QNAP TS-855EU-8G NAS/storage server

Storage
Storage drive capacity: 0 GB
Supported storage drive interfaces: Serial ATA III, Serial ATA II
Storage drive sizes supported: 2.5,3.5″
Number of M.2 (M & B) slots: 2
Feature: RAID support
RAID levels: 0, 1, 5, 10, 50, 60, JBOD
Feature: Online RAID migration
Feature: Online RAID expansion
Feature: RAID rebuild
Feature: Hot-swap drive bays
Supported file systems: FAT32, HFS+, NTFS, ZFS, exFAT, ext3, ext4
Total installed storage capacity: 0 TB
Number of storage drives supported: 8
Installed storage drive type: No
Supported storage drive types: HDD & SSD
Feature: Disk roaming
Processor
Processor manufacturer: Intel
Processor family: Intel Atom®
Processor model: C5125
Processor frequency: 2.8 GHz
Processor cores: 8
Processor threads: 8
Processor cache: 9 MB
Number of processors installed: 1
Feature: ECC supported by processor
Thermal Design Power (TDP): 50 W
Memory
Internal memory: 8 GB
Internal memory type: DDR4
Maximum RAM supported: 64 GB
Memory slots: 2
Memory form factor: SO-DIMM
Flash memory: 5000 MB
Network
Feature: Ethernet LAN
Ethernet LAN data rates: 10,100,1000,2500 Mbit/s
Feature: DHCP server
Feature: Jumbo frames support
Feature: iSCSI support
Feature: Wake-on-LAN ready
Supported network protocols: IPv4, IPv6
Feature: Dynamic DNS (DDNS)
Ports & interfaces
Feature: USB port
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4
Fiber optic connector: MTP
Ethernet LAN (RJ-45) ports: 2
PCI Express x4 (Gen 3.x) slots: 2
Design
Chassis type: Rack (2U)
Cooling type: Active
Product colour: Black
Number of fans: 3 fan(s)
Fan diameter: 6 cm
LED indicators: Yes
Performance
Type: NAS
Device class: Small & Medium Business
Feature: Backup function
Backup features: USB drive, iSCSI LUN
Feature: Buzzer
Feature: Snapshot
Management protocols: SNMP V2, V3
Security algorithms: AES, FIPS 140, HTTPS, SSH
Feature: Access Control List (ACL)
Feature: Reset button
Feature: On/off switch
Feature: Built-in FTP server
Browser supported: Apple Safari (latest version) Google Chrome (latest version) Microsoft Edge (latest version) Mozilla Firefox (latest version)
Feature: System log
Feature: Hot spare
Feature: S.M.A.R.T. support
Share folder: CIFS/SMB
Feature: USB copy function
Software
Operating system installed: QuTS hero
Operating system version: h5.0.1
Windows operating systems supported: Windows 10, Windows 11, Windows 7, Windows 8
Linux operating systems supported: CentOS 7.0, Ubuntu 14.04, Yes
Mac operating systems supported: Mac OS X 10.10 Yosemite, Yes
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
Power
Power supply location: Built-in
Power supply unit (PSU) capacity: 250 W
Number of power supply units: 1
Power consumption (typical): 79.113 W
Power consumption (sleep): 49.799 W
AC input voltage: 100 – 240 V
Fan voltage: 12 V
Weight & dimensions
Width: 432 mm
Depth: 297.4 mm
Height: 88.6 mm
Weight: 7.61 kg
Package width: 530 mm
Package depth: 210 mm
Package height: 592 mm
Package weight: 10.9 kg
Packaging content
Cables included: AC, LAN (RJ-45)
Power cables quantity: 1
Feature: Quick installation guide
Number of screws: 56
Package type: Box
Operational conditions
Operating temperature (T-T): 0 – 40 °C
Operating relative humidity (H-H): 5 – 95%
Storage temperature (T-T): -20 – 70 °C
Other features
Feature: Fibre Channel
Warranty period: 3 year(s)