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| CPU | Intel® Celeron® J4125 quad-core 2.0 GHz processor (burst up to 2.7 GHz) |
| CPU Architecture | 64-bit x86 |
| Graphic Processors | Intel® HD Graphics 600 |
| Floating Point Unit |
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| Encryption Engine | (AES-NI) |
| Hardware-accelerated Transcoding |
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| System Memory | 4 GB SO-DIMM DDR4 (1 x 4 GB) |
| Maximum Memory | 8 GB (2 x 4 GB) |
| Memory Slot | 2 x SO-DIMM DDR4 |
| For dual-DIMM configuration, you must use a pair of identical DDR4 modules. |
| Flash Memory | 4GB (Dual boot OS protection) |
| Drive Bay | 4 x 3.5-inch SATA 6Gb/s, 3Gb/s |
| The system is shipped without HDD. |
| For the HDD compatibility list, please visit https://www.qnap.com/compatibility/ |
| Drive Compatibility | 3.5-inch SATA hard disk drives |
| 2.5-inch SATA hard disk drives |
| 2.5-inch SATA solid state drives |
| Hot-swappable |
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| M.2 SSD Slot | Optional via a PCIe adapter |
| SSD Cache Acceleration Support |
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| 2.5 Gigabit Ethernet Port (2.5G/1G/100M) | 2 |
| 5 Gigabit Ethernet Port (5G/2.5G/1G/100M) | Optional via PCIe expansion card |
| 10 Gigabit Ethernet Port | Optional via PCIe expansion card |
| Optional via PCIe expansion card |
| Jumbo Frame |
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| PCIe Slot | 1 |
| Slot 1: PCIe Gen 2 x2 |
| PCIe bandwidth limitations will restrict the NAS 10GbE performance. |
| USB 2.0 port | 3 |
| USB 3.2 Gen 1 port | 2 |
| USB 3.2 Gen 2 (10Gbps) Port | Optional via a PCIe adapter |
| IR Sensor | (RM-IR004) |
| HDMI Output | 1, HDMI 2.0 (up to 4096 x 2160 @ 60Hz) |
| Form Factor | Tower |
| LED Indicators | Power/Status, LAN, USB, HDD1-4 |
| Buttons | Power, USB copy, Reset |
| Dimensions (HxWxD) | 168 × 170 × 226 mm |
| Weight (Net) | 2.37 kg |
| Weight (Gross) | 3.6 kg |
| Operating temperature | 0 - 40 °C (32°F - 104°F) |
| Relative Humidity | 5-95% RH non-condensing, wet bulb: 27ËšC (80.6ËšF) |
| Power Supply Unit | 90W adapter, 100-240V |
| Power Consumption: HDD Sleep Mode | 11.3 W |
| Power Consumption: Operating Mode, Typical | 25.98 W |
| Tested with drives fully populated. |
| Fan | 1 x 120mm, 12VDC |
| Sound Level | 21.1 db(A) |
| System Warning | Buzzer |
| Kensington Security Slot |
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| Max. Number of Concurrent Connections (CIFS) | 800 |
