Product comparison · 2 nas & storage servers

QNAP TES-1885U-D1531-128GR NAS Rack (2U) Intel® Xeon® D D-1531 vs QNAP TS-1685-D1521-16G-550W NAS Desktop Intel® Xeon® D D-1531

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  • 115specifications compared
  • 32differ
  • 83identical
  • 47known for one product only

Key differences

The QNAP TES-1885U-D1531-128GR NAS Rack (2U) Intel® Xeon® D D-1531 has 107,872 TB more total installed storage capacity than the QNAP TS-1685-D1521-16G-550W NAS Desktop Intel® Xeon® D D-1531 (108000 TB vs 128 TB). The QNAP TES-1885U-D1531-128GR NAS Rack (2U) Intel® Xeon® D D-1531 has 2 more storage drives installed than the QNAP TS-1685-D1521-16G-550W NAS Desktop Intel® Xeon® D D-1531 (18 vs 16). The QNAP TES-1885U-D1531-128GR NAS Rack (2U) Intel® Xeon® D D-1531 has 2 more storage drives supported than the QNAP TS-1685-D1521-16G-550W NAS Desktop Intel® Xeon® D D-1531 (18 vs 16). Only the QNAP TS-1685-D1521-16G-550W NAS Desktop Intel® Xeon® D D-1531 has hot-swap drive bays. Only the QNAP TS-1685-D1521-16G-550W NAS Desktop Intel® Xeon® D D-1531 has USB port.

  • Total installed storage capacity
    • TES-1885U-D1531-128GR NAS Rack (2U) Intel® Xeon® D D-1531:108000 TB
    • TS-1685-D1521-16G-550W NAS Desktop Intel® Xeon® D D-1531:128 TB
  • Number of storage drives installed
    • TES-1885U-D1531-128GR NAS Rack (2U) Intel® Xeon® D D-1531:18
    • TS-1685-D1521-16G-550W NAS Desktop Intel® Xeon® D D-1531:16
  • Number of storage drives supported
    • TES-1885U-D1531-128GR NAS Rack (2U) Intel® Xeon® D D-1531:18
    • TS-1685-D1521-16G-550W NAS Desktop Intel® Xeon® D D-1531:16
  • Storage drive capacity
    • TES-1885U-D1531-128GR NAS Rack (2U) Intel® Xeon® D D-1531:6 TB
    • TS-1685-D1521-16G-550W NAS Desktop Intel® Xeon® D D-1531:8 TB
  • RAID levels
    • TES-1885U-D1531-128GR NAS Rack (2U) Intel® Xeon® D D-1531:0, 1, 5, 6, 10, 50, 60
    • TS-1685-D1521-16G-550W NAS Desktop Intel® Xeon® D D-1531:0, 1, 5, 6, 10, 50, 60, JBOD
  • Hot-swap drive bays
    • TES-1885U-D1531-128GR NAS Rack (2U) Intel® Xeon® D D-1531:No
    • TS-1685-D1521-16G-550W NAS Desktop Intel® Xeon® D D-1531:Yes
  • Internal memory
    • TES-1885U-D1531-128GR NAS Rack (2U) Intel® Xeon® D D-1531:128 GB
    • TS-1685-D1521-16G-550W NAS Desktop Intel® Xeon® D D-1531:16 GB
  • Flash memory
    • TES-1885U-D1531-128GR NAS Rack (2U) Intel® Xeon® D D-1531:4000 MB
    • TS-1685-D1521-16G-550W NAS Desktop Intel® Xeon® D D-1531:512 MB

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Comparison of TES-1885U-D1531-128GR, TS-1685-D1521-16G-550W
162 specifications
Storage7 differ
Total installed storage capacityDiffers108000 TB128 TB
Number of storage drives installedDiffers1816
Number of storage drives supportedDiffers1816
Storage drive capacityDiffers6 TB8 TB
Supported storage drive interfacesKnown for oneUnknown — not stated by the sourceM.2, Serial ATA III
Storage drive sizes supportedKnown for oneUnknown — not stated by the source2.5,3.5"
Number of M.2 (M & B) slotsKnown for oneUnknown — not stated by the source6
RAID levelsDiffers0, 1, 5, 6, 10, 50, 600, 1, 5, 6, 10, 50, 60, JBOD
Online RAID migrationKnown for oneUnknown — not stated by the sourceYes
Online RAID expansionKnown for oneUnknown — not stated by the sourceYes
Hot-swap drive baysDiffersNoYes
Supported file systemsDiffersFAT32, HFS+, NTFS, ZFS, ext3, ext4FAT32, HFS+, NTFS, ext3, ext4
Bad block scanKnown for oneUnknown — not stated by the sourceYes
Storage drive interfaceKnown for oneSerial ATA IIIUnknown — not stated by the source
Storage drive sizeKnown for one2.5/3.5"Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers128 GB16 GB
Memory form factorKnown for oneUnknown — not stated by the sourceRDIMM
Flash memoryDiffers4000 MB512 MB
Network2 differ
Ethernet LAN data ratesDiffers10,100,1000,10000 Mbit/s1000,10000 Mbit/s
Ethernet LAN data rate supported (max)Known for oneUnknown — not stated by the source10000 Mbit/s
Copper ethernet cabling technologyKnown for oneUnknown — not stated by the source10GBASE-T, 1000BASE-T
Supported network protocolsDiffersIPv4, IPv6, MB2/SMB3, NFS v3/NFS v4, FTP, FTPS, TFTP, HTTP, HTTPS, SSH, iSCSI, SNMP, SMTP, SMSCTCP/IP
Link aggregationKnown for oneYesUnknown — not stated by the source
Ports & interfaces4 differ
Ethernet LAN (RJ-45) portsDiffers46
USB portDiffersNoYes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers03
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for oneUnknown — not stated by the source0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for oneUnknown — not stated by the source0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for oneUnknown — not stated by the source0
Fiber ports quantityDiffers20
VGA (D-Sub) ports quantityKnown for oneUnknown — not stated by the source0
eSATA ports quantityKnown for oneUnknown — not stated by the source0
HDMI ports quantityKnown for oneUnknown — not stated by the source0
Serial ports quantityKnown for oneUnknown — not stated by the source0
3.5 mm (1/8-inch) outKnown for oneUnknown — not stated by the sourceYes
Thunderbolt 2 ports quantityKnown for oneUnknown — not stated by the source0
Thunderbolt ports quantityKnown for oneUnknown — not stated by the source0
PCI Express x8 (Gen 3.x) slotsKnown for oneUnknown — not stated by the source2
Fiber optic connectorKnown for oneSFP+Unknown — not stated by the source
Design4 differ
Chassis typeDiffersRack (2U)Desktop
Number of fansDiffers4 fan(s)5 fan(s)
Fan diameterDiffers6 cm9.2 cm
Fan diameter 2Known for oneUnknown — not stated by the source9 cm
LED indicatorsDiffersLAN, StatusHDD, SSD, System
Built-in displayKnown for oneUnknown — not stated by the sourceYes
Display typeKnown for oneUnknown — not stated by the sourceLCD
Built-in speaker(s)Known for oneUnknown — not stated by the sourceYes
Number of built-in speakersKnown for oneUnknown — not stated by the source1
Performance3 differ
Backup featuresDiffersCloud, iSCSI LUNCloud, USB drive, iSCSI LUN
Noise levelKnown for oneUnknown — not stated by the source22.5 dB
Share folder access right managementKnown for oneUnknown — not stated by the sourceYes
Backup buttonKnown for oneUnknown — not stated by the sourceYes
Browser supportedDiffersInternet Explorer 10, Mozilla Firefox 8, Safari 4, Google ChromeInternet Explorer 10+, Chrome, Firefox, Safari 7+
Security algorithmsDiffers256-bit AES, FIPS 140-2, HTTPS, SNMP, SSH, SSL/TLS256-bit AES, FIPS 140-2, HTTPS, SNMP, SNMPv3, SSL/TLS
Universal Plug and Play (UPnP)Known for oneUnknown — not stated by the sourceYes
Built-in FTP serverKnown for oneYesUnknown — not stated by the source
Built-in iTunes serverKnown for oneYesUnknown — not stated by the source
Hot spareKnown for oneYesUnknown — not stated by the source
Password authenticationKnown for oneYesUnknown — not stated by the source
Software4 differ
Operating system versionDiffers1.14.3
Windows operating systems supportedDiffersWindows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, 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 Home Premium, WindowsWindows 10, Windows 7, Windows 8
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 supportedDiffersWindows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
Operating system installedKnown for oneQNAP Enterprise SystemUnknown — not stated by the source
Power3 differ
Power supply unit (PSU) capacityDiffers450 W550 W
Number of power supply unitsDiffers21
Power consumption (typical)Known for oneUnknown — not stated by the source127 W
Power consumption (sleep)Known for oneUnknown — not stated by the source61.36 W
AC input voltageDiffers90-264 V100 - 240 V
AC input frequencyKnown for oneUnknown — not stated by the source50 - 60 Hz
Output currentKnown for oneUnknown — not stated by the source3 A
Redundant power supply (RPS) supportKnown for oneYesUnknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers442.5 mm369.9 mm
DepthDiffers530.5 mm319.8 mm
HeightDiffers88 mm303.8 mm
WeightKnown for one15.1 kgUnknown — not stated by the source
Package weightKnown for one21.4 kgUnknown — not stated by the source
Packaging contentidentical
Rack mount kitKnown for oneYesUnknown — not stated by the source
Other featuresidentical
Digital Living Network Alliance (DLNA) certifiedKnown for oneYesUnknown — not stated by the source

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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