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Product comparison · 2 nas & storage servers

QNAP ES1686dc R2 vs TerraMaster U8-500 PLUS

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  • 46specifications compared
  • 21differ
  • 25identical
  • 62known for one product only

Key differences

The QNAP ES1686dc R2 has 8 more storage drives supported than the TerraMaster U8-500 PLUS (16 vs 8). The TerraMaster U8-500 PLUS has 1.7 GHz more processor boost frequency than the QNAP ES1686dc R2 (4.7 GHz vs 3 GHz). The TerraMaster U8-500 PLUS has 2 more processor cores than the QNAP ES1686dc R2 (10 vs 8). Supported storage drive interfaces: Serial Attached SCSI (SAS) on the QNAP ES1686dc R2, Serial ATA on the TerraMaster U8-500 PLUS. RAID levels: 0, 1, 5, 6, 10, 50, 60 on the QNAP ES1686dc R2, 0, 5, 6, 10, JBOD on the TerraMaster U8-500 PLUS.

  • Number of storage drives supported
    • 16
    • 8
  • Supported storage drive interfaces
    • Serial Attached SCSI (SAS)
    • Serial ATA
  • RAID levels
    • 0, 1, 5, 6, 10, 50, 60
    • 0, 5, 6, 10, JBOD
  • Processor family
    • Intel® Xeon® D
    • Intel® Core™ i7
  • Processor boost frequency
    • 3 GHz
    • 4.7 GHz
  • Processor cores
    • 8
    • 10
  • Internal memory
    • 48 GB
    • 16 GB
  • Internal memory type
    • DDR4
    • DDR5

Side by side

Differences highlightedShow differences only
108 specifications
A

QNAP

ES1686dc R2View product
B

TerraMaster

U8-500 PLUSView product
Storage3 differ
Storage drives installedNoNo
Total installed storage capacity0 TB0 TB
Number of storage drives installed00
Number of storage drives supportedDiffers168
Installed storage drive typeNoNo
Supported storage drive typesHDD & SSDHDD & SSD
Storage drive capacity0 GB0 GB
Supported storage drive interfacesDiffersSerial Attached SCSI (SAS)Serial ATA
Storage drive sizes supported2.5,3.5"2.5,3.5"
RAID supportYesYes
RAID levelsDiffers0, 1, 5, 6, 10, 50, 600, 5, 6, 10, JBOD
Online RAID migrationYesYes
Online RAID expansionYesYes
Hot-swap drive baysYesYes
Maximum supported storage capacityKnown for one192 TB
Number of M.2 (M & B) slotsKnown for one2
Supported file systemsKnown for oneBTRFS, FAT32, HFS+, NTFS, ext3, ext4
Processor3 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Xeon® DIntel® Core™ i7
Processor modelKnown for oneD-2142IT
Processor frequencyKnown for one1.9 GHz
Processor boost frequencyDiffers3 GHz4.7 GHz
Processor coresDiffers810
Processor threadsKnown for one12
PCI Express configurationsKnown for one1x8+2x4, 1x16, 2x8
On-board graphics card modelKnown for oneIntel Iris Xe Graphics
Memory4 differ
Internal memoryDiffers48 GB16 GB
Internal memory typeDiffersDDR4DDR5
Maximum RAM supportedDiffers512 GB64 GB
ECCKnown for oneYes
Memory form factorKnown for oneRDIMM/LRDIMM
Memory slotsDiffers84
Flash memoryKnown for one4000 MB
Network1 differ
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Jumbo frames supportKnown for oneYes
iSCSI supportYesYes
Supported network protocolsDiffersCIFS/SMB2/SMB3, NFS v3/NFS v4.1, FTP, FTPS, TFTP, HTTP, HTTPS, SSH, iSCSI, Fibre Channel, SNMP, SMTP, SMSCCIFS/SAMBA, NFS, FTP, TFTP, HTTPS, SSH, iSCSI, SMTP
DHCP serverKnown for oneYes
Dynamic DNS (DDNS)Known for oneYes
Link aggregationKnown for oneYes
Ports & interfaces3 differ
Ethernet LAN (RJ-45) portsDiffers32
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Fiber ports quantityDiffers40
Fiber optic connectorKnown for oneSFP+
PCI Express x8 (Gen 3.x) slotsDiffers23
USB portKnown for oneYes
USB 2.0 ports quantityKnown for one4
VGA (D-Sub) ports quantityKnown for one1
HDMI ports quantityKnown for one1
Serial ports quantityKnown for one1
Design3 differ
Chassis typeDiffersRack (3U)Rack (2U)
Cooling typeActiveActive
Product colourDiffersBlack, GreyBlack
Number of fansKnown for one2 fan(s)
Fan diameterKnown for one6 cm
Fan diameter 2Known for one6 cm
LED indicatorsDiffersYesHDD, LAN, Power
Performanceidentical
TypeNASNAS
Device classLarge Enterprise BusinessLarge Enterprise Business
Backup functionYesYes
BuzzerKnown for oneYes
Multilingual supportKnown for oneYes
Access Control List (ACL)YesYes
Hot spareYesYes
On/off switchYesYes
Reset buttonYesYes
S.M.A.R.T. supportYesYes
Backup featuresKnown for oneCloud, USB drive, iSCSI LUN
Third-party supportKnown for oneYes
SnapshotKnown for oneYes
Management protocolsKnown for oneSNMP
Share folder access right managementKnown for oneYes
Browser supportedKnown for oneGoogle Chrome 48, Microsoft Internet Explorer 9, Mozilla Firefox 30, Apple Safari 4.5 +
Security algorithmsKnown for oneAES
Share folderKnown for one512
System logKnown for oneYes
Universal Plug and Play (UPnP)Known for oneYes
Softwareidentical
Operating system installedKnown for oneQNAP QES
Windows operating systems supportedKnown for oneYes
Linux operating systems supportedKnown for oneYes
Mac operating systems supportedKnown for oneYes
Poweridentical
Power supply locationKnown for oneBuilt-in
Power supply unit (PSU) capacityKnown for one700 W
Number of power supply unitsKnown for one1
Redundant power supply (RPS) supportKnown for oneYes
Power consumption (typical)Known for one500.87 W
AC input voltageKnown for one90-264 V
Fan voltageKnown for one12 V
Weight & dimensions3 differ
WidthDiffers483.1 mm440 mm
DepthDiffers630.6 mm384 mm
HeightDiffers132 mm88 mm
Package widthKnown for one587 mm
Package depthKnown for one750 mm
Package heightKnown for one351 mm
Package weightKnown for one32.7 kg
WeightKnown for one6.9 kg
Packaging content1 differ
Cables includedDiffersAC, LAN (RJ-45), RS-232AC, LAN (RJ-45)
Power cables quantityKnown for one2
Rack mount kitKnown for oneYes
Number of screwsKnown for one64
Package typeKnown for oneBox
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Operating relative humidity (H-H)Known for one5 - 95%
Storage temperature (T-T)Known for one-20 - 70 °C
Other featuresidentical
Warranty periodKnown for one5 year(s)
Compliance certificatesKnown for oneRoHS
CertificationKnown for oneFCC, CE, CCC, KC, WEEE

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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