Qnap TS-855eU-RP-8G  2U short-depth rackmount NAS with 8-core computing power for optimized virtualization Designed for flexible IT deployment and comprehensive virtualization applications, the short-depth TS-855eU-RP 2.5GbE NAS can easily fit in a compact rack in offices or audiovisual rooms. Powered by an Intel® 8-core processor, the TS-855eU-RP packs excellent performance and computing benefits to empower fast data access, backup/restoration, file server, and virtualization applications, while including redundant power supplies to ensure maximum system uptime. Running the QTS operating system as standard, the TS-855eU-RP can be switched to use the ZFS-based QuTS hero operating system based on your requirements. The TS-855eU-RP will be available and supported by QNAP for an extended period (up to 2030) , ideal for businesses requiring matching NAS models deployed for long-term projects.  2U short-depth design for up to 38% reduction in sizeThe rackmount TS-855eU-RP has a short depth design of only 11.7 inches (297.4 mm), making it an excellent choice for smaller racks, wall-mount AV rack cabinets, and network rack cabinets. The space saved by the short depth design can be reserved for cabling or ventilation. The TS-855eU-RP is space-saving for flexible deployment and is especially suitable for compact offices, audiovisual rooms, and security surveillance recording.  M. 2 PCIe slots for SSD caching and accelerated AI-powered image recognitionThe TS-855eU-RP comes with two M. 2 PCIe Gen 3 slots that allow for installing M. 2 2280 NVMe SSDs or Edge TPU (sold separately) to boost NAS performance.   Reliable, high-performance storage for virtualizationThe TS-855eU-RP supports block-based iSCSI LUN as a reliable, high-performance, and affordable storage solution for mainstream virtualization environments. It supports VMware® VAAI and Microsoft® ODX to increase performance by offloading server loading for ESXi server and Hyper-V respectively.   TS-855eU-RP-8G < /p> CPU Intel ® Atom® C5125 8-core processor, 2.8GHzCPU Architecture 64-bit x86Floating Point Unit  Encryption Engine (AES-NI)System Memory 8 GB non-ECC SODIMM DDR4Maximum Memory 64 GB ( 2 x 32 GB)Memory Slot 2 x SODIMM DDR4
Support ECC memoryFor dual-DIMM configuration, you must use a pair of identical DDR4 modules. Flash Memory 5GB (Dual boot OS protection)Drive Bay 8 x 3.5-inch SATA 6Gb/s, 3Gb/sThe system is shipped without HDD. Drive Compatibility 3.5-inch SATA hard disk drives
2.5-inch SATA hard disk drives
2.5-inch SATA solid state drivesHot-swappable (Not supported M. 2 SSD)M. 2 Slot 2 x M. 2 2280 (PCIe Gen 3 x 4)Compatible with NVMe SSD PCIe Gen 3 and above.  SSD Cache Acceleration Support  SR-IOV  2.5 Gigabit Ethernet Port (2.5G/1G/100M) 2 (2.5G/1G/100M/10M)5 Gigabit Ethernet Port (5G/2.5G/1G/100M) Optional via a network adapter10 Gigabit Ethernet Port Optional via a network adapter25 Gigabit Ethernet Port Optional via a network adapterWake on LAN (WOL) Only the 2.5GbE portJumbo Frame  PCIe Slot 2 x PCIe Gen3 (x4) 
Slot 1: PCIe Gen 3 (x4)
Slot 2: PCIe Gen 3 (x4)Card dimensions for PCIe slot 1：97 x 68.9x 18.76 mm / 3.82 x 2.71 x 0.74 inches.
Card dimensions for PCIe slot 2：210 x 68.9 x 18.76 mm / 8.27 x 2.71 x 0.74 inches. USB 3.2 Gen 1 port 4HDMI Output Optional via a PCIe graphics cardForm Factor 2U Short Depth RackmountLED Indicators HDD 1-8, Status, LAN, USB, PowerButtons Power, ResetDimensions (HxWxD) 88.6 × 432 × 297.4 mmWeight (Net) 9.47 kgWeight (Gross) 10.94 kgOperating Temperature 0 - 40 °C (32°F - 104°F)Storage Temperature -20 - 70°C (-4°F - 158°F)Relative Humidity3 5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F)Power Supply Unit Minimum 300W (x2) PSU, 100-240VACPower Consumption: Disk Standby Mode 54.331 WPower Consumption: Operating Mode, Typical 78.73 WTested fully populated with WD10EFRX hard drives. Fan 3 x 60mm, 12VDCSystem Warning Buzzer

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