CPU |
AMD R-Series RX-421ND quad-core 2.1 GHz processor (Turbo Core to 3.4 GHz) |
CPU Architecture |
64-bit x86 |
Floating Point Unit |
|
Encryption Engine |
(AES-NI) |
System Memory |
64 GB UDIMM DDR4 (4 x 16 GB) |
Maximum Memory |
64 GB (4 x 16 GB) |
Memory Slot |
4 x U-DIMM DDR4 For dual- or quad-DIMM configurations, you must use a pair of identical DDR4 modules. |
Flash Memory |
512 MB (Dual boot OS protection) |
Drive Bay |
12 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 |
|
M.2 SSD Slot |
2 x M.2 2280 SATA 6Gb/s slots The M.2 SSD is not included as standard.
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 |
|
Gigabit Ethernet Port (RJ45) |
4 Expandable with an optional PCIe adapter |
10 Gigabit Ethernet Port |
2 x 10GbE SFP+ Pre-installed with a 10GbE PCIe adapter |
Jumbo Frame |
|
PCIe Slot |
1
Slot 1: PCIe Gen 3 x4 Pre-installed with a 10GbE PCIe adapter |
USB 2.0 port |
4 |
USB 3.2 Gen 1 port |
2 |
USB 3.2 Gen 2 (10Gbps) Port |
Optional via a PCIe adapter |
Form Factor |
2U Rackmount |
LED Indicators |
HDD 1-12, Status, LAN, USB, Power |
Buttons |
Power, Reset |
Dimensions (HxWxD) |
89 × 482 × 534 mm |
Weight (Net) |
11.98 kg |
Operating temperature |
0 - 40 °C (32°F - 104°F) |
Relative Humidity |
5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F) |
Power Supply Unit |
300W (x2), 100-240V AC, 50-60Hz, 5-2.5A |
Power Consumption: HDD Sleep Mode |
55.16 W |
Power Consumption: Operating Mode, Typical |
136.57 W Tested fully populated with WD10EFRX hard drives. |
Fan |
2 x 70mm, 12VDC |
Sound Level |
37.4 db(A) |
Other Interfaces |
1 x 3.5mm console port |
System Warning |
Buzzer |
Max. Number of Concurrent Connections (CIFS) |
1200 |