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Product comparison · 2 nas & storage servers

QNAP ES1686dc R2 vs QNAP TVS-H877AX NAS Tower AMD Ryzen™ 5

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  • 57specifications compared
  • 30differ
  • 27identical
  • 55known for one product only

Key differences

The QNAP TVS-H877AX NAS Tower AMD Ryzen™ 5 has 2.1 GHz more processor boost frequency than the QNAP ES1686dc R2 (5.1 GHz vs 3 GHz). The QNAP ES1686dc R2 has 2 more processor cores than the QNAP TVS-H877AX NAS Tower AMD Ryzen™ 5 (8 vs 6). The QNAP ES1686dc R2 has 32 GB more internal memory than the QNAP TVS-H877AX NAS Tower AMD Ryzen™ 5 (48 GB vs 16 GB). Supported storage drive interfaces: Serial Attached SCSI (SAS) on the QNAP ES1686dc R2, Serial ATA on the QNAP TVS-H877AX NAS Tower AMD Ryzen™ 5. Processor manufacturer: Intel on the QNAP ES1686dc R2, AMD on the QNAP TVS-H877AX NAS Tower AMD Ryzen™ 5.

  • Supported storage drive interfaces
    • Serial Attached SCSI (SAS)
    • Serial ATA
  • Processor manufacturer
    • Intel
    • AMD
  • Processor family
    • Intel® Xeon® D
    • AMD Ryzen™ 5
  • Processor boost frequency
    • 3 GHz
    • 5.1 GHz
  • Processor cores
    • 8
    • 6
  • Internal memory
    • 48 GB
    • 16 GB
  • Internal memory type
    • DDR4
    • DDR5
  • Maximum RAM supported
    • 512 GB
    • 192 GB

Side by side

Differences highlightedShow differences only
112 specifications
A

QNAP

ES1686dc R2View product
B

QNAP

TVS-H877AX NAS Tower AMD Ryzen™ 5

Model TVS-H877AX

View product
Storage1 differ
Storage drives installedNoNo
Installed storage drive typeNoNo
Supported storage drive typesHDD & SSDHDD & SSD
Storage drive interfaceKnown for oneSerial ATA
Supported storage drive interfacesDiffersSerial Attached SCSI (SAS)Serial ATA
Storage drive sizeKnown for one3.5"
Storage drive sizes supported2.5,3.5"2.5,3.5"
Number of M.2 (M & B) slotsKnown for one2
RAID supportYesYes
RAID levels0, 1, 5, 6, 10, 50, 600, 1, 5, 6, 10, 50, 60
Online RAID expansionYesYes
RAID rebuildKnown for oneYes
Hot-swap drive baysYesYes
Supported file systemsKnown for oneFAT32, HFS+, NTFS, exFAT, ext3, ext4
Disk roamingKnown for oneYes
Total installed storage capacityKnown for one0 TB
Number of storage drives installedKnown for one0
Number of storage drives supportedKnown for one16
Storage drive capacityKnown for one0 GB
Online RAID migrationKnown for oneYes
Processor4 differ
Processor manufacturerDiffersIntelAMD
Processor familyDiffersIntel® Xeon® DAMD Ryzen™ 5
Processor generationKnown for oneAMD Ryzen 7000 Series
Processor boost frequencyDiffers3 GHz5.1 GHz
Processor coresDiffers86
Processor threadsKnown for one12
On-board graphics card modelKnown for oneAMD Radeon Graphics
Processor modelKnown for oneD-2142IT
Processor frequencyKnown for one1.9 GHz
Memory6 differ
Internal memoryDiffers48 GB16 GB
Internal memory typeDiffersDDR4DDR5
Maximum RAM supportedDiffers512 GB192 GB
Memory form factorDiffersRDIMM/LRDIMMUDIMM
Memory slotsDiffers82
Flash memoryDiffers4000 MB5000 MB
ECCKnown for oneYes
Network2 differ
Ethernet LANYesYes
Ethernet LAN data ratesDiffers10,100,1000 Mbit/s10,100,1000,2500 Mbit/s
DHCP serverKnown for oneYes
Jumbo frames supportYesYes
iSCSI supportYesYes
Wake-on-LAN readyKnown for oneYes
Dynamic DNS (DDNS)Known for oneYes
Supported network protocolsDiffersCIFS/SMB2/SMB3, NFS v3/NFS v4.1, FTP, FTPS, TFTP, HTTP, HTTPS, SSH, iSCSI, Fibre Channel, SNMP, SMTP, SMSCIPv4, IPv6
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsDiffers32
USB portKnown for oneYes
USB 2.0 ports quantityKnown for one2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one2
HDMI ports quantityKnown for one1
HDMI versionKnown for one1.4b
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one2
Fiber ports quantityKnown for one4
Fiber optic connectorKnown for oneSFP+
PCI Express x8 (Gen 3.x) slotsKnown for one2
Design5 differ
Chassis typeDiffersRack (3U)Tower
Cooling typeActiveActive
Product colourDiffersBlack, GreyBlack
Number of fansDiffers2 fan(s)4 fan(s)
Fan diameterDiffers6 cm8 cm
Fan diameter 26 cm6 cm
LED indicatorsDiffersYesHDD, LAN, Status, SSD
Built-in displayKnown for oneYes
Display typeKnown for oneLCD
Performance1 differ
TypeNASNAS
Device classDiffersLarge Enterprise BusinessHome & Home Office
Backup functionYesYes
Backup featuresKnown for oneCloud
BuzzerYesYes
SnapshotKnown for oneYes
Access Control List (ACL)YesYes
Browser supportedKnown for oneApple Safari, Google Chrome, Microsoft Edge, Mozilla Firefox
Built-in FTP serverKnown for oneYes
Disk scanKnown for oneYes
Hot spareYesYes
On/off switchYesYes
Reset buttonYesYes
S.M.A.R.T. supportYesYes
Security algorithmsKnown for one256-bit AES, FIPS 140-2, HTTPS, SNMPv3, SNMPv2
System logKnown for oneYes
USB copy functionKnown for oneYes
Multilingual supportKnown for oneYes
Software1 differ
Operating system installedDiffersQNAP QESQNAP QTS
Operating system versionKnown for oneQTS 5.2.9
Windows operating systems supportedKnown for oneWindows 10, Windows 11, Windows 7, Windows 8
Linux operating systems supportedKnown for oneCentOS 7.0, SuSE Linux 12.0, SuSE Linux 12.3, SuSE Linux 15, Ubuntu 14.04
Mac operating systems supportedKnown for oneMac 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 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina, Mac OS X 11.0 Big Sur, Mac OS X 12.0 Monterey, Mac OS X 13.0 Ventura
Server operating systems supportedKnown for oneWindows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022
Other operating systems supportedKnown for oneIBM AIX 7.1, IBM AIX 7.2, Solaris 10
Power2 differ
Power supply locationBuilt-inBuilt-in
Power supply unit (PSU) capacityDiffers700 W500 W
AC input voltageDiffers90-264 V100 - 240 V
Fan voltage12 V12 V
Number of power supply unitsKnown for one1
Redundant power supply (RPS) supportKnown for oneYes
Power consumption (typical)Known for one500.87 W
Weight & dimensions7 differ
WidthDiffers483.1 mm292.9 mm
DepthDiffers630.6 mm319.8 mm
HeightDiffers132 mm225 mm
WeightKnown for one8.88 kg
Package widthDiffers587 mm392 mm
Package depthDiffers750 mm426 mm
Package heightDiffers351 mm338 mm
Package weightDiffers32.7 kg11.2 kg
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Operating relative humidity (H-H)5 - 95%5 - 95%
Storage temperature (T-T)-20 - 70 °C-20 - 70 °C
Other featuresidentical
Warranty period5 year(s)5 year(s)
Packaging contentidentical
Cables includedKnown for oneAC, LAN (RJ-45), RS-232
Power cables quantityKnown for one2
Rack mount kitKnown for oneYes
Number of screwsKnown for one64
Package typeKnown for oneBox

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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