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Product comparison · 2 nas & storage servers

Lenovo EMC px4-400r + 4x ST2000VN000 vs QNAP EXT1-TS-251-4G NAS/storage server Tower Intel® Celeron®

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  • 44specifications compared
  • 26differ
  • 18identical
  • 52known for one product only

Key differences

  • Storage drives installed
    • Yes
    • No
  • Number of storage drives installed
    • 4
    • 0
  • Number of storage drives supported
    • 4
    • 2
  • Storage drive capacity
    • 2 TB
    • 4 TB
  • Storage drive size
    • 3.5"
    • 2.5/3.5"
  • Maximum supported storage capacity
    • 16 TB
    • 8 TB
  • RAID levels
    • 0, 1, 5, 10
    • 0, 1, JBOD
  • Processor family
    • Intel Atom®
    • Intel® Celeron®

Side by side

Differences highlightedShow differences only
96 specifications
A

Lenovo

Lenovo EMC px4-400r + 4x ST2000VN000View product
B

QNAP

EXT1-TS-251-4G NAS/storage server Tower Intel® Celeron®

Model EXT1-TS-251-4G

View product
Storage8 differ
Storage drives installedDiffersYesNo
Number of storage drives installedDiffers40
Number of storage drives supportedDiffers42
Storage drive capacityDiffers2 TB4 TB
Storage drive interfaceDiffersSerial ATA IIISerial ATA, Serial ATA II, Serial ATA III
Storage drive sizeDiffers3.5"2.5/3.5"
Maximum supported storage capacityDiffers16 TB8 TB
RAID levelsDiffers0, 1, 5, 100, 1, JBOD
Installed storage drive typeKnown for oneHDD
HDD speedKnown for one5900 RPM
Processor2 differ
Processor familyDiffersIntel Atom®Intel® Celeron®
Processor frequencyDiffers2.13 GHz2.41 GHz
Processor modelKnown for oneD2701
L2 cacheKnown for one1 MB
Memory2 differ
Internal memoryDiffers2 GB4 GB
Internal memory typeDiffersDDR3DDR3L
Memory clock speedKnown for one1333 MHz
Flash memoryKnown for one512 MB
Networkidentical
iSCSI supportKnown for oneYes
Wake-on-LAN readyKnown for oneYes
Supported network protocolsKnown for oneCIFS/SMB/Rally (Microsoft), NFS (Linux/UNIX), AFP/Bonjour (Apple), FTP, SFTP, TFTP, HTTP, HTTPS, WebDAV, Windows DFS, SNMP
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers42
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers12
eSATA ports quantityKnown for one1
Design2 differ
Chassis typeDiffersRack (1U)Tower
Cooling typeKnown for oneActive
Product colourDiffersBlack, SilverWhite
Number of fansKnown for one1 fan(s)
Fan diameterKnown for one7 cm
LED indicatorsKnown for oneHDD, LAN, Status, USB
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Performance2 differ
Device classDiffersSmall & Medium BusinessHome & Home Office
Backup featuresDiffersCloud, iSCSI LUNCloud
BuzzerKnown for oneYes
Management protocolsKnown for oneCIFS/SMB, AFP, FTP
Share folder access right managementKnown for oneYes
Web-based managementKnown for oneYes
Access Control List (ACL)Known for oneYes
Browser supportedKnown for oneChrome, Firefox, IE, Safari
Built-in FTP serverKnown for oneYes
Built-in iTunes serverKnown for oneYes
On/off switchKnown for oneYes
Reset buttonKnown for oneYes
S.M.A.R.T. supportKnown for oneYes
Security algorithmsKnown for oneHTTPS, SSH
Share folderKnown for oneCIFS/SMB
Number of usersKnown for one75 user(s)
Noise levelKnown for one42.5 dB
Software2 differ
Operating system installedKnown for oneQNAP Turbo System
Operating system versionKnown for one4.1
Bundled softwareKnown for oneDropbox, Google Cloud Storage Sync, McAfee, WordPress, HappyGet II
Windows operating systems supportedDiffersYesWindows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64
Mac operating systems supportedDiffersMac OS X 10.10 Yosemite, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 MavericksYes
Server operating systems supportedKnown for oneWindows Server 2003, Windows Server 2003 R2, Windows Server 2003 x64
Pre-installed softwareKnown for oneChrome, IE 10+, Firefox, Safari
Poweridentical
Power supply locationKnown for oneExternal
Power supply unit (PSU) capacityKnown for one60 W
Number of power supply unitsKnown for one1
Power consumption (typical)Known for one19.22 W
Power consumption (sleep)Known for one0.47 W
Fan voltageKnown for one12 V
Power consumption (max)Known for one73.72 W
AC input frequencyKnown for one50 - 60 Hz
Weight & dimensions4 differ
WidthDiffers520.7 mm102 mm
DepthDiffers435 mm225 mm
HeightDiffers43.9 mm168.5 mm
WeightDiffers10 kg1.28 kg
Package widthKnown for one870 mm
Package depthKnown for one599.9 mm
Package heightKnown for one224 mm
Package weightKnown for one17.2 kg
Packaging contentidentical
External power adapterKnown for oneYes
Operational conditions2 differ
Operating temperature (T-T)Differs10 - 40 °C0 - 40 °C
Operating relative humidity (H-H)Differs8 - 85%5 - 95%
Operating altitudeKnown for one0 - 2286 m
Storage relative humidity (H-H)Known for one5 - 95%
Storage temperature (T-T)Known for one-40 - 60 °C

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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