Product comparison · 2 nas & storage servers

Fujitsu CELVIN NAS Q905 Tower vs NETGEAR ReadyNAS 3138

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  • 25specifications compared
  • 14differ
  • 11identical
  • 82known for one product only

Key differences

  • Total installed storage capacity
    • CELVIN NAS Q905 Tower:24 TB
    • ReadyNAS 3138:16 TB
  • Number of storage drives installed
    • CELVIN NAS Q905 Tower:6
    • ReadyNAS 3138:4
  • Number of storage drives supported
    • CELVIN NAS Q905 Tower:6
    • ReadyNAS 3138:4
  • Supported storage drive types
    • CELVIN NAS Q905 Tower:HDD
    • ReadyNAS 3138:HDD & SSD
  • Storage drive size
    • CELVIN NAS Q905 Tower:3.5"
    • ReadyNAS 3138:2.5/3.5"
  • Maximum supported storage capacity
    • CELVIN NAS Q905 Tower:36 TB
    • ReadyNAS 3138:32 TB
  • USB 2.0 ports quantity
    • CELVIN NAS Q905 Tower:2
    • ReadyNAS 3138:1
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • CELVIN NAS Q905 Tower:3
    • ReadyNAS 3138:2

Side by side

Differences highlightedShow differences only (on)
Comparison of Q905, ReadyNAS 3138
107 specifications
Storage8 differ
Total installed storage capacityDiffers24 TB16 TB
Number of storage drives installedDiffers64
Number of storage drives supportedDiffers64
Supported storage drive typesDiffersHDDHDD & SSD
Storage drive interfaceDiffersSerial ATA, Serial ATA II, Serial ATA IIISerial ATA
Storage drive sizeDiffers3.5"2.5/3.5"
Maximum supported storage capacityDiffers36 TB32 TB
RAID levelsDiffers0, 1, 5+HS, 5, 5+1, 6, 10, JBOD0, 1, 5, 6, 10, JBOD
Supported file systemsKnown for oneUnknown — not stated by the sourceFAT32, HFS+, NTFS, ext3, ext4
Processoridentical
Processor manufacturerKnown for oneUnknown — not stated by the sourceIntel
Processor familyKnown for oneUnknown — not stated by the sourceIntel Atom®
Processor modelKnown for oneUnknown — not stated by the sourceC2558
Processor frequencyKnown for oneUnknown — not stated by the source2.4 GHz
Processor coresKnown for oneUnknown — not stated by the source4
Processor threadsKnown for oneUnknown — not stated by the source4
Processor cacheKnown for oneUnknown — not stated by the source2 MB
ECC supported by processorKnown for oneUnknown — not stated by the sourceYes
PCI Express slots versionKnown for oneUnknown — not stated by the source2.0
Physical Address Extension (PAE)Known for oneUnknown — not stated by the source36 bit
Processor cache typeKnown for oneUnknown — not stated by the sourceL3
Processor codeKnown for oneUnknown — not stated by the sourceSR1CZ
Processor lithographyKnown for oneUnknown — not stated by the source22 nm
Processor operating modesKnown for oneUnknown — not stated by the source32-bit, 64-bit
Processor package sizeKnown for oneUnknown — not stated by the source34 x 28 mm
Processor socketKnown for oneUnknown — not stated by the sourceBGA 1283
SteppingKnown for oneUnknown — not stated by the sourceB0
Thermal Design Power (TDP)Known for oneUnknown — not stated by the source15 W
Maximum internal memory supported by processorKnown for oneUnknown — not stated by the source64 GB
Conflict-Free processorKnown for oneUnknown — not stated by the sourceNo
Memoryidentical
Internal memoryKnown for oneUnknown — not stated by the source4 GB
Memory form factorKnown for oneUnknown — not stated by the sourceUDIMM
Flash memoryKnown for oneUnknown — not stated by the source128 MB
Networkidentical
Wi-FiKnown for oneUnknown — not stated by the sourceNo
DHCP clientKnown for oneUnknown — not stated by the sourceYes
Jumbo frames supportKnown for oneUnknown — not stated by the sourceYes
Wake-on-LAN readyKnown for oneUnknown — not stated by the sourceYes
Supported network protocolsKnown for oneUnknown — not stated by the sourceTCP/IP, IPv4, IPv6, NTP
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers21
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers32
Fiber ports quantityKnown for oneUnknown — not stated by the source0
eSATA ports quantityDiffers12
Design3 differ
Chassis typeDiffersTowerRack (1U)
Cooling typeKnown for oneUnknown — not stated by the sourceActive
Product colourDiffersBlackBlack, Grey
Number of fansKnown for oneUnknown — not stated by the source3 fan(s)
Fan diameterKnown for oneUnknown — not stated by the source4 cm
LED indicatorsDiffersLAN, Status, USBActivity, HDD, LAN, Power
Drive bay lockingKnown for oneYesUnknown — not stated by the source
Built-in displayKnown for oneYesUnknown — not stated by the source
Display typeKnown for oneLCDUnknown — not stated by the source
Performanceidentical
Number of usersKnown for oneUnknown — not stated by the source8192 user(s)
Noise levelKnown for oneUnknown — not stated by the source28 dB
Management protocolsKnown for oneUnknown — not stated by the sourceSNMP v2, v3
Access Control List (ACL)Known for oneUnknown — not stated by the sourceYes
Built-in iTunes serverKnown for oneUnknown — not stated by the sourceYes
S.M.A.R.T. supportKnown for oneUnknown — not stated by the sourceYes
Security algorithmsKnown for oneUnknown — not stated by the source256-bit AES
On/off switchKnown for oneYesUnknown — not stated by the source
Softwareidentical
Operating system installedKnown for oneUnknown — not stated by the sourceReadyNAS OS
Operating system versionKnown for oneUnknown — not stated by the source6.4
Windows operating systems supportedKnown for oneUnknown — not stated by the sourceWindows 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 supportedKnown for oneUnknown — not stated by the sourceYes
Mac operating systems supportedKnown for oneUnknown — not stated by the sourceMac 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 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Server operating systems supportedKnown for oneUnknown — not stated by the sourceWindows Server 2008 R2, Windows Server 2012
Other operating systems supportedKnown for oneUnknown — not stated by the sourceAndroid, iOS
Poweridentical
Power supply locationKnown for oneUnknown — not stated by the sourceBuilt-in
Power supply unit (PSU) capacityKnown for oneUnknown — not stated by the source180 W
Number of power supply unitsKnown for oneUnknown — not stated by the source1
Power consumption (typical)Known for oneUnknown — not stated by the source55 W
Power consumption (off)Known for oneUnknown — not stated by the source0.3 W
AC input voltageKnown for oneUnknown — not stated by the source100-240 V
AC input frequencyKnown for oneUnknown — not stated by the source50 - 60 Hz
Weight & dimensionsidentical
WidthKnown for oneUnknown — not stated by the source486 mm
DepthKnown for oneUnknown — not stated by the source406 mm
HeightKnown for oneUnknown — not stated by the source44 mm
WeightKnown for oneUnknown — not stated by the source5.21 kg
Processor special featuresidentical
Embedded options availableKnown for oneUnknown — not stated by the sourceYes
Execute Disable BitKnown for oneUnknown — not stated by the sourceYes
Graphics & IMC lithographyKnown for oneUnknown — not stated by the source22 nm
Intel 64Known for oneUnknown — not stated by the sourceYes
Intel QuickAssist TechnologyKnown for oneUnknown — not stated by the sourceYes
Intel VT-x with Extended Page Tables (EPT)Known for oneUnknown — not stated by the sourceYes
Intel Virtualization Technology (VT-x)Known for oneUnknown — not stated by the sourceYes
Intel® AES New Instructions (Intel® AES-NI)Known for oneUnknown — not stated by the sourceYes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneUnknown — not stated by the sourceNo
Intel® Turbo Boost TechnologyKnown for oneUnknown — not stated by the sourceNo
Maximum number of PCI Express lanesKnown for oneUnknown — not stated by the source16
Physical Address Extension (PAE)Known for oneUnknown — not stated by the sourceYes
UARTKnown for oneUnknown — not stated by the sourceYes
Memory channels supported by processorKnown for oneUnknown — not stated by the sourceDual
Memory types supported by processorKnown for oneUnknown — not stated by the sourceDDR3-SDRAM, DDR3L-SDRAM
Operational conditionsidentical
Operating temperature (T-T)Known for oneUnknown — not stated by the source0 - 40 °C
Operating relative humidity (H-H)Known for oneUnknown — not stated by the source5 - 95%
Other featuresidentical
Compliance certificatesKnown for oneUnknown — not stated by the sourceRoHS
CertificationKnown for oneUnknown — not stated by the sourceFCC Cl.B, CE Cl.B, VCCI Cl.B
Processor ARK IDKnown for oneUnknown — not stated by the source77983

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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