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Product comparison · 2 nas & storage servers

QNAP TS-421U + 4x 2TBWDRED vs QNAP TS-870 32TB

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  • 58specifications compared
  • 19differ
  • 39identical
  • 25known for one product only

Key differences

  • Total installed storage capacity
    • 8 TB
    • 32 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
    • 4 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
83 specifications
A

QNAP

TS-421U + 4x 2TBWDREDView product
B

QNAP

TS-870 32TBView product
Storage6 differ
Storage drives installedYesYes
Total installed storage capacityDiffers8 TB32 TB
Number of storage drives installedDiffers48
Number of storage drives supportedDiffers48
Installed storage drive typeHDDHDD
Supported storage drive typesDiffersHDDHDD & SSD
Storage drive capacityDiffers2 TB4 TB
Storage drive interfaceDiffersSerial ATA, Serial ATA IISerial ATA II, Serial ATA III
Storage drive size2.5/3.5"2.5/3.5"
RAID supportYesYes
RAID levels0, 1, 5, 6, 10, JBOD0, 1, 5, 6, 10, JBOD
Hot-swap drive baysYesYes
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
Internal memory typeDDR3DDR3
Maximum RAM supportedKnown for one16 GB
Flash memory512 MB512 MB
Network1 differ
Ethernet LANYesYes
Ethernet LAN data ratesDiffers10,100,1000 Mbit/s1000 Mbit/s
Wi-FiNoNo
DHCP clientYesYes
DHCP serverYesYes
Jumbo frames supportYesYes
iSCSI supportYesYes
Wake-on-LAN readyYesYes
Supported network protocolsCIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSCCIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC
Ports & interfaces2 differ
Ethernet LAN (RJ-45) portsDiffers24
USB 2.0 ports quantityDiffers23
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Fiber ports quantity00
eSATA ports quantity22
HDMI ports quantityKnown for one1
Design2 differ
Chassis typeDiffersRack (1U)Tower
Cooling typeActiveActive
Product colourBlackBlack
Number of fans2 fan(s)2 fan(s)
Fan diameterDiffers4 cm12 cm
Drive bay lockingKnown for oneYes
LED indicatorsHDD, LAN, Status, USBHDD, LAN, Status, USB
Built-in displayKnown for oneYes
Display typeKnown for oneLCD
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Performance1 differ
TypeNASNAS
Device classSmall & Medium BusinessSmall & Medium Business
Backup functionYesYes
Backup featuresKnown for oneCloud, iSCSI LUN
BuzzerYesYes
Multilingual supportYesYes
Web-based managementKnown for oneYes
Access Control List (ACL)Known for oneYes
On/off switchYesYes
Reset buttonYesYes
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 locationBuilt-inBuilt-in
Power supply unit (PSU) capacityDiffers250 W350 W
Number of power supply units11
Power consumption (typical)Known for one59.9 W
Power consumption (sleep)Known for one29.1 W
Power consumption (off)Known for one1 W
AC input voltage100-240 V100-240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Fan voltageKnown for one12 V
Weight & dimensions3 differ
WidthDiffers439 mm298.2 mm
DepthDiffers483 mm235.4 mm
HeightDiffers44 mm185.2 mm
Packaging contentidentical
Cables includedAC, LAN (RJ-45)AC, LAN (RJ-45)
Quick installation guideYesYes
External power adapterKnown for oneNo
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
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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