QNAP TS-473-4G/16TB-RED 4 Bay NAS vs QNAP TS-473-4G/24TB-RED 4 Bay NAS

Comparison of TS-473-4G/16TB-RED 4 Bay NAS, TS-473-4G/24TB-RED 4 Bay NAS

86 specifications	A QNAP TS-473-4G/16TB-RED 4 Bay NASView product	B QNAP TS-473-4G/24TB-RED 4 Bay NASView product
Storageidentical
Storage drives installed	Yes	Yes
Number of storage drives supported	4	4
Installed storage drive type	HDD	HDD
Supported storage drive types	HDD & SSD	HDD & SSD
Supported storage drive interfaces	M.2, Serial ATA, Serial ATA II, Serial ATA III	M.2, Serial ATA, Serial ATA II, Serial ATA III
Storage drive sizes supported	2.5,3.5,M.2	2.5,3.5,M.2
Number of M.2 (M & B) slots	2	2
RAID support	Yes	Yes
RAID levels	0, 1, 5, 6, 10, 50, JBOD	0, 1, 5, 6, 10, 50, JBOD
Online RAID migration	Yes	Yes
Online RAID expansion	Yes	Yes
Hot-swap drive bays	Yes	Yes
Supported file systems	FAT32, HFS+, NTFS, ext3, ext4	FAT32, HFS+, NTFS, ext3, ext4
Processoridentical
Processor frequency	2.1 GHz	2.1 GHz
Processor boost frequency	3.4 GHz	3.4 GHz
Processor operating modes	64-bit	64-bit
Memoryidentical
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
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
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
Supported network protocols	TCP/IP, IPv4, IPv6	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
Designidentical
Chassis type	Desktop	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
LED indicators	Yes	Yes
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Built-in speaker(s)	Yes	Yes
Number of built-in speakers	1	1
Performanceidentical
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
Web-based management	Yes	Yes
Access Control List (ACL)	Yes	Yes
Backup button	Yes	Yes
Browser supported	Chrome, Firefox, Internet Explorer 10+, Safari 7+	Chrome, Firefox, Internet Explorer 10+, Safari 7+
Built-in FTP server	Yes	Yes
Built-in iTunes server	Yes	Yes
Hot spare	Yes	Yes
On/off switch	Yes	Yes
Reset button	Yes	Yes
S.M.A.R.T. support	Yes	Yes
Security algorithms	256-bit AES, FIPS 140-2, HTTPS, SSH, SSL/TLS	256-bit AES, FIPS 140-2, HTTPS, SSH, SSL/TLS
Share folder	CIFS/SMB	CIFS/SMB
System log	Yes	Yes
Softwareidentical
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 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

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.