Product comparison · 2 nas & storage servers

QNAP TS-1635AX-8G/120TB-IWPRO 16 Bay NAS vs QNAP TS-873U-RP-16G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND

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  • 62specifications compared
  • 26differ
  • 36identical
  • 54known for one product only

Key differences

The QNAP TS-1635AX-8G/120TB-IWPRO 16 Bay NAS has 6 more storage drives supported than the QNAP TS-873U-RP-16G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND (16 vs 10). The QNAP TS-873U-RP-16G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND has 0.5 GHz more processor frequency than the QNAP TS-1635AX-8G/120TB-IWPRO 16 Bay NAS (2.1 GHz vs 1.6 GHz). The QNAP TS-873U-RP-16G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND has 12 GB more internal memory than the QNAP TS-1635AX-8G/120TB-IWPRO 16 Bay NAS (16 GB vs 4 GB). Only the QNAP TS-1635AX-8G/120TB-IWPRO 16 Bay NAS has built-in display. RAID levels: 0, 1, 5, 6, 10, 60, JBOD on the QNAP TS-1635AX-8G/120TB-IWPRO 16 Bay NAS, 0, 1, 5, 6, 10, JBOD on the QNAP TS-873U-RP-16G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND.

  • Number of storage drives supported
    • TS-1635AX-8G/120TB-IWPRO 16 Bay NAS:16
    • TS-873U-RP-16G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND:10
  • RAID levels
    • TS-1635AX-8G/120TB-IWPRO 16 Bay NAS:0, 1, 5, 6, 10, 60, JBOD
    • TS-873U-RP-16G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND:0, 1, 5, 6, 10, JBOD
  • Processor frequency
    • TS-1635AX-8G/120TB-IWPRO 16 Bay NAS:1.6 GHz
    • TS-873U-RP-16G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND:2.1 GHz
  • Internal memory
    • TS-1635AX-8G/120TB-IWPRO 16 Bay NAS:4 GB
    • TS-873U-RP-16G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND:16 GB
  • Maximum RAM supported
    • TS-1635AX-8G/120TB-IWPRO 16 Bay NAS:16 GB
    • TS-873U-RP-16G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND:64 GB
  • Ethernet LAN (RJ-45) ports
    • TS-1635AX-8G/120TB-IWPRO 16 Bay NAS:2
    • TS-873U-RP-16G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND:4
  • USB 2.0 ports quantity
    • TS-1635AX-8G/120TB-IWPRO 16 Bay NAS:0
    • TS-873U-RP-16G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND:4
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • TS-1635AX-8G/120TB-IWPRO 16 Bay NAS:3
    • TS-873U-RP-16G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND:2

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Differences highlightedShow differences only (on)
Comparison of TS-1635AX-8G/120TB-IWPRO 16 Bay NAS, TS-873U-RP-16G
116 specifications
Storage4 differ
Total installed storage capacityKnown for oneUnknown — not stated by the source16 TB
Number of storage drives installedKnown for oneUnknown — not stated by the source8
Number of storage drives supportedDiffers1610
Storage drive capacityKnown for oneUnknown — not stated by the source2 TB
Storage drive interfaceKnown for oneUnknown — not stated by the sourceSerial ATA III
Supported storage drive interfacesDiffersSerial ATA, Serial ATA II, Serial ATA IIIM.2, Serial ATA III
RAID levelsDiffers0, 1, 5, 6, 10, 60, JBOD0, 1, 5, 6, 10, JBOD
Online RAID migrationKnown for oneUnknown — not stated by the sourceYes
Online RAID expansionKnown for oneUnknown — not stated by the sourceYes
Supported file systemsDiffersFAT32, HFS+, exFAT, ext3, ext4FAT32, HFS+, NTFS, ext3, ext4
Bad block scanKnown for oneUnknown — not stated by the sourceYes
Processor1 differ
Processor familyKnown for oneUnknown — not stated by the sourceAMD Embedded R-Series SoC
Processor modelKnown for oneUnknown — not stated by the sourceRX-421ND
Processor frequencyDiffers1.6 GHz2.1 GHz
Processor boost frequencyKnown for oneUnknown — not stated by the source3.4 GHz
Processor coresKnown for oneUnknown — not stated by the source4
Processor architectureKnown for oneARM Cortex-A7Unknown — not stated by the source
PCI Express slots versionKnown for one3.0Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers4 GB16 GB
Maximum RAM supportedDiffers16 GB64 GB
Memory form factorKnown for oneUnknown — not stated by the sourceUDIMM
Memory slotsKnown for oneUnknown — not stated by the source4
Flash memoryKnown for oneUnknown — not stated by the source512 MB
Networkidentical
Wi-FiKnown for oneUnknown — not stated by the sourceNo
Jumbo frames supportKnown for oneUnknown — not stated by the sourceYes
Supported network protocolsKnown for oneUnknown — not stated by the sourceCIFS/SMB, AFP (v3.3), NFS (v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC
Ports & interfaces3 differ
Ethernet LAN (RJ-45) portsDiffers24
USB 2.0 ports quantityDiffers04
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers32
PCI Express x4 (Gen 3.x) slotsKnown for oneUnknown — not stated by the source1
3.5 mm (1/8-inch) outKnown for oneYesUnknown — not stated by the source
Design6 differ
Chassis typeDiffersDesktopRack (2U)
Product colourDiffersBlackBlack, Grey
Number of fansDiffers4 fan(s)2 fan(s)
Fan diameterDiffers9.2 cm7 cm
LED indicatorsDiffersYesLAN, Power, Status, USB
Built-in displayDiffersYesNo
Fan diameter 2Known for one6 cmUnknown — not stated by the source
Display typeKnown for oneLCDUnknown — not stated by the source
Cable lock slotKnown for oneYesUnknown — not stated by the source
Cable lock slot typeKnown for oneKensingtonUnknown — not stated by the source
Built-in speaker(s)Known for oneYesUnknown — not stated by the source
Number of built-in speakersKnown for one1Unknown — not stated by the source
Performance2 differ
Multilingual supportKnown for oneUnknown — not stated by the sourceYes
Third-party supportKnown for oneUnknown — not stated by the sourceYes
Built-in optical driveKnown for oneUnknown — not stated by the sourceNo
Card reader integratedKnown for oneUnknown — not stated by the sourceNo
Access Control List (ACL)Known for oneUnknown — not stated by the sourceYes
Browser supportedDiffersApple Safari 7, Google Chrome, Microsoft Internet Explorer 10, Mozilla FirefoxInternet Explorer 10+, Chrome, Safari 7+, Firefox
Built-in iTunes serverKnown for oneUnknown — not stated by the sourceYes
Disk scanKnown for oneUnknown — not stated by the sourceYes
Password authenticationKnown for oneUnknown — not stated by the sourceYes
S.M.A.R.T. supportKnown for oneUnknown — not stated by the sourceYes
Security algorithmsDiffers256-bit AES256-bit AES, FIPS 140-2, HTTPS, SNMP, SSH, SSL/TLS
Share folderKnown for oneUnknown — not stated by the sourceCIFS/SMB
System logKnown for oneUnknown — not stated by the sourceYes
Universal Plug and Play (UPnP)Known for oneUnknown — not stated by the sourceYes
BuzzerKnown for oneYesUnknown — not stated by the source
Noise levelKnown for one23 dBUnknown — not stated by the source
Reset buttonKnown for oneYesUnknown — not stated by the source
Software3 differ
Operating system installedKnown for oneUnknown — not stated by the sourceQNAP Turbo System
Operating system versionDiffers4.3.44.3
Windows operating systems supportedDiffersYesWindows 10, Windows 7, Windows 8
Mac compatibilityKnown for oneUnknown — not stated by the sourceYes
Mac operating systems supportedDiffersYesMac 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 oneUnknown — not stated by the sourceWindows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2016
Power2 differ
Power supply locationKnown for oneUnknown — not stated by the sourceBuilt-in
Number of power supply unitsDiffers12
Redundant power supply (RPS) supportKnown for oneUnknown — not stated by the sourceYes
AC input voltageDiffers100 - 240 V100-240 V
Weight & dimensions3 differ
WidthDiffers369.9 mm482 mm
DepthDiffers319.8 mm534 mm
HeightDiffers303.8 mm89 mm
Packaging contentidentical
Quick start guideKnown for oneUnknown — not stated by the sourceYes
Number of screwsKnown for oneUnknown — not stated by the source56
Operational conditionsidentical
Operating relative humidity (H-H)Known for oneUnknown — not stated by the source5 - 95%
Storage temperature (T-T)Known for one5 - 95 °CUnknown — not stated by the source
Other featuresidentical
Digital Living Network Alliance (DLNA) certifiedKnown for oneUnknown — not stated by the sourceYes
Power managementKnown for oneUnknown — not stated by the sourceYes
I/O portsKnown for oneUnknown — not stated by the source1x 3.5 mm

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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