The QM2 PCIe Expansion Card from QNAP helps to enhance the storage performance of select QNAP NAS devices running the QTS 4.3.4 or later operating system, including the TS-531P, TS-531X, TS-831X, TS-1635, TS-x31XU, TS-x53B, TS-563, TVS-x63, TS-x63U, TS-x70, TS-x70U, TVS-x71, TVS-x71U, and TVS-x82T. It connects to your NAS using its PCIe Gen2 x 2 interface and adds support for two single- or dual-sided SATA SSDs with an M.2 2280 or 22110 form factor, which can be used to create a RAID 1 or RAID 0 caching pool, as well as a storage volume in a tiered storage pool to optimize storage efficiency with Qtier auto-tiering technology. This PCIe card is pre-mounted to a low-profile bracket and included is a low-profile flat bracket and a full-height bracket.
Form factor and generation interface dictate compatibility and speed. Prioritize drives with DRAM caches for OS boot drives, as DRAM-less drives can slow down significantly during heavy multitasking. Available from $89.
Solid State Drives (SSDs) have no ongoing costs and consume minimal power. Their cost of ownership is entirely the upfront price per gigabyte.
Common Failure Modes
SSDs have no moving parts, making them immune to physical shock. Failures occur through flash memory wear-out from writing massive amounts of data or sudden controller death.
Form factor and generation interface dictate compatibility and speed. Prioritize drives with DRAM caches for OS boot drives, as DRAM-less drives can slow down significantly during heavy multitasking.
SSDs have a finite number of write cycles, usually measured in Terabytes Written (TBW). For average consumers, this limit takes many years to reach.
The QNAP QM2 M.2 SATA SSD PCIe Expansion Card is available at bhphoto, cdw, starting at $89.
Solid State Drives (SSDs) have no ongoing costs and consume minimal power. Their cost of ownership is entirely the upfront price per gigabyte.
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