| Characteristic |
Description |
 |  |
| Purpose | Universal Enterprise-class storage system, Dual Controller Type: NAS, SAN, DAS |
| Form factor | 2U, 19" rack mountable |
| CPU | Intel Xeon D-2142IT, 1.9/3.0 GHz, 8 Cores/16 Threads, 11MB Cache, DDR4-2133 ECC, PCIe 3.0 x32, 65W in each controller |
| Controller(s) | Dual controllers, Active-Active mode, redundant and hot swappable |
| Ports | Installed network ports (in each controller): - 2 x 1GbE RJ-45 ports for connecting to hosts - 1 x 1GbE RJ-45 port for remote management (Management port) - 4 x 10GbE SFP+ ports for connecting to hosts - 2 x USB 3.2 Gen 1 Type-A (5 Gbit/s) ports for diagnostics, cannot be used for expansion devices |
| Expansion slots | Two slots for installing low-profile expansion cards (in each controller): Slot 1 - PCIe 3.0 x8/x8 (connection to CPU) Slot 2 - PCIe 3.0 x8/x8 (connection to CPU) |
| RAM | Installed memory (in each controller): - 48GB (4 x (8GB+4GB)) DDR4-2666 288-Pin 1.2V ECC Registered DIMM (operating frequency 2133 MT/s Total 8 memory slots per controller, maximum capacity 512GB (8x64GB) per controller Parity check memory (ECC Memory) |
| Cache protection | M.2 SSD 64GB Flash Drive with Battery Backup Unit (BBU) |
| Non-volatile memory | 4GB Flash Memory (Dual Boot) |
| Storage interface | 24 x 2.5" hot-swappable drive bays with SAS3 12Gb/s or SATA 6Gb/s interface An additional adapter is required when installing SATA drives |
| Supported Storage Types | For drives with hot-swappable primary cage: - 2.5" SAS HDD - 2.5" SAS SSD - 2.5" SATA HDD - 2.5" SATA SSD When installing SATA drives, an additional adapter is required |
| Maximum number of drives | Per system: 24 hot-swappable With expansion shelves: up to 136 |
| Storage Management | Supported RAID levels: JBOD, RAID 0, 1, 5, 6, 10, 50, 60, Triple Parity, Triple Mirror Three levels of caching: - RAM as L1 cache for read operations - SSD cache as L2 cache for read operations - 8GB of RAM used as write cache with power loss protection (Cache Backup Module - CBM) Ability to connect expansion shelves Full management software specification |
| Control panel | Power, Reset Buttons HDD 1-24, System Status, Power Status |
| Power and cooling | Two 700W hot-swappable and redundant power supplies Three 60mm redundant and hot-swappable cooling fans in each controller |
| Dimensions and weight | Height 88.3 mm, width 446.2 mm, depth 504.1 mm Weight 23.4 kg without storage devices |
| Rack mount installation | Slide-out rails for rack mounting included |
| Power supply parameters | 100-240 AC Power consumption: 580W |
| Operating conditions | Operating temperature from +0°C to +40°C Storage temperature from -20°C to +70°C Relative humidity operating and during storage from 5% to 95% without condensation |
| Warranty | QNAP 5-year standard warranty, service center coverage |