4-Bay 10GbE Short-Depth Rackmount NAS
QNAP TS-435XeU-4G Rackmount NAS
A four-bay short-depth 1U NAS with a 64-bit ARM Cortex-A72 quad-core processor, 4 GB DDR4 memory, dual 10GbE SFP+, dual 2.5GbE and two M.2 NVMe slots.
Short-depth rack storage with built-in 10GbE
The QNAP TS-435XeU-4G is a 292.12 mm-deep 1U NAS built for teams that need high-speed rack storage in a compact installation. Dual 10GbE SFP+, dual 2.5GbE and two M.2 NVMe slots support fast file access and caching, while backup, snapshots, containerisation, cloud-storage gateways and scalable surveillance are included in its business application positioning.
Key features and benefits
Dual 10GbE SFP+
Two built-in 10GbE ports support demanding file access, backup and media-transfer workflows.
Dual 2.5GbE RJ45
Two additional multi-gigabit ports support flexible network deployment and port trunking.
Two M.2 NVMe slots
Compatible M.2 2280 PCIe Gen 3 x1 SSDs can be used for cache acceleration or SSD storage pools.
Short-depth 1U chassis
The compact 292.12 mm depth suits smaller cabinets and cable-dense rack locations.
Container applications
The NAS can host multiple containerised applications and services.
Expandable storage
Compatible QNAP expansion units can be connected as capacity requirements grow.
Who is this model best for?
A strong choice for
- Compact business rack installations
- Teams needing built-in 10GbE SFP+
- Backup and restoration workflows
- Containerised applications
- Surveillance and cloud-gateway deployments
Consider another model if you need
- You require redundant power supplies
- You need a confirmed exact CN9130/CN9131 processor variant
- You need PCIe card expansion
Key specifications
- Processor family
- Marvell OCTEON TX2 ARMv8 Cortex-A72, 4-core, 2.2GHz
- System memory
- 4 GB SODIMM DDR4 (1 × 4 GB)
- Maximum memory
- 32 GB (1 × 32 GB)
- Drive bays
- 4 × 3.5-inch SATA 6Gb/s, 3Gb/s
- Drive compatibility
- 3.5-inch SATA HDD; 2.5-inch SATA SSD
- M.2 slots
- 2 × M.2 2280 PCIe Gen 3 x1
- Networking
- 2 × 10GbE SFP+; 2 × 2.5GbE RJ45
- USB
- 2 × USB 2.0; 2 × USB 3.2 Gen 1
- Dimensions
- 43.3 × 430 × 292.12 mm
- Power supply
- 100W, 100–240V
Full technical specifications
Processor, memory and storage
| CPU Architecture | 64-bit ARM |
|---|---|
| Floating Point Unit | Supported |
| Encryption Engine | Supported |
| System Memory | 4 GB SODIMM DDR4 (1 x 4GB) |
| Maximum Memory | 32 GB (1 x 32 GB) |
| Memory Slot | 1 x SODIMM DDR4 QTS Firmware version 5.0.1(0426) and later will support ECC. |
| 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 | Supported |
| M.2 Slot | 2 x M.2 2280 PCIe Gen 3 x1 slots Compatible with NVMe SSD PCIe Gen 3 and above. |
| SSD Cache Acceleration Support | Supported |
| Max. Number of Concurrent Connections (CIFS) - with Max. Memory | 1500 |
Network, ports and expansion
| 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) | Supported |
| Jumbo Frame | Supported |
| USB 2.0 port | 2 |
| USB 3.2 Gen 1 port | 2 |
Physical, environmental and power
| 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. |
| 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 | Supported |
Frequently asked questions about the TS-435XeU-4G
What is the QNAP TS-435XeU-4G?
The TS-435XeU-4G is a four-bay short-depth 1U rackmount NAS with dual 10GbE SFP+, dual 2.5GbE and two M.2 NVMe slots.
Which processor does the TS-435XeU-4G use?
The TS-435XeU-4G uses a Marvell OCTEON TX2 ARMv8 Cortex-A72 four-core processor running at 2.2GHz; the exact CN9130/CN9131 variant should be confirmed.
How much memory is included with the TS-435XeU-4G?
The TS-435XeU-4G includes 4 GB SODIMM DDR4 memory and supports a stated maximum of 32 GB.
How many drive bays does the TS-435XeU-4G have?
It has four 3.5-inch SATA 6Gb/s, 3Gb/s drive bays.
Which drive types are supported by the TS-435XeU-4G?
It supports 3.5-inch SATA hard disk drives and 2.5-inch SATA solid-state drives.
Which network ports are built into the TS-435XeU-4G?
It includes two 10GbE SFP+ ports and two 2.5GbE RJ45 ports.
What expansion options does the TS-435XeU-4G provide?
It provides two M.2 2280 PCIe Gen 3 x1 slots and supports compatible QNAP expansion units; no PCIe card slot is listed.
What form factor is the TS-435XeU-4G?
It is a 1U short-depth rackmount NAS.
What are the dimensions of the TS-435XeU-4G?
Its stated dimensions are 43.3 × 430 × 292.12 mm, excluding the ear hooks and protruding power-supply section.
Does the TS-435XeU-4G support ECC memory?
The memory-slot specification states that QTS firmware 5.0.1(0426) and later supports ECC memory.
Important information
Confirm the exact CN9130/CN9131 processor variant and product SKU suffix before purchase.
QTS firmware 5.0.1(0426) and later is stated to support ECC memory.
Check M.2 SSD and expansion-unit compatibility before purchase.
