Product comparison · 2 nas & storage servers

QNAP TVS-873E NAS Tower AMD Embedded R-Series SoC RX-421BD vs Seagate HS-251+ NAS Compact Intel® Celeron®

60specifications compared
33differ
27identical
57known for one product only

Key differences

Storage drives installed
- TVS-873E NAS Tower AMD Embedded R-Series SoC RX-421BD:No
- HS-251+ NAS Compact Intel® Celeron®:Yes
Total installed storage capacity
- TVS-873E NAS Tower AMD Embedded R-Series SoC RX-421BD:0 TB
- HS-251+ NAS Compact Intel® Celeron®:2 TB
Number of storage drives installed
- TVS-873E NAS Tower AMD Embedded R-Series SoC RX-421BD:0
- HS-251+ NAS Compact Intel® Celeron®:2
Number of storage drives supported
- TVS-873E NAS Tower AMD Embedded R-Series SoC RX-421BD:8
- HS-251+ NAS Compact Intel® Celeron®:2
Installed storage drive type
- TVS-873E NAS Tower AMD Embedded R-Series SoC RX-421BD:No
- HS-251+ NAS Compact Intel® Celeron®:HDD
Storage drive capacity
- TVS-873E NAS Tower AMD Embedded R-Series SoC RX-421BD:0 GB
- HS-251+ NAS Compact Intel® Celeron®:1 TB
RAID levels
- TVS-873E NAS Tower AMD Embedded R-Series SoC RX-421BD:0, 1, 5, 6, 10, 50, 60, JBOD
- HS-251+ NAS Compact Intel® Celeron®:0, 1, JBOD
Processor family
- TVS-873E NAS Tower AMD Embedded R-Series SoC RX-421BD:AMD Embedded R-Series SoC
- HS-251+ NAS Compact Intel® Celeron®:Intel® Celeron®

Side by side

Differences highlightedShow differences only

Comparison of TVS-873E, HS-251+
117 specifications	A QNAP TVS-873E NAS Tower AMD Embedded R-Series SoC RX-421BD Model TVS-873E View product	B Seagate HS-251+ NAS Compact Intel® Celeron® Model HS-251+ View product
Storage8 differ
Storage drives installedDiffers	No	Yes
Total installed storage capacityDiffers	0 TB	2 TB
Number of storage drives installedDiffers	0	2
Number of storage drives supportedDiffers	8	2
Installed storage drive typeDiffers	No	HDD
Supported storage drive types	HDD & SSD	HDD & SSD
Storage drive capacityDiffers	0 GB	1 TB
Supported storage drive interfacesKnown for one	Serial ATA, Serial ATA II, Serial ATA III	Unknown — not stated by the source
Storage drive sizes supportedKnown for one	2.5,3.5"	Unknown — not stated by the source
Number of M.2 (M & B) slotsKnown for one	2	Unknown — not stated by the source
RAID support	Yes	Yes
RAID levelsDiffers	0, 1, 5, 6, 10, 50, 60, JBOD	0, 1, JBOD
Online RAID migrationKnown for one	Yes	Unknown — not stated by the source
Online RAID expansionKnown for one	Yes	Unknown — not stated by the source
RAID rebuildKnown for one	Yes	Unknown — not stated by the source
Hot-swap drive bays	Yes	Yes
Supported file systemsDiffers	FAT32, HFS+, NTFS, exFAT, ext3, ext4	FAT32, HFS+, NTFS, ext3, ext4
Disk roamingKnown for one	Yes	Unknown — not stated by the source
Storage drive interfaceKnown for one	Unknown — not stated by the source	Serial ATA, Serial ATA II, Serial ATA III
Storage drive sizeKnown for one	Unknown — not stated by the source	2.5/3.5"
Processor2 differ
Processor manufacturerKnown for one	AMD	Unknown — not stated by the source
Processor familyDiffers	AMD Embedded R-Series SoC	Intel® Celeron®
Processor modelKnown for one	RX-421BD	Unknown — not stated by the source
Processor frequencyDiffers	2.1 GHz	2 GHz
Processor boost frequencyKnown for one	3.4 GHz	Unknown — not stated by the source
Processor cores	4	4
On-board graphics card modelKnown for one	AMD Radeon R7	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory typeDiffers	DDR4	DDR3L
Maximum RAM supportedKnown for one	64 GB	Unknown — not stated by the source
Memory form factorKnown for one	SO-DIMM	Unknown — not stated by the source
Memory slotsKnown for one	4	Unknown — not stated by the source
Flash memory	512 MB	512 MB
Network2 differ
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	100,1000 Mbit/s	10,100,1000 Mbit/s
DHCP client	Yes	Yes
DHCP server	Yes	Yes
Jumbo frames supportKnown for one	Yes	Unknown — not stated by the source
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	IPv4, IPv6	CIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, and SMSC
Wi-FiKnown for one	Unknown — not stated by the source	No
Ports & interfaces3 differ
Ethernet LAN (RJ-45) portsDiffers	4	2
USB port	Yes	Yes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	2
HDMI ports quantityDiffers	2	1
HDMI versionKnown for one	1.4b	Unknown — not stated by the source
3.5 mm (1/8-inch) outKnown for one	Yes	Unknown — not stated by the source
Concurrent connectionsKnown for one	1200	Unknown — not stated by the source
Microphone inKnown for one	Yes	Unknown — not stated by the source
PCI Express x4 (Gen 3.x) slotsKnown for one	2	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	2
Fiber ports quantityKnown for one	Unknown — not stated by the source	0
Design4 differ
Chassis typeDiffers	Tower	Compact
Cooling typeDiffers	Active	Passive
Product colourDiffers	Grey	Black
Number of fansKnown for one	3 fan(s)	Unknown — not stated by the source
Fan diameterKnown for one	12 cm	Unknown — not stated by the source
Fan diameter 2Known for one	6 cm	Unknown — not stated by the source
LED indicatorsDiffers	LAN, Power, SSD, Status, USB	LAN, Status
Built-in displayKnown for one	Yes	Unknown — not stated by the source
Display typeKnown for one	LCD	Unknown — not stated by the source
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Built-in speaker(s)Known for one	Yes	Unknown — not stated by the source
Number of built-in speakersKnown for one	1	Unknown — not stated by the source
Performanceidentical
Type	NAS	NAS
Device class	Home & Home Office	Home & Home Office
Backup function	Yes	Yes
Backup features	Cloud, iSCSI LUN	Cloud, iSCSI LUN
Buzzer	Yes	Yes
Multilingual support	Yes	Yes
SnapshotKnown for one	Yes	Unknown — not stated by the source
Access Control List (ACL)Known for one	Yes	Unknown — not stated by the source
Backup buttonKnown for one	Yes	Unknown — not stated by the source
Browser supportedKnown for one	Apple Safari, Google Chrome, Microsoft Internet Explorer, Mozilla Firefox	Unknown — not stated by the source
Hot spareKnown for one	Yes	Unknown — not stated by the source
On/off switch	Yes	Yes
Remotely operatedKnown for one	Yes	Unknown — not stated by the source
Reset button	Yes	Yes
S.M.A.R.T. support	Yes	Yes
Security algorithmsKnown for one	256-bit AES, HTTPS, SNMP, SSH, SSL/TLS	Unknown — not stated by the source
System logKnown for one	Yes	Unknown — not stated by the source
USB copy functionKnown for one	Yes	Unknown — not stated by the source
Universal Plug and Play (UPnP)Known for one	Yes	Unknown — not stated by the source
Built-in FTP serverKnown for one	Unknown — not stated by the source	Yes
Built-in iTunes serverKnown for one	Unknown — not stated by the source	Yes
Software5 differ
Operating system installed	QNAP Turbo System	QNAP Turbo System
Operating system versionDiffers	5.0.0	4.2
Windows operating systems supportedDiffers	Windows 10, 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 10 x64, Windows 11, Windows 11 x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterpri	Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Win
Linux operating systems supportedDiffers	CentOS 7.0, SuSE Linux 12.0, SuSE Linux 12.3, SuSE Linux 15, Ubuntu 14.04, Ubuntu 14.10, Ubuntu 15.04, Ubuntu 15.10, Ubuntu 16.04, Ubuntu 16.10, Ubuntu 17.10, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS	Yes
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 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks, Mac OS X 11.0 Big Sur	Mac OS X 10.0 Cheetah, Mac OS X 10.1 Puma, Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.2 Jaguar, Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 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 2016, Windows Server 2019	Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2
Other operating systems supportedKnown for one	IBM AIX 7.1, IBM AIX 7.2, Solaris 10, Solaris 11	Unknown — not stated by the source
Power4 differ
Power supply locationDiffers	Built-in	External
Power supply unit (PSU) capacityDiffers	250 W	60 W
Power consumption (typical)Known for one	70.26 W	Unknown — not stated by the source
Power consumption (sleep)Differs	36.43 W	0.6 W
AC input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
AC input frequencyDiffers	50 - 60 Hz	100-240 Hz
Weight & dimensions3 differ
WidthDiffers	329.3 mm	302 mm
DepthDiffers	279.6 mm	220 mm
HeightDiffers	188.2 mm	41.3 mm
WeightKnown for one	6.56 kg	Unknown — not stated by the source
Package weightKnown for one	8.4 kg	Unknown — not stated by the source
Packaging contentidentical
Cables included	AC, LAN (RJ-45)	AC, LAN (RJ-45)
Power cables quantityKnown for one	1	Unknown — not stated by the source
Quick installation guide	Yes	Yes
Number of screwsKnown for one	26	Unknown — not stated by the source
External power adapterKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-20 - 70 °C	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84714100	Unknown — not stated by the source
Other featuresidentical
Fibre ChannelKnown 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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