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30% of QNAP users choose RAID 5 arrays for their NAS to provide higher data protection, better system performance and optimized storage utilization. The 3-bay TS-351 not only allows you to build a RAID 5 array on your NAS with the fewest disks, but also features M.2 SSD slots and efficient auto-tiered storage that realizes optimal system performance. The TS-351 is also a home entertainment portal for streaming and sharing photos, music, and videos throughout your home and beyond. Featuring a minimalist design, the TS-351 can easily fit your home space as a brilliant digital hub!
Build a secure RAID 5 array with three disks for optimized storage capacity and protection against one disk failing.
H.264 hardware decoding and real-time transcoding; Full HD 1080p HDMI output for direct multimedia playback.
Install SSDs for cache acceleration with the built-in M.2 PCIe (Gen2 x1, up to 500 MB/s) NVMe SSD slots.
Effortlessly centralize, organize, browse, and share your multimedia files.
Qtier™ technology and SSD caching enable 24/7-optimized storage efficiency.
Snapshots fully record system status and data, allowing you to protect files and data from accidental deletion and malware attacks.
Dual-core high performance
The TS-351 is designed for home and small offices, allowing you to effortlessly manage files and enjoy multimedia entertainment while also providing reliable data protection. It uses an Intel® Celeron® J1800 dual-core 2.41 GHz processor (burst up to 2.58 GHz) and 2GB/4GB DDR3L memory (upgradable to 8GB), provides 3.5-inch SATA 3Gb/s and 6Gb/s drive bays, and supports AES 256-bit encryption for both full NAS volumes and shared folders, ensuring system performance while protecting the confidentiality of sensitive business data stored in the NAS.
Tested in QNAP Labs. Figures may vary by environment.
OS: QTS 4.3.4
Volume type: RAID 5; 3 x ST1000NM0033-9ZM173 SN03
Client PC: Windows 10, Intel® Core™ i7-6700 3.40GHz, 64GB RAM
Elegant appearance, effective airflow
The TS-351 sports a stylish and elegant look with an industrial design concept to provide effective airflow and better cooling, ensuring smooth performance even under the heaviest loads. The tool-less 3.5-inch hard drive installation allows easier system setup and maintenance, while the front-panel LEDs assist in viewing system status.
CPU Intel® Celeron® J1800 dual core 2.41 GHz processor, up to 2.58 GHz System Memory 2 GB DDR3L (1 x 2 GB) Maximum Memory 8 GB (2 x 4 GB) Memory Slot 2 x SODIMM slot Flash Memory 512 MB NAND Flash Drive Bay Hot-swappable 3 x 3.5"/2.5" SATA HDDs/SSDs
1. HDD 1~2 supports SATA 3Gb/s, HDD 3 supports SATA 6Gb/s
2. 2.5-inch HDD/SSD drive tray bases can be purchased from QNAP Online Shop
M.2 SSD Slot 2 x M.2 PCIe (Gen2 x1, up to 500 MB/s) NVMe 2280 slots
1. The M.2 SSD is not included as standard.
2. M.2 SSD operations can easily generate excessive heat. It is recommended to install a heatsink (from QNAP or a third-party provider) on the M.2 SSD.
HDMI Output 1 x HDMI v1.4a Gigabit Ethernet Port 1 x Gigabit RJ45 USB Port 1 x USB 3.0
2 x USB 2.0
Audio 1 x Built-in speaker
1 x 3.5mm line out jack
Note: You cannot use the speakers and the line-out jack simultaneously.
LED Indicators Status/Power, LAN, USB, HDD 1-3, M.2 SSD 1-2 Buttons Power, Reset, USB One-touch-copy System Warning Buzzer or Smart voice prompt Form Factor Tower Dimensions (H x W x D) 142 x 150 x 260.1 mm
5.59 x 5.9 x 10.24 inch
Power Consumption (W) HDD standby: 13.21 W
In operation: 25.63 W
(with 3 x HDDs and 2 x M.2 SSDs)
M.2 SSD: INTEL SSDPEKKW12 128G
Sound Level Sound pressure (LpAm): 21.8 dB(A) Weight Net weight: 1.64 kg (3.62 lbs)
Gross Weight: 2.69 kg (5.93 lbs)
Operating Temperature & Relative Humidity 0 ~ 40˚C ( 32˚F ~ 104˚F ), 5 ~ 95% RH non-condensing, wet bulb: 27˚C (80.6˚F) Security Slot Kensington security slot Fan 1 x 9cm smart fan (12V DC) Power Supply Unit 65W AC Adapter, 100-240VNote: 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.
* Sound Level Test Environment: Refer to ISO 7779; Maximum HDD loaded; Bystander Position; Average data from 1 meter in front of operating NAS.
Designs and specifications are subject to change without notice.
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