Power supply location	Built-in	Built-in
Power supply unit (PSU) capacity	250 W	250 W
Number of power supply units	1	1
AC input voltage	100-240 V	100-240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Weight & dimensionsidentical
Width	199.3 mm	199.3 mm
Depth	279.6 mm	279.6 mm
Height	188.2 mm	188.2 mm
Packaging contentidentical
Cables included	AC, LAN (RJ-45)	AC, LAN (RJ-45)
Quick installation guide	Yes	Yes
Number of screws	14	14
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%
Other featuresidentical
Digital Living Network Alliance (DLNA) certified	Yes	Yes
Power managementKnown for one	Yes	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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