Product comparison · 2 nas & storage servers

QNAP TS-1673U NAS Rack (3U) AMD Embedded R-Series SoC RX-421ND vs QNAP TS-873U NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND

70specifications compared
15differ
55identical
26known for one product only

Key differences

Number of storage drives supported
- TS-1673U NAS Rack (3U) AMD Embedded R-Series SoC RX-421ND:18
- TS-873U NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND:8
Internal memory
- TS-1673U NAS Rack (3U) AMD Embedded R-Series SoC RX-421ND:64 GB
- TS-873U NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND:8 GB
Chassis type
- TS-1673U NAS Rack (3U) AMD Embedded R-Series SoC RX-421ND:Rack (3U)
- TS-873U NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND:Rack (2U)
Number of fans
- TS-1673U NAS Rack (3U) AMD Embedded R-Series SoC RX-421ND:4 fan(s)
- TS-873U NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND:2 fan(s)
Fan diameter
- TS-1673U NAS Rack (3U) AMD Embedded R-Series SoC RX-421ND:9.2 cm
- TS-873U NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND:7 cm
LED indicators
- TS-1673U NAS Rack (3U) AMD Embedded R-Series SoC RX-421ND:HDD, LAN, Power, Status, USB
- TS-873U NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND:Yes
Backup features
- TS-1673U NAS Rack (3U) AMD Embedded R-Series SoC RX-421ND:Cloud, iSCSI LUN
- TS-873U NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND:iSCSI LUN
Power supply unit (PSU) capacity
- TS-1673U NAS Rack (3U) AMD Embedded R-Series SoC RX-421ND:350 W
- TS-873U NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND:250 W

Side by side

Differences highlightedShow differences only

Comparison of TS-1673U, TS-873U
96 specifications	A QNAP TS-1673U NAS Rack (3U) AMD Embedded R-Series SoC RX-421ND Model TS-1673U View product	B QNAP TS-873U NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND Model TS-873U View product
Storage1 differ
Storage drives installed	No	No
Total installed storage capacity	0 TB	0 TB
Number of storage drives installed	0	0
Number of storage drives supportedDiffers	18	8
Installed storage drive type	No	No
Supported storage drive types	HDD & SSD	HDD & SSD
Storage drive capacity	0 GB	0 GB
Storage drive interfaceKnown for one	M.2, Serial ATA III	Unknown — not stated by the source
Storage drive sizeKnown for one	2.5/3.5"	Unknown — not stated by the source
RAID support	Yes	Yes
RAID levels	0, 1, 5, 6, 10, JBOD	0, 1, 5, 6, 10, JBOD
Supported file systems	FAT32, HFS+, NTFS, exFAT, ext3, ext4	FAT32, HFS+, NTFS, exFAT, ext3, ext4
Bad block scanKnown for one	Yes	Unknown — not stated by the source
Supported storage drive interfacesKnown for one	Unknown — not stated by the source	Serial ATA, Serial ATA II, Serial ATA III
Storage drive sizes supportedKnown for one	Unknown — not stated by the source	2.5,3.5"
Number of M.2 (M & B) slotsKnown for one	Unknown — not stated by the source	2
Hot-swap drive baysKnown for one	Unknown — not stated by the source	Yes
Processoridentical
Processor family	AMD Embedded R-Series SoC	AMD Embedded R-Series SoC
Processor model	RX-421ND	RX-421ND
Processor frequency	2.1 GHz	2.1 GHz
Processor boost frequency	3.4 GHz	3.4 GHz
Processor cores	4	4
L2 cacheKnown for one	Unknown — not stated by the source	2 MB
Memory1 differ
Internal memoryDiffers	64 GB	8 GB
Internal memory type	DDR4	DDR4
Maximum RAM supported	64 GB	64 GB
Memory slotsKnown for one	4	Unknown — not stated by the source
Flash memory	512 MB	512 MB
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000,10000 Mbit/s	10,100,1000,10000 Mbit/s
Ethernet LAN data rate supported (max)	10000 Mbit/s	10000 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
Dynamic DNS (DDNS)Known for one	Yes	Unknown — not stated by the source
Supported network protocolsKnown for one	CIFS/SMB, AFP v3.3, NFS v3, FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC	Unknown — not stated by the source
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports	4	4
USB port	Yes	Yes
USB 2.0 ports quantity	4	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
Fiber ports quantity	2	2
Fiber optic connector	SFP+	SFP+
PCI Express x4 (Gen 3.x) slotsKnown for one	1	Unknown — not stated by the source
Design4 differ
Chassis typeDiffers	Rack (3U)	Rack (2U)
Cooling type	Active	Active
Product colour	Black	Black
Number of fansDiffers	4 fan(s)	2 fan(s)
Fan diameterDiffers	9.2 cm	7 cm
LED indicatorsDiffers	HDD, LAN, Power, Status, USB	Yes
Performance3 differ
Type	NAS	NAS
Device class	Small & Medium Business	Small & Medium Business
Backup function	Yes	Yes
Backup featuresDiffers	Cloud, iSCSI LUN	iSCSI LUN
Multilingual support	Yes	Yes
Web-based management	Yes	Yes
Access Control List (ACL)	Yes	Yes
Browser supportedDiffers	Microsoft Internet Explorer 10+, Google Chrome, Apple Safari 7+, Mozilla Firefox	Apple Safari 7, Google Chrome, Microsoft Internet Explorer 10, Mozilla Firefox
Built-in FTP server	Yes	Yes
Built-in iTunes serverKnown for one	Yes	Unknown — not stated by the source
On/off switchKnown for one	Yes	Unknown — not stated by the source
Reset button	Yes	Yes
S.M.A.R.T. support	Yes	Yes
Security algorithmsDiffers	256-bit AES, FIPS 140-2, HTTPS, SNMP, SNMPv3, SSH, SSL/TLS	256-bit AES, SNMPv3
Share folder	CIFS/SMB	CIFS/SMB
System logKnown for one	Yes	Unknown — not stated by the source
Share folder access right managementKnown for one	Unknown — not stated by the source	Yes
Universal Plug and Play (UPnP)Known for one	Unknown — not stated by the source	Yes
Softwareidentical
Operating system installed	QNAP Turbo System	QNAP Turbo System
Operating system version	4.3	4.3
Windows operating systems supportedKnown for one	Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 H	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
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 10.7 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 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Server operating systems supportedKnown for one	Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2	Unknown — not stated by the source
Power2 differ
Power supply location	Built-in	Built-in
Power supply unit (PSU) capacityDiffers	350 W	250 W
Number of power supply units	1	1
AC input voltageDiffers	100-240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Fan voltage	12 V	12 V
Weight & dimensions3 differ
WidthDiffers	481 mm	482 mm
DepthDiffers	536 mm	534 mm
HeightDiffers	130 mm	89 mm
WeightKnown for one	14.2 kg	Unknown — not stated by the source
Packaging content1 differ
Cables included	AC, LAN (RJ-45)	AC, LAN (RJ-45)
Quick installation guide	Yes	Yes
Number of screwsDiffers	112	56
Processor special featuresidentical
Intel® AES New Instructions (Intel® AES-NI)Known for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84714100	Unknown — not stated by the source
Other featuresidentical
Digital Living Network Alliance (DLNA) certifiedKnown for one	Yes	Unknown — not stated by the source
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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