Product comparison · 2 nas & storage servers

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

73specifications compared
20differ
53identical
23known 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-RP 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-RP NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND:16 GB
Ethernet LAN data rates
- TS-1673U NAS Rack (3U) AMD Embedded R-Series SoC RX-421ND:10,100,1000,10000 Mbit/s
- TS-873U-RP NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND:10,100,1000 Mbit/s
Chassis type
- TS-1673U NAS Rack (3U) AMD Embedded R-Series SoC RX-421ND:Rack (3U)
- TS-873U-RP 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-RP 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-RP 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-RP 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-RP NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND:iSCSI LUN

Side by side

Differences highlightedShow differences only

Comparison of TS-1673U, TS-873U-RP
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-RP NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND Model TS-873U-RP View product
Storage1 differ
Number of storage drives supportedDiffers	18	8
Supported storage drive typesKnown for one	HDD & SSD	Unknown — not stated by the source
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
Bad block scanKnown for one	Yes	Unknown — not stated by the source
Supported storage drive interfacesKnown for one	Unknown — not stated by the source	M.2, Serial ATA III
Storage drive sizes supportedKnown for one	Unknown — not stated by the source	2.5,3.5,M.2
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
L2 cacheKnown for one	Unknown — not stated by the source	2 MB
Memory1 differ
Internal memoryDiffers	64 GB	16 GB
Memory slotsKnown for one	4	Unknown — not stated by the source
Network1 differ
Ethernet LAN data ratesDiffers	10,100,1000,10000 Mbit/s	10,100,1000 Mbit/s
Ethernet LAN data rate supported (max)Known for one	10000 Mbit/s	Unknown — not stated by the source
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
PCI Express x4 (Gen 3.x) slotsKnown for one	1	Unknown — not stated by the source
Design4 differ
Chassis typeDiffers	Rack (3U)	Rack (2U)
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
Backup featuresDiffers	Cloud, iSCSI LUN	iSCSI LUN
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 iTunes serverKnown for one	Yes	Unknown — not stated by the source
Security algorithmsDiffers	256-bit AES, FIPS 140-2, HTTPS, SNMP, SNMPv3, SSH, SSL/TLS	256-bit AES, SNMPv3
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
Software3 differ
Windows operating systems supportedDiffers	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	Windows 10, Windows 7, Windows 8
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Mac operating systems supportedDiffers	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 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Server operating systems supportedDiffers	Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2	Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2016
Power3 differ
Power supply unit (PSU) capacityDiffers	350 W	250 W
Number of power supply unitsDiffers	1	2
AC input voltageDiffers	100-240 V	100 - 240 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
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
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84714100	Unknown — not stated by the source
Other featuresidentical
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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