Datasheet

02
Exceptional quality and
outstanding ROI
High performance Quard- core processor for
demanding workloads
The TS-251+/451+ is powered by a 64-bit Intel® Celeron® quad-core 2.0GHz processor and has 2GB/8GB energy-efficient DDR3L RAM (upgradable to
8GB) and dual Gigabit LAN ports, delivering up to 225 MB/s read & write speeds with port trunking mode. The TS-251+/451+ can also automatically
increase the processor's clock rate from 2.0GHz to 2.42GHz when needed for CPU-intensive tasks.
Quad-core 64-bit Intel® Celeron® CPU for exceptional performance
AES 256-bit volume & folder encryption
The TS-251+/451+ supports AES 256-bit volume & folder encryption with transfer speeds of up to 204 MB/s (TS-451+), boosting system
performance & security while ensuring the safety of sensitive personal data stored in the TS-251+/451+.
Enjoy videos on TV with bundled remote
control
The TS-251+/451+ is very simple and intuitive to use. You can
use the dedicated QNAP remote control to directly control and
play multimedia on your TS-251+/451+
Test Environment: NAS: OS: QTS 4.2.0
RAID type: RAID 5; 4 x Seagate 1TB HDD (ST1000NM0033);
direct connection between a NAS and PC
Client PCs:
Intel® CoreTM i7-4790 3.60GHz CPU; DDR3-1600 16GB; Seagate 500GB ST500DM002; Intel Gigabit CT (MTU 1500);Windows® 7 Professional 64bit SP1
IOMeter configuration: Continuously read from/write to a single 8GB file for 4 minutes. Block size: 64KB for SMB2.0 (Throughput)
The results are from QNAP Labs. Figures may vary by environment.
Throughput AES-256 Volume Encryption Throughput
Windows® sequential Read / Write (64KB, 2 x GbE) Windows® sequential Read / Write Encryption (64KB, 2 x GbE)