Specifications
- Mfr Part Number: TS-853BU-4G-US
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Hardware:
- CPU: Intel Apollo Lake J3455 Processor (1.5GHz, Quad Core)
- Memory: 4GB DDR3L (2x 2GB)
- Ram slot: 2x SODIMM slots (MAX. 8GB)
- Flash Memory: 4GB eMMC
- PCIe Slot: 1x PCI-Express 2.0 x2 Slot
- HDD Tray: 8x SATA 6Gb/s, 3Gb/s HDD or SSD; Hot-swappable
- USB: 4x USB 3.0 Ports (rear)
- LAN Port: 4x GbE Ports
- HDMI Output: 1x HDMI
- LED Indicators: System Status, HDD,USB, LAN
- Buttons: Power, Reset
- System Warning: Buzzer
- Sound Level: Operating low speed - 28.2 dB(A)
- Operating System: QTS 4.3 (embedded Linux)
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Networking:
- TCP/IP (IPv4 & IPv6: Dual Stack)1
- Jumbo frame (failover, multi-IP settings, port trunking/NIC teaming)
- DHCP client, DHCP server
- USB Wi-Fi Adapter Support
- Virtual Switch
- Supports editing the Virtual Switches in Virtualization station
- Supports combining virtual machines and containers to the same Virtual Switch
- Supports NAT (Network Address Translation)
- Supports STP (Spanning Tree Protocol).
- Supports editing the Virtual Switches in Virtualization station
- USB QuickAccess
- WirelessAP Station
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Security:
- Network access protection with auto-blocking: SSH, Telnet, HTTP(S), FTP, CIFS/SMB, AFP
- CIFS host access control for shared folders
- FIPS 140-2 validated AES 256-bit volume-based and shared folder data encryption
- AES 256-bit external drive encryption
- Importable SSL certificates. Supports certificates from Let's Encrypt.
- Instant alerts via email, SMS, beep, push service, and OLED panel
- 2-step verification
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Storage Management:
- Storage Space Utilization monitoring
- QNAP flexible Volume/LUN with thin provisioning and space reclaim
- Disk volume types: RAID 0,1, 5, 6, 10, + hot spare, JBOD, single
- Supports storage pools
- Supports Qtier auto-tiering technology
- Supports snapshots
- Supports Volume/LUN snapshot
- Snapshot manager
- Snapshot clone
- Snapshot vault
- Snapshot replica
- Snapshot agent for Microsoft Windows and VMware vSphere
- Online volume expansion
- Online storage pool expansion
- Online RAID capacity expansion and online RAID level migration
- SMART data migration
- Storage expansion via QNAP UX-500P/UX-800P expansion units
- JBOD enclosure roaming
- SSD read-only/read-write cache
- Bad block scan and hard drive S.M.A.R.T.
- Bad block recovery & RAID recovery
- Bitmap support
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File System:
- Internal HDD: EXT4
- External HDD: EXT3, EXT4, NTFS, FAT32, HFS+, exFAT (exFAT is optionally purchased by App Center)
- Form Factor: 2U Rackmount
- Fan: 2x 70mm Fan (12V DC)
- Power Supply: ATX 250W
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Power Consumption:
- HDD sleep: 30.9W
- Typical Operation: 52.1W
- Dimensions: 3.50 x 18.98 x 21.02 inch / 89.0 x 482.0 x 534.0 mm
- Weight: 24.29 lbs / 11.02 kg