QNAP TS-855eU NAS Rack (2U) Intel Atom® C5125
QNAP

TS-855eU NAS Rack (2U) Intel Atom® C5125

8 GB DDR4 32 TB QuTS hero Black

Model TS-855eUPart no. TS-855EU-8G/16TB-REDPLUSEAN 5050914226619

88 specifications
  • ProcessorIntel Atom®
  • Memory8 GB
  • TypeNAS
  • OSQuTS hero
  • ColourBlack
  • Storage drives installedYes
See all specifications

Overview

Processor
Intel Atom®
Memory
8 GB
Type
NAS
OS
QuTS hero
Colour
Black
Storage drives installed
Yes
Brand
QNAP
Model
TS-855eU
Part numbers
TS-855EU-8G/16TB-REDPLUS, TS-855EU-8G/16TB-REDPRO, TS-855EU-8G/32TB-EXOS, TS-855EU-8G/32TB-IW, TS-855EU-8G/32TB-REDPLUS, TS-855EU-8G/32TB-REDPRO +28 more
EAN / UPC
5050914226619, 5050914226626, 5050914226633, 5050914226640 +27 more
Also known as
QNAP TS-855eU NAS Rack (2U) Intel Atom® C5125 8 GB DDR4 32 TB QuTS hero Black

Specifications

88 specifications in 12 groups

Storage

SpecificationValue
Storage drives installedYes
Total installed storage capacity32 TB
Number of storage drives supported8
Supported storage drive typesHDD & SSD
Supported storage drive interfacesSerial ATA II, Serial ATA III
Storage drive sizes supported2.5,3.5"
Number of M.2 (M & B) slots2
RAID supportYes
RAID levels0, 1, 5, 10, 50, 60, JBOD
Online RAID migrationYes
Online RAID expansionYes
RAID rebuildYes
Hot-swap drive baysYes
Supported file systemsFAT32, HFS+, NTFS, ZFS, exFAT, ext3, ext4
Disk roamingYes

Processor

SpecificationValue
Processor manufacturerIntel
Processor familyIntel Atom®
Processor modelC5125
Processor frequency2.8 GHz
Processor cores8
Processor threads8
Processor cache9 MB

Memory

SpecificationValue
Internal memory8 GB
Internal memory typeDDR4
Maximum RAM supported64 GB
Memory form factorSO-DIMM
Memory slots2
Flash memory5000 MB

Network

SpecificationValue
Ethernet LANYes
Ethernet LAN data rates10,100,1000,2500 Mbit/s
DHCP serverYes
Jumbo frames supportYes
iSCSI supportYes
Wake-on-LAN readyYes
Dynamic DNS (DDNS)Yes
Supported network protocolsIPv4, IPv6

Ports & interfaces

SpecificationValue
Ethernet LAN (RJ-45) ports2
USB portYes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
Fiber optic connectorMTP
PCI Express x4 (Gen 3.x) slots2

Design

SpecificationValue
Chassis typeRack (2U)
Cooling typeActive
Product colourBlack
Number of fans3 fan(s)
Fan diameter6 cm
LED indicatorsYes

Performance

SpecificationValue
TypeNAS
Device classSmall & Medium Business
Backup functionYes
Backup featuresUSB drive, iSCSI LUN
BuzzerYes
SnapshotYes
Management protocolsSNMP V2, V3
Access Control List (ACL)Yes
Browser supportedApple Safari (latest version) Google Chrome (latest version) Microsoft Edge (latest version) Mozilla Firefox (latest version)
Built-in FTP serverYes
Hot spareYes
On/off switchYes
Reset buttonYes
S.M.A.R.T. supportYes
Security algorithmsAES, FIPS 140, HTTPS, SSH
Share folderCIFS/SMB
System logYes
USB copy functionYes

Software

SpecificationValue
Operating system installedQuTS hero
Operating system versionh5.0.1
Windows operating systems supportedWindows 10, Windows 11, Windows 7, Windows 8
Linux operating systems supportedCentOS 7.0, Ubuntu 14.04, Yes
Mac operating systems supportedMac OS X 10.10 Yosemite, Yes
Server operating systems supportedWindows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019
Other operating systems supportedIBM AIX 7.1, Solaris 10

Power

SpecificationValue
Power supply locationBuilt-in
Power supply unit (PSU) capacity250 W
Number of power supply units1
Power consumption (typical)79.113 W
Power consumption (sleep)49.799 W
AC input voltage100 - 240 V
Fan voltage12 V

Weight & dimensions

SpecificationValue
Width432 mm
Depth297.4 mm
Height88.6 mm

Packaging content

SpecificationValue
Cables includedAC, LAN (RJ-45)
Power cables quantity1
Number of screws96

Operational conditions

SpecificationValue
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)5 - 95%
Storage temperature (T-T)-20 - 70 °C