Product comparison · 2 nas & storage servers

QNAP TS-1253U NAS/storage server Rack (2U) Intel® Celeron® vs QNAP TS-251C NAS/storage server Tower Intel® Celeron®

65specifications compared
28differ
37identical
37known for one product only

Key differences

Number of storage drives supported
- TS-1253U NAS/storage server Rack (2U) Intel® Celeron®:12
- TS-251C NAS/storage server Tower Intel® Celeron®:2
Installed storage drive type
- TS-1253U NAS/storage server Rack (2U) Intel® Celeron®:No
- TS-251C NAS/storage server Tower Intel® Celeron®:HDD
Storage drive size
- TS-1253U NAS/storage server Rack (2U) Intel® Celeron®:2.5/3.5"
- TS-251C NAS/storage server Tower Intel® Celeron®:3.5"
RAID levels
- TS-1253U NAS/storage server Rack (2U) Intel® Celeron®:0, 10, 5, 6, 1
- TS-251C NAS/storage server Tower Intel® Celeron®:0, 1
Hot-swap drive bays
- TS-1253U NAS/storage server Rack (2U) Intel® Celeron®:Yes
- TS-251C NAS/storage server Tower Intel® Celeron®:No
Processor frequency
- TS-1253U NAS/storage server Rack (2U) Intel® Celeron®:2 GHz
- TS-251C NAS/storage server Tower Intel® Celeron®:2.41 GHz
Processor cores
- TS-1253U NAS/storage server Rack (2U) Intel® Celeron®:4
- TS-251C NAS/storage server Tower Intel® Celeron®:2
Internal memory
- TS-1253U NAS/storage server Rack (2U) Intel® Celeron®:4 GB
- TS-251C NAS/storage server Tower Intel® Celeron®:1 GB

Side by side

Differences highlightedShow differences only

Comparison of TS-1253U, TS-251C
102 specifications	A QNAP TS-1253U NAS/storage server Rack (2U) Intel® Celeron® Model TS-1253U View product	B QNAP TS-251C NAS/storage server Tower Intel® Celeron® Model TS-251C View product
Storage6 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	12	2
Installed storage drive typeDiffers	No	HDD
Supported storage drive types	HDD & SSD	HDD & SSD
Storage drive interfaceDiffers	Serial ATA II, Serial ATA III	Serial ATA III
Storage drive sizeDiffers	2.5/3.5"	3.5"
RAID support	Yes	Yes
RAID levelsDiffers	0, 10, 5, 6, 1	0, 1
Hot-swap drive baysDiffers	Yes	No
Supported file systems	ext3, ext4, FAT32, HFS+, NTFS	ext3, ext4, FAT32, HFS+, NTFS
Storage drive capacityKnown for one	Unknown — not stated by the source	0 GB
Processor2 differ
Processor family	Intel® Celeron®	Intel® Celeron®
Processor frequencyDiffers	2 GHz	2.41 GHz
Processor coresDiffers	4	2
Number of processors installedKnown for one	Unknown — not stated by the source	1
Memory1 differ
Internal memoryDiffers	4 GB	1 GB
Internal memory type	DDR3L	DDR3L
Maximum RAM supportedKnown for one	8 GB	Unknown — not stated by the source
Memory slotsKnown for one	2	Unknown — not stated by the source
Flash memory	512 MB	512 MB
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	1000 Mbit/s
Wi-Fi standardsKnown for one	802.11a, Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)	Unknown — not stated by the source
DHCP client	Yes	Yes
DHCP server	Yes	Yes
Jumbo frames support	Yes	Yes
iSCSI support	Yes	Yes
Wake-on-LAN ready	Yes	Yes
Link aggregationKnown for one	Yes	Unknown — not stated by the source
Supported network protocols	CIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC	CIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC
Wi-FiKnown for one	Unknown — not stated by the source	No
Ports & interfaces3 differ
Ethernet LAN (RJ-45) portsDiffers	4	1
USB 2.0 ports quantityDiffers	0	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	1
Fiber ports quantity	0	0
HDMI ports quantity	1	1
Design5 differ
Chassis typeDiffers	Rack (2U)	Tower
Cooling type	Active	Active
Product colourDiffers	Black, Grey	White
Housing materialKnown for one	Metal	Unknown — not stated by the source
Number of fansDiffers	2 fan(s)	1 fan(s)
Fan diameterDiffers	7 cm	6 cm
Drive bay lockingKnown for one	Yes	Unknown — not stated by the source
LED indicatorsDiffers	HDD, LAN, Status, USB	HDD, LAN, Power, Status, USB
Built-in display	No	No
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Performance1 differ
Type	NAS	NAS
Device classDiffers	Small & Medium Business	Home & Home Office
Backup function	Yes	Yes
Backup features	Cloud, iSCSI LUN	Cloud, iSCSI LUN
Buzzer	Yes	Yes
Multilingual support	Yes	Yes
Noise levelKnown for one	35.2 dB	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
Management protocolsKnown for one	SNMP v2 & v3	Unknown — not stated by the source
Share folder access right managementKnown for one	Yes	Unknown — not stated by the source
Web-based management	Yes	Yes
Access Control List (ACL)	Yes	Yes
Browser supportedKnown for one	Microsoft Internet Explorer 10+, Mozilla Firefox 8+, Apple Safari 4+, Google Chrome	Unknown — not stated by the source
Built-in FTP serverKnown for one	Yes	Unknown — not stated by the source
Built-in UPnP AV media serverKnown for one	Yes	Unknown — not stated by the source
Hot spareKnown for one	Yes	Unknown — not stated by the source
On/off switch	Yes	Yes
Password authenticationKnown for one	Yes	Unknown — not stated by the source
Reset button	Yes	Yes
S.M.A.R.T. supportKnown for one	Yes	Unknown — not stated by the source
Security algorithms	256-bit AES, FIPS 140-2, HTTPS, SSH, SSL/TLS	256-bit AES, FIPS 140-2, HTTPS, SSH, SSL/TLS
Share folderKnown for one	CIFS/SMB	Unknown — not stated by the source
System logKnown for one	Yes	Unknown — not stated by the source
Softwareidentical
Operating system installed	QNAP Turbo System	QNAP Turbo System
Operating system version	4.1	4.1
Windows operating systems supportedKnown for one	Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows Vista Enterprise, Windows XP Professional, Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Mac operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Server operating systems supportedKnown for one	Windows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2	Unknown — not stated by the source
Power4 differ
Power supply locationDiffers	Built-in	External
Power supply unit (PSU) capacityDiffers	250 W	60 W
Number of power supply units	1	1
Redundant power supply (RPS) supportKnown for one	No	Unknown — not stated by the source
Power consumption (typical)Differs	83.52 W	15.71 W
Power consumption (sleep)Differs	35.14 W	0.7 W
AC input voltage	100-240 V	100-240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Fan voltageKnown for one	12 V	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	482 mm	85 mm
DepthDiffers	534 mm	218.4 mm
HeightDiffers	89 mm	166.5 mm
WeightDiffers	16.1 kg	3.16 kg
Package weightKnown for one	19 kg	Unknown — not stated by the source
Packaging content1 differ
Cables includedDiffers	AC, LAN (RJ-45)	AC, LAN (RJ-45), SATA
Quick installation guide	Yes	Yes
Number of screwsKnown for one	84	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)Known for one	0 - 95%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
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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