Product comparison · 2 nas & storage servers

QNAP TS-851 + 2X 0S03674 vs QNAP TS-853S PRO + 2X 0S03674

60specifications compared
9differ
51identical
18known for one product only

Key differences

Processor frequency
- TS-851 + 2X 0S03674:2.41 GHz
- TS-853S PRO + 2X 0S03674:2 GHz
Internal memory type
- TS-851 + 2X 0S03674:DDR3L
- TS-853S PRO + 2X 0S03674:DDR3
Flash memory
- TS-851 + 2X 0S03674:512 MB
- TS-853S PRO + 2X 0S03674:16 MB
Ethernet LAN (RJ-45) ports
- TS-851 + 2X 0S03674:2
- TS-853S PRO + 2X 0S03674:4
Chassis type
- TS-851 + 2X 0S03674:Tower
- TS-853S PRO + 2X 0S03674:Desktop
Device class
- TS-851 + 2X 0S03674:Home & Home Office
- TS-853S PRO + 2X 0S03674:Small & Medium Business
Width
- TS-851 + 2X 0S03674:298.2 mm
- TS-853S PRO + 2X 0S03674:185.2 mm
Depth
- TS-851 + 2X 0S03674:235.4 mm
- TS-853S PRO + 2X 0S03674:298.2 mm

Side by side

Differences highlightedShow differences only

Comparison of TS-851 + 2X 0S03674, TS-853S PRO + 2X 0S03674
78 specifications	A QNAP TS-851 + 2X 0S03674 View product	B QNAP TS-853S PRO + 2X 0S03674 View product
Storageidentical
Maximum supported storage capacityKnown for one	Unknown — not stated by the source	3000 TB
Storage drive capacityKnown for one	3 TB	Unknown — not stated by the source
Supported file systemsKnown for one	ext3, ext4, FAT32, HFS+, NTFS	Unknown — not stated by the source
Processor1 differ
Processor frequencyDiffers	2.41 GHz	2 GHz
Memory2 differ
Internal memory typeDiffers	DDR3L	DDR3
Flash memoryDiffers	512 MB	16 MB
Maximum RAM supportedKnown for one	8 GB	Unknown — not stated by the source
Memory slotsKnown for one	2	Unknown — not stated by the source
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsDiffers	2	4
Design1 differ
Chassis typeDiffers	Tower	Desktop
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Performance1 differ
Device classDiffers	Home & Home Office	Small & Medium Business
Backup featuresKnown for one	Unknown — not stated by the source	Cloud, iSCSI LUN
BuzzerKnown for one	Unknown — not stated by the source	Yes
Multilingual supportKnown for one	Unknown — not stated by the source	Yes
Number of usersKnown for one	Unknown — not stated by the source	4096 user(s)
MAC address filteringKnown for one	Unknown — not stated by the source	Yes
Management protocolsKnown for one	SNMP, Telnet	Unknown — not stated by the source
Security algorithmsKnown for one	FIPS 140-2, HTTPS, SSH, SSL/TLS	Unknown — not stated by the source
Softwareidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Other operating systems supportedKnown for one	Unknown — not stated by the source	Android
Poweridentical
Number of power supply unitsKnown for one	1	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	298.2 mm	185.2 mm
DepthDiffers	235.4 mm	298.2 mm
HeightDiffers	185.2 mm	235 mm

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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