Qnap M.2 PCIe NVMe SSD to 2.5-inch U.2 SSD Adapter for NAS

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Qnap M.2 PCIe NVMe SSD to 2.5-inch U.2 SSD Adapter for NAS - QDA-UMP4A

The QDA‑UMP4A is a compact, tool-free adapter that converts a U.2 (SFF-8639) PCIe 4.0 x4 NVMe slot into an M.2 PCIe NVMe SSD bay. Designed for use in QNAP NAS systems and compatible PCs, it enables installing M.2 SSDs (2230/2242/2260/2280) into U.2 drive bays for flexible storage upgrades.

Key Benefits

Budget-Friendly & Flexible: Enables use of more affordable M.2 NVMe SSDs in U.2 slots, offering greater capacity and performance options.
Plug-and-Play: No drivers required—works across Windows, Linux, and QNAP platforms.
Thermal Reliability: Built-in heatsink and pad ensure sustained performance.
High Performance: Takes advantage of PCIe Gen 4 speeds (and Gen 3 SSDs too).
Hot-Swappable: Facilitates easy maintenance in supported NAS environments.

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MPN QDA-UMP4A

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Host Interface U.2 (SFF-8639), PCIe 4.0 x4

Supported SSDs M.2 NVMe 2230/2242/2260/2280

Performance Up to ~5.38 GB/s read, ~2.42 GB/s write with PCIe 4.0 SSD

Hot-Swap Support In supported QNAP NAS models (e.g., TS‑h987XU)

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Qnap M.2 PCIe NVMe SSD to 2.5-inch U.2 SSD Adapter for NAS - QDA-UMP4A