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Product comparison · 2 nas & storage servers

QNAP TS-1635AX-8G/120TB-ULTRA NAS/storage server Desktop vs QNAP TS-1673U-RP-16G/224TB-IWPRO NAS/storage server Rack (3U) DDR4 HDD Black

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  • 57specifications compared
  • 21differ
  • 36identical
  • 39known for one product only

Key differences

The QNAP TS-1673U-RP-16G/224TB-IWPRO NAS/storage server Rack (3U) DDR4 HDD Black has 2 more storage drives supported than the QNAP TS-1635AX-8G/120TB-ULTRA NAS/storage server Desktop (18 vs 16). The QNAP TS-1673U-RP-16G/224TB-IWPRO NAS/storage server Rack (3U) DDR4 HDD Black has 0.5 GHz more processor frequency than the QNAP TS-1635AX-8G/120TB-ULTRA NAS/storage server Desktop (2.1 GHz vs 1.6 GHz). The QNAP TS-1673U-RP-16G/224TB-IWPRO NAS/storage server Rack (3U) DDR4 HDD Black has 48 GB more maximum RAM supported than the QNAP TS-1635AX-8G/120TB-ULTRA NAS/storage server Desktop (64 GB vs 16 GB). RAID levels: 0, 1, 5, 6, 10, 60, JBOD on the QNAP TS-1635AX-8G/120TB-ULTRA NAS/storage server Desktop, 0, 1, 5, 6, 10, JBOD on the QNAP TS-1673U-RP-16G/224TB-IWPRO NAS/storage server Rack (3U) DDR4 HDD Black. Supported file systems: FAT32, HFS+, exFAT, ext3, ext4 on the QNAP TS-1635AX-8G/120TB-ULTRA NAS/storage server Desktop, FAT32, HFS+, NTFS, exFAT, ext3, ext4 on the QNAP TS-1673U-RP-16G/224TB-IWPRO NAS/storage server Rack (3U) DDR4 HDD Black.

  • Number of storage drives supported
    • 16
    • 18
  • RAID levels
    • 0, 1, 5, 6, 10, 60, JBOD
    • 0, 1, 5, 6, 10, JBOD
  • Processor frequency
    • 1.6 GHz
    • 2.1 GHz
  • 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
  • Chassis type
    • Desktop
    • Rack (3U)

Side by side

Differences highlightedShow differences only
96 specifications
A

QNAP

TS-1635AX-8G/120TB-ULTRA NAS/storage server Desktop

Model TS-1635AX-8G/120TB-ULTRA

View product
B

QNAP

TS-1673U-RP-16G/224TB-IWPRO NAS/storage server Rack (3U) DDR4 HDD Black

Model TS-1673U-RP-16G/224TB-IWPRO

View product
Storage3 differ
Storage drives installedYesYes
Number of storage drives supportedDiffers1618
Installed storage drive typeHDDHDD
Supported storage drive typesHDD & SSDHDD & SSD
Supported storage drive interfacesSerial ATA, Serial ATA II, Serial ATA IIISerial ATA, Serial ATA II, Serial ATA III
Storage drive sizes supported2.5,3.5"2.5,3.5"
RAID supportYesYes
RAID levelsDiffers0, 1, 5, 6, 10, 60, JBOD0, 1, 5, 6, 10, JBOD
Supported file systemsDiffersFAT32, HFS+, exFAT, ext3, ext4FAT32, HFS+, NTFS, exFAT, ext3, ext4
Bad block scanKnown for oneYes
Number of M.2 (M & B) slotsKnown for one2
Hot-swap drive baysKnown for oneYes
Processor1 differ
Processor frequencyDiffers1.6 GHz2.1 GHz
Processor boost frequencyKnown for one3.4 GHz
Processor architectureKnown for oneARM Cortex-A7
PCI Express slots versionKnown for one3.0
Memory1 differ
Internal memory typeDDR4DDR4
Maximum RAM supportedDiffers16 GB64 GB
Memory slotsKnown for one4
Flash memoryKnown for one512 MB
Internal memoryKnown for one4 GB
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
Design2 differ
Chassis typeDiffersDesktopRack (3U)
Cooling typeActiveActive
Product colourBlackBlack
Number of fans4 fan(s)4 fan(s)
Fan diameter9.2 cm9.2 cm
LED indicatorsDiffersYesHDD, LAN, Power, Status
Fan diameter 2Known for one6 cm
Built-in displayKnown for oneYes
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
Web-based managementYesYes
Access Control List (ACL)Known for oneYes
Browser supportedDiffersApple Safari 7, Google Chrome, Microsoft Internet Explorer 10, Mozilla FirefoxMicrosoft Internet Explorer 10+, Google Chrome, Apple Safari 7+, Mozilla Firefox
Built-in FTP serverYesYes
Built-in iTunes serverKnown for oneYes
On/off switchYesYes
Reset buttonYesYes
S.M.A.R.T. supportKnown for oneYes
Security algorithmsDiffers256-bit AES256-bit AES, FIPS 140-2, HTTPS, SNMP, SNMPv3, SSH, SSL/TLS
Share folderKnown for oneCIFS/SMB
System logKnown for oneYes
BuzzerKnown for oneYes
Noise levelKnown for one23 dB
SnapshotKnown for oneYes
Hot spareKnown for oneYes
Software3 differ
Operating system versionDiffers4.3.44.3
Windows operating systems supportedDiffersYesWindows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 H
Linux operating systems supportedYesYes
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 10.7 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
Power3 differ
Power supply locationKnown for oneBuilt-in
Power supply unit (PSU) capacityDiffers250 W500 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 mm481 mm
DepthDiffers319.8 mm536 mm
HeightDiffers303.8 mm130 mm
WeightKnown for one15.4 kg
Packaging contentidentical
Cables includedAC, LAN (RJ-45)AC, LAN (RJ-45)
Quick installation guideYesYes
Number of screwsKnown for one112
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

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