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4-Bay 1U Short-Depth Rackmount NAS

QNAP TS-432XeU-4G

A compact business-grade NAS with four drive bays, a quad-core 1.7GHz ARM processor, one 10GbE SFP+ port, dual 2.5GbE ports and a 292mm short-depth rackmount chassis.

What is the QNAP TS-432XeU-4G?

The TS-432XeU-4G is a compact 4-bay rackmount NAS designed for backup, file sharing, team collaboration and containerized applications. Its short-depth 1U chassis suits small cabinets and cable-heavy racks, while built-in 10GbE and 2.5GbE connectivity supports high-speed access for individual users and teams.

4 Bays Supports 3.5-inch SATA HDDs and 2.5-inch SATA SSDs

10GbE + 2.5GbE One 10GbE SFP+ port and two 2.5GbE RJ45 ports

4GB DDR4 Installed memory, expandable up to 16GB

292mm Depth Space-saving 1U short-depth rackmount design

Compact Rackmount Storage for Growing Teams

High-value business storage designed to reduce space and technical overhead.

The TS-432XeU combines four-bay storage capacity with high-speed networking in a 12-inch short-depth chassis. It is designed to support everyday backup and restore tasks, shared file access and team collaboration without occupying the depth of a conventional rackmount server.

Its compact form allows installation in small media cabinets, wall-mounted racks and other space-constrained environments, including small offices, factories, security monitoring rooms, media studios and in-vehicle setups.

Core Hardware and Connectivity

Quad-core processing, expandable memory and high-speed network interfaces.

Quad-Core Processing

An Annapurna Labs Alpine quad-core ARM Cortex-A57 processor operating at up to 1.7GHz supports multitasking business workloads.

Expandable DDR4 Memory

Includes 4GB DDR4 non-ECC memory and supports expansion up to 16GB through one SODIMM slot.

AES 256-Bit Encryption

The integrated encryption engine supports AES 256-bit encryption for protected data processing.

10GbE SFP+ Networking

A built-in 10GbE SFP+ port accelerates large file transfers, demanding workloads and backup operations.

Dual 2.5GbE Ports

Two 2.5GbE RJ45 ports support SMB Multichannel or port trunking to increase available network bandwidth.

Four USB 3.2 Gen 1 Ports

Connect QNAP USB JBODs, external HDDs or SSDs, and flash drives for backup, import or cold-storage workflows.

High-Speed Networking Options

Choose a network configuration for faster individual access or smoother multi-user file sharing.

SMB Multichannel

Combines available bandwidth between the NAS and a single connected device to reduce file-transfer time. The supplied content positions this option for SOHO users and small offices.

Port Trunking

Aggregates compatible network ports to expand bandwidth for simultaneous access by multiple users. The supplied content positions this option for multi-user environments with network switches.

Backup, Protection and Application Support

Centralised storage services for business data and everyday workflows.

Centralised Backup

Supports dedicated backup solutions for different data types and endpoints.

Snapshot Protection

Scheduled snapshots help defend stored data against ransomware and other threats.

Business and Multimedia Apps

Supports file sharing and sync, containerized applications, cloud storage gateway functions and media streaming.

Supplied Performance Test Results

QNAP Labs sequential SMB throughput figures for the listed test environment.

2 × 2.5GbE

591 MB/sWrite

590 MB/sRead

1 × 10GbE

859 MB/sWrite

1181 MB/sRead

Test environment: TS-432XeU running QTS 5.2.7; four Samsung 850 PRO 512GB SATA drives in RAID 5; Windows Server 2019 client with AMD EPYC 7232P 3.09GHz processor, 64GB RAM and QXG-10G2SF-CX4.

Tested in QNAP Labs. Figures may vary by environment.

Frequently Asked Questions

Quick answers about the QNAP TS-432XeU-4G.

How many drives does the TS-432XeU-4G support?

It has four hot-swappable 3.5-inch SATA drive bays that support 3.5-inch SATA hard drives and 2.5-inch SATA solid state drives.

What network ports are included?

It includes one 10GbE SFP+ port and two 2.5GbE RJ45 ports.

Can the memory be upgraded?

Yes. The NAS includes 4GB DDR4 memory and supports up to 16GB through one SODIMM DDR4 slot.

Does it support SSD cache acceleration?

Yes. SSD cache acceleration support is listed in the supplied datasheet.

Why is the short-depth chassis useful?

The 292mm chassis depth allows installation in small cabinets, wall-mounted racks and other space-constrained locations.

Which applications are supported?

The supplied content lists file sharing and sync, snapshot protection, containerized applications, cloud storage gateway functions and media streaming.

What is the standard warranty?

The supplied datasheet lists a standard three-year warranty.

Memory note: Use compatible QNAP memory modules to maintain system performance and stability. Refer to the hardware user manual before installing or replacing memory.

Product images are for illustrative purposes only. Designs and specifications may change without notice.

(TS-432XeU-4G)

QNAP TS-432XeU-4G Specifications

Review the processor, memory, storage, networking, connectivity, physical, power and environmental specifications.

Specification	Details
Processor and Memory
CPU	Annapurna Labs Alpine quad-core ARM Cortex-A57 processor, 1.70GHz
CPU Architecture	64-bit ARM
Encryption Engine	Yes; supports AES 256-bit encryption
System Memory	4GB SODIMM DDR4 non-ECC
Maximum Memory	16GB (1 × 16GB)
Memory Slot	1 × SODIMM DDR4
Storage
Drive Bays	4 × 3.5-inch SATA 6Gb/s, 3Gb/s
Drive Compatibility	3.5-inch SATA hard disk drives 2.5-inch SATA solid state drives
Hot-Swappable	Yes
SSD Cache Acceleration Support	Yes
Networking
2.5 Gigabit Ethernet	2 × 2.5GbE RJ45 ports (2.5G/1G/100M)
10 Gigabit Ethernet	1 × 10GbE SFP+
Wake on LAN	Yes
Jumbo Frame	Yes
External Connectivity
USB Ports	4 × USB 3.2 Gen 1 ports (5Gbps)
Performance
SMB Sequential Throughput, 1MB 2 × 2.5GbE	Write: 591MB/s Read: 590MB/sTested in QNAP Labs. Figures may vary by environment.
SMB Sequential Throughput, 1MB 1 × 10GbE	Write: 859MB/s Read: 1181MB/sTested in QNAP Labs. Figures may vary by environment.
Performance Test Environment	NAS: TS-432XeU OS: QTS 5.2.7 Volume: 4 × Samsung 850 PRO 512GB SATA drives, RAID 5 Client PC: Windows Server 2019, AMD EPYC 7232P 3.09GHz, 64GB RAM, QXG-10G2SF-CX4
Physical Specifications
Form Factor	1U short-depth rackmount
LED Indicators	HDD 1–4, status, LAN, USB
Buttons	Power, reset
Dimensions (H × W × D)	43.3 × 430 × 292.12mmExcludes ear hook and the protruding part of the power supply unit.
Net Weight	4.91kg
Gross Weight	5.82kg
Kensington Security Slot	Yes
Power and Cooling
Power Supply	100W PSU, 100–240V
Cooling Fans	3 × 40mm, 12VDC
System Warning	Buzzer
Operating Environment
Operating Temperature	0–40°C (32–104°F)
Storage Temperature	-20–70°C (-4–158°F)
Relative Humidity	5–95% RH non-condensing, wet bulb: 27°C (80.6°F)
Warranty and Connections
Standard Warranty	3 years
Maximum Concurrent CIFS Connections	1,500 with maximum memory installed

Memory note: Use compatible QNAP memory modules to maintain system performance and stability. Refer to the hardware user manual before installing or replacing memory. Unsupported modules may degrade performance, cause errors or prevent the operating system from starting.

Product images are for illustrative purposes only. Designs and specifications may change without notice.

SKU	TS-432XeU-4G
Model #	TS-432PXU
Brand	QNAP
Shipping Weight	9.2000kg
Shipping Width	0.670m
Shipping Height	0.630m
Shipping Length	0.180m
Shipping Cubic	0.065392000m3