QNAP

QNAP TS-435XeU Short-Depth 4-Bay Rackmount NAS

A short-depth 4-bay rackmount NAS that pairs dual 10GbE and dual 2.5GbE networking with NVMe caching for space-limited racks

$749.00*
In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jul 22, 2026.Price and availability are subject to change.

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Overview

The QNAP TS-435XeU-4G-US targets a specific gap in the storage market: teams that need serious network throughput but lack the room for a standard-depth rackmount NAS. This is a short-depth four-bay unit, which makes it a natural fit for shallow network cabinets, wall-mount racks, and edge deployments where every inch counts. Driving it is a Marvell OCTEON TX2 CN9130/CN9131 ARMv8 Cortex-A72 quad-core processor at 2.2 GHz, backed by 4GB of DDR4 RAM that scales up to 32GB. That combination positions it as a capable file-serving and backup appliance for small-to-midsize workgroups rather than a heavy virtualization host.

Where the TS-435XeU earns attention is connectivity. The chassis carries both dual 2.5GbE and dual 10GbE ports, an unusually generous networking spread for a compact enclosure, giving administrators flexibility to segment traffic or aggregate bandwidth for demanding transfers. Two M.2 PCIe Gen 3 x1 NVMe slots round out the performance story, supporting either read/write cache acceleration or standalone SSD storage pools. On the software side, Boxafe lets organizations back up Google Workspace and Microsoft 365 data straight to the NAS, keeping cloud-hosted files under local control. Buyers weighing this model should match the four-bay capacity and ARM processor against their workload, but for space-constrained sites that prize network speed, it makes a compelling case.

Key Features

Marvell OCTEON TX2 CN9130 / CN9131 ARMv8 Cortex-A72 Quad Core 2.2 GHz processor and 4GB DDR4 RAM (up to 32GB

Dual 2.5GbE (2.5G/1G/100M) ports accelerates file sharing across teams and devices or streamline large file transfers

Future-proof your NAS server with Dual 10GbE networking

Dual M.2 PCIe Gen 3 x1 NVMe SSD slots enable cache acceleration or SSD storage pools for improved performance

Backup Google Workspace & Microsoft 365 accounts and files to NAS with Boxafe

Specifications

Brand
QNAP
Model
TS-435XeU-4G-US
Form Factor
Short depth rackmount
Drive Bays
4 bay
Processor
Marvell OCTEON TX2 CN9130 / CN9131 ARMv8 Cortex-A72 Quad Core
CPU Clock Speed
2.2 GHz
Memory
4GB DDR4 (expandable up to 32GB)
2.5GbE Ports
Dual (2.5G/1G/100M)
10GbE Ports
Dual
M.2 SSD Slots
Dual M.2 PCIe Gen 3 x1 NVMe
Cloud Backup
Boxafe for Google Workspace and Microsoft 365

Frequently Asked Questions

Yes. It uses a short-depth rackmount chassis specifically designed for shallow cabinets and space-constrained racks where standard-depth NAS units will not fit.
It provides both dual 2.5GbE ports (2.5G/1G/100M) and dual 10GbE ports, giving you broad bandwidth options for file sharing and large transfers in one compact unit.
Yes. It includes two M.2 PCIe Gen 3 x1 NVMe slots that can be configured for cache acceleration or as dedicated SSD storage pools to improve responsiveness.
It ships with 4GB of DDR4 RAM and supports expansion up to 32GB, letting you scale memory as multi-user or heavier workloads demand.
Yes. QNAP's Boxafe application lets you back up Google Workspace and Microsoft 365 accounts and files directly to the NAS, keeping cloud data under local control.
It runs a Marvell OCTEON TX2 CN9130/CN9131 ARMv8 Cortex-A72 quad-core chip at 2.2 GHz, well suited to file serving and backup tasks for small-to-midsize teams.