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Product comparison · 2 nas & storage servers

Lenovo EMC px4-400d NAS Mini Tower Intel Atom® D2701 vs QNAP TS-879U NAS Rack (2U) Intel® Core™ i3 i3-3220

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  • 55specifications compared
  • 27differ
  • 28identical
  • 91known for one product only

Key differences

  • Total installed storage capacity
    • 4 TB
    • 16 TB
  • Number of storage drives installed
    • 1
    • 8
  • Number of storage drives supported
    • 4
    • 8
  • Supported storage drive types
    • HDD
    • HDD & SSD
  • Storage drive capacity
    • 4 TB
    • 2 TB
  • Storage drive size
    • 3.5"
    • 2.5/3.5"
  • RAID levels
    • 1, 5, 10
    • 0, 1, 5, 6, 10, JBOD
  • Processor family
    • Intel Atom®
    • Intel® Core™ i3

Side by side

Differences highlightedShow differences only
146 specifications
A

Lenovo

EMC px4-400d NAS Mini Tower Intel Atom® D2701

Model px4-400d

View product
B

QNAP

TS-879U NAS Rack (2U) Intel® Core™ i3 i3-3220

Model TS-879U

View product
Storage7 differ
Total installed storage capacityDiffers4 TB16 TB
Number of storage drives installedDiffers18
Number of storage drives supportedDiffers48
Supported storage drive typesDiffersHDDHDD & SSD
Storage drive capacityDiffers4 TB2 TB
Storage drive sizeDiffers3.5"2.5/3.5"
RAID levelsDiffers1, 5, 100, 1, 5, 6, 10, JBOD
Supported file systemsKnown for oneext3, ext4, FAT32, HFS+, NTFS
Processor3 differ
Processor manufacturerKnown for oneIntel
Processor familyDiffersIntel Atom®Intel® Core™ i3
Processor generationKnown for one3rd gen Intel® Core™ i3
Processor modelDiffersD2701i3-3220
Processor frequencyDiffers2.13 GHz3.3 GHz
Processor threadsKnown for one4
Processor cacheKnown for one3 MB
L3 cacheKnown for one3 MB
Bus typeKnown for oneDMI
CPU configuration (max)Known for one1
CPU multiplier (bus/core ratio)Known for one33
ECC supported by processorKnown for oneYes
PCI Express configurationsKnown for one1x16, 2x8
PCI Express slots versionKnown for one2.0
Processor cache typeKnown for oneSmart Cache
Processor codenameKnown for oneIvy Bridge
Processor lithographyKnown for one22 nm
Processor operating modesKnown for one64-bit
Processor package sizeKnown for one37.5 x 37.5 mm
Processor seriesKnown for oneIntel Core i3-3200 Desktop Series
Processor socketKnown for oneLGA 1155 (Socket H2)
System bus rateKnown for one5 GT/s
TcaseKnown for one65.3 °C
Thermal Design Power (TDP)Known for one55 W
On-board graphics card modelKnown for oneIntel® HD Graphics 2500
Maximum internal memory supported by processorKnown for one32 GB
Memory bandwidth supported by processor (max)Known for one25.6 GB/s
Conflict-Free processorKnown for oneYes
L2 cacheKnown for one1 MB
Memory2 differ
Internal memoryDiffers2 GB4 GB
Maximum RAM supportedDiffers2 GB16 GB
Flash memoryKnown for one512 MB
Network1 differ
DHCP serverKnown for oneYes
Jumbo frames supportKnown for oneYes
Supported network protocolsDiffersCIFS/SMB/Rally (Microsoft), NFS (Linux/UNIX), AFP/Bonjour (Apple), FTP, SFTP, TFTP, HTTP, HTTPS, WebDAV, Windows DFS, SNMPCIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC
Ports & interfaces2 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers12
VGA (D-Sub) ports quantityKnown for one1
eSATA ports quantityDiffers12
Serial ports quantityKnown for one1
Graphicsidentical
On-board graphics card IDKnown for one0x152
On-board graphics card base frequencyKnown for one650 MHz
On-board graphics card dynamic frequency (max)Known for one1050 MHz
Number of displays supported (on-board graphics)Known for one3
Design2 differ
Chassis typeDiffersMini TowerRack (2U)
Number of fansDiffers1 fan(s)2 fan(s)
Fan diameterKnown for one7 cm
Drive bay lockingKnown for oneYes
LED indicatorsKnown for oneeSATA, HDD, LAN, Status
Performance2 differ
Backup featuresKnown for oneCloud, iSCSI LUN
BuzzerKnown for oneYes
Multilingual supportKnown for oneYes
Number of usersDiffers75 user(s)4096 user(s)
Noise levelDiffers35 dB47.5 dB
Noise level (idle)Known for one45.8 dB
Web-based managementKnown for oneYes
Access Control List (ACL)Known for oneYes
On/off switchKnown for oneYes
Reset buttonKnown for oneYes
Security algorithmsKnown for one256-bit AES, FIPS 140-2, HTTPS, SSH
Software1 differ
Operating system installedKnown for oneLinux
Mac operating systems supportedDiffersMac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain LionYes
Server operating systems supportedKnown for oneWindows Server 2003, Windows Server 2008 R2, Windows Server 2012
Power2 differ
Power supply unit (PSU) capacityKnown for one300 W
Number of power supply unitsDiffers12
AC input frequencyDiffers50 - 60 Hz47/63 Hz
Fan voltageKnown for one12 V
Power consumption (max)Known for one100 W
Power consumption (typical)Known for one55 W
Power consumption (sleep)Known for one35 W
Weight & dimensions3 differ
WidthDiffers184.2 mm482 mm
DepthDiffers215.9 mm534 mm
HeightDiffers234.9 mm89 mm
Processor special featuresidentical
Embedded options availableKnown for oneYes
Enhanced Intel SpeedStep TechnologyKnown for oneYes
Execute Disable BitKnown for oneYes
Idle StatesKnown for oneYes
Intel 64Known for oneYes
Intel Enhanced Halt StateKnown for oneYes
Intel FDI TechnologyKnown for oneYes
Intel Fast Memory AccessKnown for oneYes
Intel Flex Memory AccessKnown for oneYes
Intel Identity Protection Technology versionKnown for one1.00
Intel Secure Key Technology versionKnown for one0.00
Intel Trusted Execution TechnologyKnown for oneNo
Intel VT-x with Extended Page Tables (EPT)Known for oneYes
Intel Virtualization Technology (VT-x)Known for oneYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneNo
Intel® AES New Instructions (Intel® AES-NI)Known for oneNo
Intel® Anti-Theft Technology (Intel® AT)Known for oneYes
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneYes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneYes
Intel® Identity Protection Technology (Intel® IPT)Known for oneYes
Intel® InTru™ 3D TechnologyKnown for oneYes
Intel® Insider™Known for oneYes
Intel® My WiFi Technology (Intel® MWT)Known for oneYes
Intel® Quick Sync Video TechnologyKnown for oneYes
Intel® Secure KeyKnown for oneNo
Intel® Turbo Boost TechnologyKnown for oneNo
Intel® Wireless Display (Intel® WiDi)Known for oneYes
Thermal Monitoring TechnologiesKnown for oneYes
Thermal solution specificationKnown for onePCG 2011C
Memory channels supported by processorKnown for oneDual
Memory types supported by processorKnown for oneDDR3-SDRAM
Operational conditions2 differ
Operating temperature (T-T)Differs10 - 40 °C0 - 40 °C
Operating relative humidity (H-H)Differs8 - 85%5 - 95%
Non-operating altitudeKnown for one0 - 12192 m
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
Other featuresidentical
Processor ARK IDKnown for one65693

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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