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Product comparison · 2 nas & storage servers

QNAP TS-873U-4G NAS Rack (2U) RX-421ND vs QNAP TS-877XU-RP NAS Rack (2U) AMD Ryzen™ 3 1200

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  • 78specifications compared
  • 23differ
  • 55identical
  • 40known for one product only

Key differences

  • Storage drives installed
    • Yes
    • No
  • Total installed storage capacity
    • 16000 TB
    • 0 TB
  • Number of storage drives installed
    • 8
    • 0
  • Installed storage drive type
    • HDD
    • No
  • RAID levels
    • 0, 1, 5, 6, 10, JBOD
    • 0, 1, 5, 6, 10, 50, JBOD
  • Processor model
    • RX-421ND
    • 1200
  • Processor frequency
    • 2.1 GHz
    • 3.1 GHz
  • Memory form factor
    • UDIMM
    • DIMM

Side by side

Differences highlightedShow differences only
118 specifications
A

QNAP

TS-873U-4G NAS Rack (2U) RX-421ND

Model TS-873U-4G

View product
B

QNAP

TS-877XU-RP NAS Rack (2U) AMD Ryzen™ 3 1200

Model TS-877XU-RP

View product
Storage5 differ
Storage drives installedDiffersYesNo
Total installed storage capacityDiffers16000 TB0 TB
Number of storage drives installedDiffers80
Number of storage drives supported88
Installed storage drive typeDiffersHDDNo
Supported storage drive typesHDD & SSDHDD & SSD
Supported storage drive interfacesKnown for oneSerial ATA III
Storage drive sizes supportedKnown for one2.5,3.5"
RAID supportYesYes
RAID levelsDiffers0, 1, 5, 6, 10, JBOD0, 1, 5, 6, 10, 50, JBOD
Online RAID migrationKnown for oneYes
Online RAID expansionKnown for oneYes
RAID rebuildKnown for oneYes
Hot-swap drive baysYesYes
Supported file systemsFAT32, HFS+, NTFS, exFAT, ext3, ext4FAT32, HFS+, NTFS, exFAT, ext3, ext4
Bad block scanYesYes
Disk roamingKnown for oneYes
Storage drive capacityKnown for one2 TB
Storage drive interfaceKnown for oneSerial ATA III
Storage drive sizeKnown for one2.5/3.5"
Processor2 differ
Processor familyKnown for oneAMD Ryzen™ 3
Processor modelDiffersRX-421ND1200
Processor frequencyDiffers2.1 GHz3.1 GHz
Processor boost frequency3.4 GHz3.4 GHz
Processor coresKnown for one4
Processor threadsKnown for one4
CPU configuration (max)Known for one1
Processor operating modesKnown for one64-bit
Memory1 differ
Internal memory4 GB4 GB
Internal memory typeDDR4DDR4
Maximum RAM supported64 GB64 GB
Memory form factorDiffersUDIMMDIMM
Memory slots44
Flash memoryKnown for one512 MB
Network1 differ
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000,10000 Mbit/s10,100,1000,10000 Mbit/s
Ethernet LAN data rate supported (max)Known for one10000 Mbit/s
Wi-FiNoNo
DHCP clientYesYes
DHCP serverYesYes
Jumbo frames supportYesYes
iSCSI supportYesYes
Wake-on-LAN readyYesYes
Dynamic DNS (DDNS)YesYes
Supported network protocolsDiffersIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSCTCP/IP, IPv4, IPv6, NAT, STP, SSH, Telnet, HTTP(S), FTP, CIFS/SMB, AFP
Link aggregationKnown for oneYes
Ports & interfaces4 differ
Ethernet LAN (RJ-45) portsDiffers42
USB portYesYes
USB 2.0 ports quantityDiffers40
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers24
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one1
Fiber ports quantity22
Fiber optic connectorSFP+SFP+
PCI Express x4 (Gen 3.x) slotsDiffers12
PCI Express x8 (Gen 3.x) slotsKnown for one2
Designidentical
Chassis typeRack (2U)Rack (2U)
Cooling typeActiveActive
Product colourBlackBlack
Number of fans2 fan(s)2 fan(s)
Fan diameter7 cm7 cm
Fan diameter 2Known for one7 cm
LED indicatorsYesYes
Built-in displayKnown for oneNo
Performance3 differ
TypeNASNAS
Device classSmall & Medium BusinessSmall & Medium Business
Backup functionYesYes
Backup featuresDiffersCloud, USB drive, iSCSI LUNCloud, iSCSI LUN
Multilingual supportYesYes
Noise levelKnown for one37.7 dB
Third-party supportKnown for oneYes
Built-in optical driveKnown for oneNo
Card reader integratedKnown for oneNo
SnapshotKnown for oneYes
Management protocolsKnown for oneSNMP
Share folder access right managementYesYes
Web-based managementYesYes
Access Control List (ACL)YesYes
Browser supportedDiffersInternet Explorer 10, Firefox 8, Safari 4, Google ChromeMicrosoft Internet Exploer 10, Mozilla Firefox, Google Chrome, Apple Safari 7+
Built-in BitTorrent clientKnown for oneYes
Built-in FTP serverYesYes
Built-in iTunes serverYesYes
Disk scanKnown for oneYes
Hot spareYesYes
Password authenticationYesYes
S.M.A.R.T. supportYesYes
Security algorithmsDiffers256-bit AES, FIPS 140-2, SNMP, SNMPv3, SSL/TLS256-bit AES, FIPS 140-2
Share folderCIFS/SMBCIFS/SMB
System logYesYes
Universal Plug and Play (UPnP)YesYes
On/off switchKnown for oneYes
Reset buttonKnown for oneYes
Software1 differ
Operating system installedQNAP Turbo SystemQNAP Turbo System
Operating system versionDiffers4.34.3.4
Windows operating systems supportedKnown for oneWindows 10, Windows 7, Windows 8
Linux operating systems supportedKnown for oneYes
Mac operating systems supportedKnown for oneMac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Server operating systems supportedKnown for oneWindows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
Power3 differ
Power supply locationBuilt-inBuilt-in
Power supply unit (PSU) capacityDiffers250 W300 W
Number of power supply unitsDiffers12
Redundant power supply (RPS) supportKnown for oneYes
Power consumption (typical)Known for one86.04 W
AC input voltageDiffers100 - 240 V100-240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Fan voltage12 V12 V
Weight & dimensions3 differ
Width482 mm482 mm
DepthDiffers534 mm562 mm
HeightDiffers89 mm88.3 mm
WeightDiffers9.85 kg13.3 kg
Packaging contentidentical
Cables includedAC, LAN (RJ-45)AC, LAN (RJ-45)
Quick installation guideYesYes
Number of screws5656
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Operating relative humidity (H-H)5 - 95%5 - 95%
Logistics dataidentical
Harmonized System (HS) codeKnown for one84714100
Other featuresidentical
Compliance certificatesKnown for oneRoHS
Digital Living Network Alliance (DLNA) certifiedYesYes

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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