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Application for QM2 SSD slots:
- Create a volume on these SSD and use them as extra storage
- Enable Read Cache
- Enable Read/Write Cache
- Enable Qtier feature
- Boost performance in case of memory swapping
QNAP TS-251+ 2GB Diskless, Quad-Core Intel Celeron 2.0GHz, 2GB DDR3L RAM (1 x 2GB), 2 x 1GbE RJ-45, Hardware Transcoding, HDMI Output, Virtualization Support.
Facing the increasing demand for data storage, sharing and multimedia processing, more and more users are looking for a NAS system with good performance and an affordable price tag. The Intel® quad-core TS-251+ provides an uncompromising high-performance scalable storage solution for professional users. Powered by the intelligent QTS 4.2 operating system, the TS-251+ performs as an easy-to-use yet powerful NAS for data backup, file synchronization and sharing, remote access and multimedia applications, and is ideal for users to create a secure private cloud to access their data easily.
|CPU||Quad-Core Intel® Celeron® 2.0GHz (burst up to 2.42GHz)|
Floating Point Unit
|GPU||Intel® HD Graphics|
TS-251+-2G: 2GB DDR3L RAM (1 x 2GB)Total memory slots: 2 SODIMM
TS-251+-8G: 8GB DDR3L RAM (2 x 4GB)
Expandable up to: 8 GB
1. When installing two memory modules, please ensure that they are the same size and ideally use the same type of RAM for both memory slots.
2. For the information of RAM module installation and compatible NAS models, please refer to the QNAP RAM Module Installation Guide
|Drive||2 x 2.5" or 3.5" SATA 6Gb/s, 3Gb/s HDD or SSD; hot swappable trays
For the HDD compatibility list, please visit https://www.qnap.com/compatibility
|Expansion Unit||Max. 1 (UX-800P, UX-500P)|
|Gigabit LAN Ports||2|
|USB||2 x USB 3.0 (Front: 1, Rear: 1)
2 x USB 2.0 (Rear)
|IR Receiver||Yes (QNAP RM-IR002 remote control)|
|LED Indicators||Power/Status, LAN, USB, HDD1-2|
|Buttons||Power, Reset, USB Auto Copy|
|Alarm Buzzer||System warning|
|Dimensions (HxWxD)||169 x 102 x 219 mm
6.65 x 4.02 x 8.62 inch
|Weight (Net / Gross)||1.28 kg (2.82 lbs) / 2.32 kg (5.11 lbs)|
|System Fan||1 x 7cm, 12V DC|
|Kensington Security Slot||1|
|Power Supply||External Power Adapter, 60W, 100-240V|
|Power Consumption (W)||S3 sleep: 0.57
HDD standby: 10.56
In operation (typical): 18.09
|Sound Level*||Sound pressure (LpAm) :15.4 dB(A)|
|Temperature||0 - 40 °C|
|Humidity||5~95% RH non-condensing, wet bulb: 27˚C|
Application for QM2 SSD slots:
Configured system orders start here!
The selected drives are batch controlled and tested using our HDD and SSD servers. Passed drives are then installed in the NAS with Volume and RAID set. Our pre-burn testing prepares the NAS with an initial system and drive testing cycle to ensure that the integrity of the entire system is tested and passed with no issues at all.
Our stress testing (burn-test) cycle commences for a minimum of 24 hours and extends to 48 hours if requested or required. This is undertaken in order to ensure stability when used in a normal environment. These tests can include extremes of workload (constant I/O's), CPU and memory use, thermal load (heat), clock speed, or voltages, bus and connectivity components, with the primary stress testing software aiming to test stability by trying to force a system to fail. Our tests put a greater emphasis on robustness, availability and error handling heavy loads.
Once the tests are complete we QA and pack the system back into it's retail box. Then it's double boxed to protect the unit during shipping. You receive your QNAP NAS Ready To Plug 'N' Store. It doesn't get any easier. Buy your NAS from the QNAP EXPERTS at QNAP DIRECT.