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Product comparison · 2 nas & storage servers

QNAP TS-1635AX-8G/120TB-IWPRO 16 Bay NAS vs QNAP TS-873U-RP-64G 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-64G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND (16 vs 10). The QNAP TS-873U-RP-64G 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-64G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND has 60 GB more internal memory than the QNAP TS-1635AX-8G/120TB-IWPRO 16 Bay NAS (64 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-64G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND.

  • Number of storage drives supported
    • 16
    • 10
  • RAID levels
    • 0, 1, 5, 6, 10, 60, JBOD
    • 0, 1, 5, 6, 10, JBOD
  • Processor frequency
    • 1.6 GHz
    • 2.1 GHz
  • Internal memory
    • 4 GB
    • 64 GB
  • Maximum RAM supported
    • 16 GB
    • 64 GB
  • Ethernet LAN (RJ-45) ports
    • 2
    • 4
  • USB 2.0 ports quantity
    • 0
    • 4
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 3
    • 2

Side by side

Differences highlightedShow differences only
116 specifications
A

QNAP

TS-1635AX-8G/120TB-IWPRO 16 Bay NASView product
B

QNAP

TS-873U-RP-64G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND

Model TS-873U-RP-64G

View product
Storage4 differ
Storage drives installedYesYes
Total installed storage capacityKnown for one24 TB
Number of storage drives installedKnown for one8
Number of storage drives supportedDiffers1610
Installed storage drive typeHDDHDD
Supported storage drive typesHDD & SSDHDD & SSD
Storage drive capacityKnown for one3 TB
Storage drive interfaceKnown for oneSerial ATA III
Supported storage drive interfacesDiffersSerial ATA, Serial ATA II, Serial ATA IIIM.2, Serial ATA III
Storage drive sizes supported2.5,3.5"2.5,3.5"
Number of M.2 (M & B) slots22
RAID supportYesYes
RAID levelsDiffers0, 1, 5, 6, 10, 60, JBOD0, 1, 5, 6, 10, JBOD
Online RAID migrationKnown for oneYes
Online RAID expansionKnown for oneYes
Hot-swap drive baysYesYes
Supported file systemsDiffersFAT32, HFS+, exFAT, ext3, ext4FAT32, HFS+, NTFS, ext3, ext4
Bad block scanKnown for oneYes
Processor1 differ
Processor familyKnown for oneAMD Embedded R-Series SoC
Processor modelKnown for oneRX-421ND
Processor frequencyDiffers1.6 GHz2.1 GHz
Processor boost frequencyKnown for one3.4 GHz
Processor coresKnown for one4
Processor architectureKnown for oneARM Cortex-A7
PCI Express slots versionKnown for one3.0
Memory2 differ
Internal memoryDiffers4 GB64 GB
Internal memory typeDDR4DDR4
Maximum RAM supportedDiffers16 GB64 GB
Memory form factorKnown for oneUDIMM
Memory slotsKnown for one4
Flash memoryKnown for one512 MB
Networkidentical
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000,10000 Mbit/s10,100,1000,10000 Mbit/s
Ethernet LAN data rate supported (max)10000 Mbit/s10000 Mbit/s
Wi-FiKnown for oneNo
DHCP clientYesYes
DHCP serverYesYes
Jumbo frames supportKnown for oneYes
iSCSI supportYesYes
Wake-on-LAN readyYesYes
Dynamic DNS (DDNS)YesYes
Supported network protocolsKnown for oneCIFS/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 portYesYes
USB 2.0 ports quantityDiffers04
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers32
Fiber ports quantity22
Fiber optic connectorSFP+SFP+
PCI Express x4 (Gen 3.x) slotsKnown for one1
3.5 mm (1/8-inch) outKnown for oneYes
Design6 differ
Chassis typeDiffersDesktopRack (2U)
Cooling typeActiveActive
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 cm
Display typeKnown for oneLCD
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Built-in speaker(s)Known for oneYes
Number of built-in speakersKnown for one1
Performance2 differ
TypeNASNAS
Device classSmall & Medium BusinessSmall & Medium Business
Backup functionYesYes
Backup featuresCloud, iSCSI LUNCloud, iSCSI LUN
Multilingual supportKnown for oneYes
Third-party supportKnown for oneYes
Built-in optical driveKnown for oneNo
Card reader integratedKnown for oneNo
SnapshotYesYes
Web-based managementYesYes
Access Control List (ACL)Known for oneYes
Browser supportedDiffersApple Safari 7, Google Chrome, Microsoft Internet Explorer 10, Mozilla FirefoxInternet Explorer 10+, Chrome, Safari 7+, Firefox
Built-in FTP serverYesYes
Built-in iTunes serverKnown for oneYes
Disk scanKnown for oneYes
Hot spareYesYes
On/off switchYesYes
Password authenticationKnown for oneYes
S.M.A.R.T. supportKnown for oneYes
Security algorithmsDiffers256-bit AES256-bit AES, FIPS 140-2, HTTPS, SNMP, SSH, SSL/TLS
Share folderKnown for oneCIFS/SMB
System logKnown for oneYes
Universal Plug and Play (UPnP)Known for oneYes
BuzzerKnown for oneYes
Noise levelKnown for one23 dB
Reset buttonKnown for oneYes
Software3 differ
Operating system installedKnown for oneQNAP Turbo System
Operating system versionDiffers4.3.44.3
Windows operating systems supportedDiffersYesWindows 10, Windows 7, Windows 8
Linux operating systems supportedYesYes
Mac compatibilityKnown for oneYes
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 oneWindows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2016
Power2 differ
Power supply locationKnown for oneBuilt-in
Power supply unit (PSU) capacity250 W250 W
Number of power supply unitsDiffers12
Redundant power supply (RPS) supportKnown for oneYes
AC input voltageDiffers100 - 240 V100-240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Fan voltage12 V12 V
Weight & dimensions3 differ
WidthDiffers369.9 mm482 mm
DepthDiffers319.8 mm534 mm
HeightDiffers303.8 mm89 mm
Packaging contentidentical
Cables includedAC, LAN (RJ-45)AC, LAN (RJ-45)
Quick installation guideYesYes
Quick start guideKnown for oneYes
Number of screwsKnown for one56
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Operating relative humidity (H-H)Known for one5 - 95%
Storage temperature (T-T)Known for one5 - 95 °C
Other featuresidentical
Digital Living Network Alliance (DLNA) certifiedKnown for oneYes
Power managementKnown for oneYes
I/O portsKnown for one1x 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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