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The PCIe port supports installing a 10GbE network card, a QM2 dual-port M.2 SSD/10GbE card, a USB 3.1 Gen 2 (10Gbps) card, or a wireless network card.
4K media playback and online transcoding; cross-device multimedia viewing via HDMI output or streaming applications.

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Dual 2.5GbE ports accelerates file sharing across teams and devices or gaming storage applications
PCIe expansion allows for a Multi-Gig 10GbE or 5GbE network card, or a QM2 card to add M.2 NVMe or SATA SSDs for caching

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Powerful 4-bay NAS for offices and home users
Sequential throughput performance at over 226 MB/s reading and 170 MB/s writing

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High-performance 1-bay NAS for small offices and home users
Sequential throughput at over 113 MB/s reading and 112 MB/s writing

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A versatile and easy-to-use 1-bay NAS for personal cloud storage
Sequential throughput at over 112 MB/s reading and 108 MB/s writing

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An easy-to-use 1-bay personal cloud storage for NAS starters
Sequential throughput at over 112 MB/s reading and 106 MB/s writing

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Scalable quad-core 8-bay storage solution with upgradable memory of up to 8GB
Outstanding throughput at over 1,577 MB/s reading and 739 MB/s writing

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Connectivity technology: USB
Hard disk size: 0.0

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Versatile 2-bay NAS for small offices and home users
64-bit quad-core processor delivering sequential throughput at over 112 MB/s reading and 112 MB/s writing

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A versatile entry-level 2-bay NAS for home and personal cloud storage
Over 113 MB/s reading, 112 MB/s writing

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2-bay NAS with optimal multimedia solution for home users
4K video transcoding on the fly with 10 bit H.265 codec support

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2-core 2.0 GHz Processor, burst up to 2.9 GHz and boosts photo indexing, database response times, and web PHP response efficiency – average 15% boost to computing-intensive applications
Access multimedia content anytime, anywhere through an intuitive web-based interface