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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
2-port miniSAS HD host bus adapter, Broadcom Tomcat SAS3408, PCIe 3.0 x 8 for TL SAS JBOD series
|Controller||Broadcom SAS3408 Tri-mode|
|Connector||Two (x4) SFF-8644|
|PCIe and Lanes||PCIe Gen 3 x8|
|Tri-mode||12Gb/s SAS, 6Gb/s SATA, and PCIe (NVMe)* up to 8.0 GT/s|
|Bracket||Low-profile (default). Desktop and Full-height brackets are also included.|
|Supported Cable**||CAB-SAS05M-8644, CAB-SAS10M-8644, CAB-SAS20M-8644, CAB-SAS30M-8644|
|Note||* A wide port with four SAS signals.
** Only passive cables are supported. Passive cables are sold separatedly.
*Only QNAP certified transceivers are supported. Check compatibility list. Note: QNAP Fibre Channel cards only support QNAP NAS with the QTS or QTS hero operating system. Windows®, Linux®, and other systems are not supported.
Compared with SATA, SAS enables low-latency, power-efficient, and IOPS-optimized storage capabilities. Each SAS port combines four 12Gb/s SAS channels, delivering up to 48Gb/s per host connection.
|Reliability||700,000+ hours @25℃||1.2-1.6M hours 24/7 @45℃|
A NAS with a SAS expansion card can be daisy-chained with up to 16 devices, including TL SAS JBOD storage enclosures and REXP expansion units. This provides to potential to store up to 4.6PB (calculated using 18TB drives in sixteen 16-bay enclosures).
SAS expansion cards can be flexibly configured to fit various usage applications. By managing multipath or link aggregation with NAS to expansion units, data transfer loads are effectively balanced, and you can avoid interrupting system services and prevent backup failures.
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.