2. Product Overview
This chapter provides basic information about the QNAP TS-451DeU NAS.
About the TS-451DeU
The TS-451DeU is powered by an Intel® Celeron® J4025 dual-core 2.0 GHz processor, AES-NI hardware
encryption engine, and supports up to 8 GB of DDR4 memory. The NAS features two M.2 2280 SATA 6
Gbps SSD slots and provides four hot-swappable SATA 6 Gbps drive bays to support both hard disk drives
and solid-state drives. The TS-451DeU also includes two USB 2.0 ports and two USB 3.2 Gen 1 ports.
Hardware Specifications
Tip
Model specifications are subject to change without prior notice. To see the latest
specifications, go to https://www.qnap.com.
Component TS-451DeU-2G
Processor
CPU Intel® Celeron® J4025
Frequency 2-core/2-thread 2.00 GHz base/2.90 GHz burst
Architecture x86 64-bit
Encryption engine AES-NI
Memory
Pre-installed memory 2GB: 1 x 2 GB SODIMM DDR4
Memory slots 2 x SODIMM DDR4
Important
• 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.
• Using unsupported modules may degrade
performance, cause errors, or prevent the
operating system from starting.
Maximum memory 8 GB RAM: 2 x 4 GB
Flash memory 4 GB (dual-boot OS protection)
Storage
Drive bays 4 x 3.5-inch SATA 6 Gbps
Note
The SATA 6 Gbps drive bays are backward compatible
with SATA 3 Gbps drives.
TS-451DeU User Guide
Product Overview 4
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