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Useful accessories for QNAP NAS TS-855eU-8G (8 Bay) 2U

Technical details
Vendor QNAP
Performance
Type NAS
Device class Home & Home Office
Backup function Y
Backup features USB drive, iSCSI LUN
Built-in FTP server Y
System log Y
Hot spare Y
Share folder CIFS/SMB
Buzzer Y
Snapshot Y
USB copy function Y
Access Control List (ACL) Y
Reset button Y
Security algorithms AES, FIPS 140, HTTPS, SSH
Management protocols SNMP V2, V3
On (off switch) Y
S.M.A.R.T. support Y
Browser supported Apple Safari (latest version) Google Chrome (latest version) Microsoft Edge (latest version) Mozilla Firefox (latest version)
Design
Chassis type Rack (2U)
LED indicators Y
Product colour Black
Number of fans 3 fan(s)
Cooling type Active
Fan diameter 60 mm
Storage
Number of storage drives supported 8
Storage interfaces Serial ATA,Serial ATA II,Serial ATA III
Supported storage drive types HDD, SSD
RAID levels 1
Storage drives installed N
Installed storage drive type N
Hot-swap drive bays Y
Supported file systems FAT32, HFS+, NTFS, ZFS, exFAT, ext3, ext4
Online RAID migration Y
Online RAID expansion Y
Disk roaming Y
Number of M.2 (M & B) slots 2
RAID rebuild Y
RAID support Y
Storage drive sizes supported 2.5.3.5 "
Memory
Internal memory 8 GB
Maximum RAM supported 64 GB
Internal memory type DDR4
Flash memory 5000 MB
Memory slots 2 x SODIMM
Memory form factor SO-DIMM
Power
Fan voltage 12 V
Power supply unit (PSU) capacity 250 W
Power consumption (typical) 79.113 W
Power consumption (sleep) 49.799 W
Number of power supply units 1
AC input voltage 100 - 240 V
Power supply location Built-in
Ports & interfaces
Ethernet LAN (RJ-45) ports 2
PCI Express x4 (Gen 3.x) slots 2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 4
USB port Y
Fiber optic connector MTP
Software
Operating system QuTS hero
Operating system version h5.0.1
Windows operating systems supported Windows 10, Windows 11, Windows 7, Windows 8
Mac operating systems supported Mac OS X 10.10 Yosemite, Y
Linux operating systems supported CentOS 7.0, Ubuntu 14.04, Y
Server operating systems supported Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019
Other operating systems supported IBM AIX 7.1, Solaris 10
Network
Ethernet LAN Y
Dynamic DNS (DDNS) Y
Wake-on-LAN ready Y
Jumbo frames support Y
DHCP server Y
Ethernet LAN data rates 10.100.1000.2500 Mbit/s
Supported network protocols IPv4, IPv6
iSCSI support Y
Processor
Processor cache 9 MB
Processor manufacturer Intel
Processor frequency 2.8 GHz
Thermal Design Power (TDP) 50 W
Processor family Intel Atom®
ECC supported by processor Y
Processor model C5125
Number of processors 1
Processor cores 8
Processor threads 8
Packaging content
Number of screws 56
Cables included AC, LAN (RJ-45)
Power cables quantity 1
Quick installation guide Y
Weight & dimensions
Height 88.6 mm
Width 432 mm
Depth 297.4 mm
Weight 7610 g
Other features
Fibre Channel Y
Operational conditions
Operating temperature (T-T) 0 - 40 °C
Operating relative humidity (H-H) 5 - 95 %
Storage temperature (T-T) -20 - 70 °C
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