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M.2 M-Key NVMe to Mini SAS SFF-8643 Adapter Card, PCIe 3.0/4.0 x4 NGFF Converter for U.2 NVMe SSD Storage Expansion, Fit Desktop, Laptop & Server Motherboard
- M-Key Exclusive NVMe Design: Only compatible with M.2 M-Key PCIe NVMe SSDs, not support B/B+M key SATA M.2 drives; bridges M.2 slot to Mini SAS SFF-8643 port
- Dual PCIe Generation Support: Native PCIe 4.0 x4 up to 64Gbps bandwidth, backward compatible with PCIe 3.0 x4 (32Gbps), zero speed loss for enterprise U.2 SSD
- Adjustable M.2 Length Mount: Cuttable PCB board supports 2260/2280 size NVMe solid-state drives, flexible installation for different chassis spaces
- Passive Direct Signal Transmission: Chip-free straight-through lane design, ultra-low latency, supports NVMe UEFI boot without extra control chips
- Wide System & Hardware Compatibility: Plug-and-play on Windows, Linux, Windows Server, NAS; works for gaming PC, workstation, rack server and mining rig
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This M.2 M-Key to SFF-8643 Mini SAS conversion adapter solves cross-interface storage expansion demands, converting motherboard internal M.2 NVMe slot to external Mini SAS HD SFF-8643 port to connect 2.5-inch U.2 SFF-8639 NVMe enterprise SSD via SFF-8643 to U.2 breakout cable.
It adopts pure PCIe lane direct transmission architecture without signal conversion chips, fully retaining complete x4 bandwidth of NVMe SSD to release maximum read/write performance for database storage, 4K video rendering, virtualization and Chia plotting mining workloads. The PCB features pre-scored cut line, users can trim the board to fit 2260 or 2280 M.2 installation space freely.
Built with multi-layer anti-interference circuit and gold-plated contact pins, it effectively suppress electromagnetic crosstalk and signal attenuation, stable for 24/7 non-stop heavy-load operation without intermittent drive dropout or unrecognition failure. The SFF-8643 female port with lock buckle firmly locks SAS cable to avoid loose connection caused by equipment vibration.
No complicated driver installation required, the adapter supports native NVMe boot via motherboard UEFI. It is an economical expansion accessory for motherboards lacking native U.2 ports, enabling users to deploy high-speed U.2 NVMe SSD arrays without replacing the whole mainboard.
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- Return for refund within: 30 days
- Return for replacement within: non-replaceable
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