QNAP

QNAP TS-435XEU-4G 4-Bay 1U Rackmount NAS, 4GB RAM, 2x 2.5GbE

Processor manufacturerMarvell
Internal memory4 GB
Storage temperature (T-T)-20 - 70
Power consumption (typical)30.88 W
Operating temperature (T-T)0 – 40 °C
Flash memory4000 MB

The QNAP TS-435XEU-4G is a short-depth 1U rackmount NAS built for businesses that need reliable network-attached storage without sacrificing rack space. Powered by a Marvell quad-core processor and equipped with 4 GB of RAM, it delivers responsive performance for file sharing, backup, and team collaboration right out of the box.

Description

Compact Rackmount Design with Dual 2.5GbE Connectivity

4-bay drive configuration with no HDD included — populate with your choice of drives for full flexibility
Dual 2.5GbE LAN ports for high-throughput network connectivity and link aggregation support
4 GB RAM on a Marvell CPU platform, capable of handling multiple simultaneous users and services
Short-depth 1U rackmount form factor fits easily into smaller media cabinets and cable-heavy environments
Black/Grey chassis designed for clean integration into standard server racks

The TS-435XEU-4G suits SMBs, remote offices, and AV or surveillance environments where rack space is limited but storage performance and network speed remain priorities.

Specifications

General

Brand	QNAP
Model name	TS-435XEU
Product colour	Black/Grey
Remotely operated	Yes
Type	NAS
Buzzer	Yes
Snapshot	Yes
Disk scan	Yes
Hot spare	Yes
System log	Yes
DHCP client	Yes
DHCP server	Yes
Auto-rebuild	Yes
Chassis type	Rack (1U)
Device class	Small & Medium Business
Disk roaming	Yes
Fan diameter	40
RAID rebuild	Yes
Share folder	Y
Bad block scan	Yes
Number of fans	3
Rack mount kit	Yes
Backup function	Yes
Link aggregation	Yes
Number of screws	28
Dynamic DNS (DDNS)	Yes
Built-in FTP server	Yes
Online RAID expansion	Yes
Online RAID migration	Yes
Access Control List (ACL)	Yes
Universal Plug and Play (UPnP)	Yes
Operating relative humidity (H-H)	5 - 95
Warranty	3 years
EAN	4713213519332

Processor

Processor manufacturer	Marvell
Processor family	Marvell
Processor model	CN9131
Processor cores	4
Processor frequency	2.2 GHz

Memory

Internal memory	4 GB
Internal memory type	DDR4
Memory slots	1
Memory form factor	SO-DIMM

Storage

Hot-swap drive bays	Yes
Storage drives installed	No
Storage temperature (T-T)	-20 - 70
Installed storage drive type	No
Storage drive sizes supported	2.5/3.5/M.2
Supported storage drive types	HDD & SSD
Total installed storage capacity	0
Number of storage drives supported	4
Supported storage drive interfaces	M.2, Serial ATA II, Serial ATA III

Camera

Flash memory	4000 MB

Ports

USB 2.0 ports quantity	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2
USB port	Yes
Ethernet LAN	Yes
Ethernet LAN (RJ-45) ports	2
Ethernet LAN data rates	100/1000/10000/2500
Cable lock slot	Yes
Cable lock slot type	Kensington
Wake-on-LAN ready	Yes
Fiber ports quantity	2
Fiber optic connector	SFP+

Software & security

Operating system installed	QNAP QTS
Operating system version	5.0.0
Mac operating systems supported	Yes
Linux operating systems supported	Yes
Server operating systems supported	Windows Server 2008 R2/Windows Server 2012/Windows Server 2012 R2/Windows Server 2016/Windows Server 2019
Windows operating systems supported	Yes

Keyboard & controls

On/off switch	Yes
Reset button	Yes

Battery & power

Power consumption (typical)	30.88 W
AC input voltage	100 – 240 V
AC input frequency	50 – 60 Hz
Fan voltage	12
Power cables quantity	1
Power supply location	Built-in
Concurrent connections	1500
Number of power supply units	1
Power consumption (HDD standby)	17.367
Power supply unit (PSU) capacity	100

Performance & capacities

Operating temperature (T-T)	0 – 40 °C
RAID levels	0/1/10/5/6/JBOD
Cooling type	Active
Load balancing system	Yes

Features

Cables included	AC/LAN (RJ-45)
LED indicators	Yes
Package type	Box
RAID support	Yes
iSCSI support	Yes
Backup features	Cloud/iSCSI LUN
Browser supported	Apple Safari, Google Chrome, Microsoft Edge, Mozilla Firefox, Microsoft Edge
S.M.A.R.T. support	Yes
Jumbo frames support	Yes
Multilingual support	Yes
Maximum RAM supported	32
Supported file systems	exFAT/ext3/ext4/FAT32/HFS+/NTFS