QNAP TS-435XeU-4G

Short depth rackmount 4-bay NAS, supporting 2.5GbE/10GbE connectivity and M.2 NVMe SSD caching

The compact and feature-rich TS-435XeU provides a professional-grade quad-core NAS solution in short depth rackmount form factor. The native 10GbE SFP+ and 2.5GbE connectivity alongside M.2 NVMe SSD slots that enable cache acceleration allows businesses to efficiently tackle everyday tasks like file backup/restore and to boost team collaboration with higher productivity. The space-efficient short depth design makes the TS-435XeU easy to install in small media cabinets or places with a lot of cabling. Supporting abundant business applications (including file sharing and sync, snapshot protection, containerization, cloud storage gateways, and video streaming), expandable storage capacity, and install-on-demand apps, the TS-435XeU is an ideal cost-effective entry-level rackmount NAS.

Smaller footprint for bigger opportunities

Compared to a traditional 4-bay rackmount NAS, the compact TS-435XeU has a depth of only 11.49 inches (292 mm). This makes the TS-435XeU an excellent choice for smaller racks, and the unused space can be reserved for cabling or ventilation. The TS-435XeU is space-saving for flexible deployment and is especially suitable for multiple locations and applications including offices, audiovisual rooms, and security surveillance recording.

Note: Users can purchase the optional RAIL-B02 rail kit to deploy the TS-435XeU in a 19-inch rack following the ANSI/EIA-RS-310-D standard.

Robust quad-core 2.2 GHz processor

The TS-435XeU is powered by an OCTEON TX2™ infrastructure Marvell® CN9130 series CN9131 ARM®v8 Cortex-A72 quad-core 2.2 GHz processor that features integrated workload-optimized hardware accelerators to meet performance, power and total cost of ownership requirements. The TS-435XeU comes with 4 GB DDR4 memory that can be upgraded to 32 GB for enhanced multi-tasking capabilities, and SATA 6 Gb/s support ensures maximum performance from storage drives.

Supports AES-128-GMAC for SMB signing acceleration

SMB signing (also known as security signatures) is a security mechanism in the SMB protocol. For business applications that demand high-level security, SMB signing helps enhance file sharing security by protecting against interception attacks. However, SMB signing can also negatively impact data transmission performance. QTS 5.1.0 supports AES-128-GMAC signing acceleration (only in Windows Server 2022 and Windows 11 clients) that not only greatly increases data signing efficiency over SMB 3.1.1 but also enhances the CPU utilization of the NAS system - providing the best balance of security and performance.

x86 64-bit NAS

2X Faster

AES-CMAC: 619 MB/s Read
AES-128-GMAC: 1238 MB/s Read

ARM 64-bit NAS

10X Faster

AES-CMAC: 68 MB/s Read
AES-128-GMAC: 738 MB/s Read

ARM 64-bit NAS

10X Faster

AES-CMAC: 68 MB/s Read
AES-128-GMAC: 738 MB/s Read

Test environment:
Crystal Disk Mark 1MB throughput
Client: Windows Server 2022 (AMD EPYC 7232P 3.0GHz, DDR4 128GB) with 10GbE NICs
x86 NAS: TS-h1887XU-RP-E2336-32G, QTS 5.1.0 (GMAC), QTS 5.0.1 (CMAC), Samsung 870 EVO 1TB, RAID 50, onboard Aquantia X550 10GbE NIC
ARM NAS: TS-1232PXU-RP-4G, QTS 5.1.0 (GMAC), QTS 5.0.1 (CMAC), Samsung 860PRO 512GB, RAID 5, onboard Annapurna SFP+ 10GbE NIC

Excellent performance

Tested in QNAP Labs. Figures may vary by environment.

Test Environment:
NAS: TS-435XeU, QTS 5.0
Volume type: RAID 5, 4 x Samsung SSD 860 EVO 1TB SSD
Client PC: Windows Server 2016, Intel® Xeon E-2124 3.30GHz, 64GB RAM
Iometer config.: 30s ramp up time, 3m run time, 16 workers, 4 outstanding I/O, 4GB data  

Virtualization Certifications Supported by TS-435XeU

Streamlined workflows with high-speed 10GbE and 2.5GbE

The TS-435XeU has two 10GbE SFP+ ports and two 2.5GbE RJ45 ports for high-speed networking to satisfy bandwidth-demanding applications (including massive file transfer, high-speed backup/restoration, containers, and multimedia transmission) with the support of port trunking and load balancing. QNAP’s managed and unmanaged 2.5GbE/10GbE switches are a perfect match for organizations to build budget-friendly high-speed networks for productive team collaboration.

Learn More: QNAP 10GbE solutions, QNAP 2.5GbE solutions

Future-proof your IT infrastructure for high-speed networks

QNAP provides comprehensive, budget-friendly storage and networking solutions, allowing you to easily and flexibly upgrade network environments for bandwidth-hungry applications.

Get performance benefits from SSD caching and Qtier Technology

To attain optimal I/O and reduce latency, you can configure SSD caching by using either 2.5-inch SSDs or the two built-in M.2 2280 SSD slots (supports high-performance NVMe PCIe Gen 3 SSDs, sold separately) in the TS-435XeU. Coupled with QNAP’s SSD-aware features, the TS-435XeU maximizes performance with high cost-effectiveness.

Learn More: QNAP SSD Technology

Extend hardware warranty up to 5 years

The TS-435XeU is backed by a 3-year warranty at no additional cost. You can also purchase a warranty extension that extends your warranty coverage up to 5 years.

Hardware Specification

TS-435XeU-4G

CPU	Marvell OCTEON TX2™ CN9130 / CN9131 ARMv8 Cortex-A72 4-core 2.2GHz processor
CPU Architecture	64-bit ARM
Floating Point Unit
Encryption Engine
System Memory	4 GB SODIMM DDR4 (1 x 4GB)
Maximum Memory	32 GB (1 x 32 GB)
Memory Slot	1 x SODIMM DDR4
Flash Memory	4GB (Dual boot OS protection)
Drive Bay	4 x 3.5-inch SATA 6Gb/s, 3Gb/s
Drive Compatibility	3.5-inch bays: 3.5-inch SATA hard disk drives 2.5-inch SATA solid state drives
Hot-swappable
M.2 Slot	2 x M.2 2280 PCIe Gen 3 x1 slots Compatible with NVMe SSD PCIe Gen 3 and above. Please refer to https://www.qnap.com/compatibility/ for compatibility.
SSD Cache Acceleration Support
2.5 Gigabit Ethernet Port (2.5G/1G/100M)	2 (2.5G/1G/100M)
10 Gigabit Ethernet Port	2 x 10GbE SFP+
Wake on LAN (WOL)
Jumbo Frame
USB 2.0 port	2
USB 3.2 Gen 1 port	2
Form Factor	1U Short Depth Rackmount
LED Indicators	HDD 1-4, Status, LAN, USB, M.2 SSD 1-2
Buttons	Power, Reset
Dimensions (HxWxD)	43.3 × 430 × 292.12 mm Excludes ear hook and the protruding part of the Power Supply Unit. Excludes ear hook and the protruding part of the Power Supply Unit.
Weight (Net)	4.91 kg
Weight (Gross)	5.82 kg
Operating Temperature	0 - 40 °C (32°F - 104°F)
Storage Temperature	-20 - 70°C (-4°F - 158°F)
Relative Humidity	5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F)
Power Supply Unit	100W PSU, 100-240V
Power Consumption: HDD Sleep Mode	17.367 W
Power Consumption: Operating Mode, Typical	30.878 W
Fan	3 x 40mm, 12VDC
System Warning	Buzzer
Kensington Security Slot
Standard Warranty	3
Max. Number of Concurrent Connections (CIFS) - with Max. Memory	1500

Note: Use only QNAP memory modules to maintain system performance and stability. For NAS devices with more than one memory slot, use QNAP modules with identical specifications.

Warning: Using unsupported modules may degrade performance, cause errors, or prevent the operating system from starting.
QNAP reserves the right to replace partial parts or accessories if the original is no longer available from its manufacturer/supplier. Any replacement would be fully tested and verified to meet strict compatibility and stability guidelines and will deliver identical performance to the original.
The terms HDMI, HDMI High-Definition Multimedia Interface, HDMI trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc.
Product images are for illustrative purposes only and may differ from the actual product. Due to differences in monitors, colors of products may also appear different to those shown on the site.
Designs and specifications are subject to change without notice.