CPU | 2.1 GHz AMD R-Series RX-421ND Quad-Core (64-bit, up to 3.4 GHz) |
Encryption Engine | AES-NI |
System Memory | 4 GB of DDR4 RAM (2 x 2 GB) |
Maximum Memory | 64 GB (4 x 16 GB) |
Memory Slots | 4 x SO-DIMM DDR4 Note: For dual-or quad-DIMM configurations, you must use a pair of identical DDR4 modules |
Flash Memory | 512 MB DOM |
Drive Bays | 8 x SATA III 6 Gb/s |
Drive Compatibility |
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M.2 SSD Slots | 2 x M.2 2260/2280 SATA III 6 Gb/s SSDs (sold separately) Note: M.2 SSD operations can easily generate excessive heat. It is recommended to install a heatsink (from QNAP or a third-party provider) on the M.2 SSD |
SSD Cache Acceleration Support |
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Hot-Swappable | Yes, except M.2 SSDs, SSD cache drives, and SSDs using PCIe expansion slots |
Gigabit Ethernet Port | 4 x RJ45 Gigabit LAN ports |
PCIe Slot | 2 x PCIe 3.0 x4 slots Note: Supports a low-profile 10GbE LAN card, 10 Gb/s USB 3.1 Gen 2 expansion card, QM2 card, PCIe wireless network card, or a bus-powered graphics card |
USB Ports | 4 x USB 3.0 Type-A ports (1 front, 3 rear) |
Audio |
Note: You cannot use the speakers and the line-out jack simultaneously |
USB One Touch Copy | Front: USB 3.0 |
IR Sensor | Optional QNAP RM-IR004 remote control (MCE compatible) |
Form Factor | Tower |
Power Consumption | HDD Standby: 36.43 W In Operation: 70.26 W |
Sound Level | Sound Pressure (LpAm): 23.4 dBA |
Power Supply Unit | 250 W, 100 to 240 VAC, 50/60 Hz |
Fan | System: 2 x 120 mm CPU: 1 x 60 mm |
Operating Temperature | 32 to 104°F / 0 to 40°C |
Relative Humidity | 5~95% RH non-condensing, wet bulb: 81°F / 27°C |
Security Slot | Kensington security slot |
Dimensions | 7.41 x 12.96 x 11.01" / 188.21 x 329.18 x 279.65 mm |
Weight | 14.46 lb / 6.56 kg |
Operating System | QTS 4.3.4 (embedded Linux) |
Client Operating Systems |
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Supported Browsers |
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Supported Languages | Chinese (traditional and simplified), Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese (Brazil), Romanian, Russian, Spanish, Swedish, Thai, and Turkish |
File System | Internal Hard Drives EXT4 External Hard Drives EXT3, EXT4, NTFS, FAT32, HFS+, and exFAT Note: To use exFAT you must purchase an exFAT driver license from License Center |
Network & Virtual Switch | - TCP/IP: Dual stack (IPv4 and IPv6) - Jumbo frame (failover, multi-IP settings, port trunking/NIC teaming) - DHCP server and client - USB Wi-Fi adapter (Note: This feature does not support ad hoc networks because of security considerations) - Virtual Switch - WirelessAP Station |
Security |
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QVPN Service | VPN Server - Secure remote access with PPTP, L2TP/IPSec, and OpenVPN VPN services - Support for a maximum of 100 clients - Support for domain users VPN Client - Support for PPTP, L2TP/IPSec, and OpenVPN VPN protocols - OVPN file importing for creation of OpenVPN connections Easy VPN Connection (Windows VPN Utility) Note: QVPN combines an integrated VPN Server, a VPN client, and L2TP/IPSec VPN services |
iSCSI (IP SAN) |
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Package Weight | 18.8 lb |
Box Dimensions (LxWxH) | 16.8 x 15.6 x 11.6" |