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Product comparison · 2 nas & storage servers

QNAP TS-421U + 4x 2TBWDRED vs QNAP TS-870 24TB

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  • 58specifications compared
  • 19differ
  • 39identical
  • 26known for one product only

Key differences

  • Total installed storage capacity
    • 8 TB
    • 24 TB
  • Number of storage drives installed
    • 4
    • 8
  • Number of storage drives supported
    • 4
    • 8
  • Supported storage drive types
    • HDD
    • HDD & SSD
  • Storage drive capacity
    • 2 TB
    • 3 TB
  • Processor frequency
    • 2 GHz
    • 2.6 GHz
  • Internal memory
    • 1 GB
    • 2 GB
  • Ethernet LAN data rates
    • 10,100,1000 Mbit/s
    • 1000 Mbit/s

Side by side

Differences highlightedShow differences only
84 specifications
A

QNAP

TS-421U + 4x 2TBWDREDView product
B

QNAP

TS-870 24TBView product
Storage6 differ
Total installed storage capacityDiffers8 TB24 TB
Number of storage drives installedDiffers48
Number of storage drives supportedDiffers48
Supported storage drive typesDiffersHDDHDD & SSD
Storage drive capacityDiffers2 TB3 TB
Storage drive interfaceDiffersSerial ATA, Serial ATA IISerial ATA II, Serial ATA III
HDD speedKnown for one7200 RPM
Supported file systemsKnown for oneext3, ext4, FAT32, HFS+, NTFS
Processor1 differ
Processor frequencyDiffers2 GHz2.6 GHz
Processor coresKnown for one2
Number of processors installedKnown for one1
Processor familyKnown for oneMarvell
Memory1 differ
Internal memoryDiffers1 GB2 GB
Maximum RAM supportedKnown for one16 GB
Network1 differ
Ethernet LAN data ratesDiffers10,100,1000 Mbit/s1000 Mbit/s
Ports & interfaces2 differ
Ethernet LAN (RJ-45) portsDiffers24
USB 2.0 ports quantityDiffers23
HDMI ports quantityKnown for one1
Design2 differ
Chassis typeDiffersRack (1U)Tower
Fan diameterDiffers4 cm12 cm
Drive bay lockingKnown for oneYes
Built-in displayKnown for oneYes
Display typeKnown for oneLCD
Performance1 differ
Backup featuresKnown for oneCloud, iSCSI LUN
Web-based managementKnown for oneYes
Access Control List (ACL)Known for oneYes
Security algorithmsDiffersHTTPS, SSH, SSL/TLS256-bit AES, FIPS 140-2, HTTPS, SNMP, SSH, SSL/TLS
Number of usersKnown for one4096 user(s)
Software1 differ
Operating system installedDiffersQNAP Turbo SystemLinux
Windows operating systems supportedKnown for oneWindows 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 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 P
Linux operating systems supportedKnown for oneYes
Mac operating systems supportedKnown for oneYes
Server operating systems supportedKnown for oneWindows Server 2003, Windows Server 2003 R2, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 x64, Windows Server 2012, Windows Server 2012 R2
Other operating systems supportedKnown for oneAndroid
Power1 differ
Power supply unit (PSU) capacityDiffers250 W350 W
Power consumption (typical)Known for one59.9 W
Power consumption (sleep)Known for one29.1 W
Power consumption (off)Known for one1 W
Fan voltageKnown for one12 V
Weight & dimensions3 differ
WidthDiffers439 mm298.2 mm
DepthDiffers483 mm235.4 mm
HeightDiffers44 mm185.2 mm
Packaging contentidentical
External power adapterKnown for oneNo
Operational conditionsidentical
Storage relative humidity (H-H)Known for one5 - 95%
Operating relative humidity (H-H)Known for one5 - 95%

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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