Qnap TS-855X 8-Bay NAS Enclosure - TS-855X-8G
6 x 3.5"/2.5" SATA III Drive Bays
2 x 2.5" SATA III Drive Bays
2 x M.2 2280 PCIe 3.0 x4 Slots
2.8 GHz Intel Atom C5125 8-Core
8GB DDR4 RAM | 5GB Flash Memory
1 x 10GbE | 2 x 2.5GbE
3 x USB-A 3.2 Gen 1 | 1 x USB-A 2.0
2 x PCIe 3.0 x4 Slots
RAID 0, 1, 5, 6, 10, 50, 60, and JBOD
QTS or QuTS hero Operating System
| NAS Specifications – Intel® Atom® C5125, 6+2-Bay | |
|---|---|
| Form Factor | Tower |
| Operating Temperature | 0 - 40°C (32°F - 104°F) |
| Storage Temperature | -20 - 70°C (-4°F - 158°F) |
| Relative Humidity | 5-95% RH non-condensing |
| Standard Warranty | 3 years |
| CPU & Memory | |
| CPU Model | Intel® Atom® C5125, 8-core, 2.8 GHz |
| CPU Architecture | 64-bit x86 |
| Encryption Engine | AES-NI |
| System Memory (RAM) | 8 GB DDR4 non-ECC UDIMM (1 x 8 GB) |
| Maximum Memory | 128 GB (4 x 32 GB, ECC supported) |
| Memory Slots | 4 x U-DIMM DDR4 |
| Flash Memory (System Disk) | 5 GB (Dual boot OS protection) |
| Storage | |
| Drive Bays | 6 x 3.5-inch + 2 x 2.5-inch SATA 6Gb/s, 3Gb/s |
| Drive Compatibility |
3.5-inch bays: 3.5-inch SATA HDD, 2.5-inch SATA SSD 2.5-inch bays: 2.5-inch SATA SSD |
| Hot-Swap Support | No (M.2 SSDs, PCIe SSDs not hot-swappable) |
| M.2 Slots | 2 x M.2 2280 PCIe Gen 3 x4 (heatsink recommended) |
| SSD Cache Acceleration Support | Yes |
| SR-IOV Support | Yes |
| Networking | |
| 2.5 Gigabit Ethernet Ports | 2 (2.5G/1G/100M/10M) |
| 10 Gigabit Ethernet Port | 1 x 10GBASE-T (10G/5G/2.5G/1G/100M) |
| 25 Gigabit Ethernet | Optional via PCIe expansion card |
| Wake on LAN (WOL) | Only via 2.5GbE port |
| Jumbo Frame | Yes |
| PCIe & USB | |
| PCIe Slots | 2 (Slot1: Gen3 x4, Slot2: Gen3 x4) |
| USB Ports | 1 x USB 2.0, 3 x USB 3.2 Gen 1 |
| Physical & Power | |
| Dimensions (HxWxD) | 225 × 292.9 × 319.8 mm |
| Net Weight | 10.04 kg |
| Power Supply | 250W, 100~240V |
| Power Consumption (Operating) | 86.96 W |
| Fans | System: 2 x 80mm, CPU: 1 x 90mm |
| Other Features | |
| LED Indicators | Power/Status, LAN, USB, HDD1-6, SSD1-2, M.2 SSD1-2 |
| Buttons | Power, Reset, USB Auto Copy |
| System Warning | Buzzer |
| Kensington Security Slot | Yes |
| Max Concurrent Connections (CIFS) | 2500 (with max memory) |
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