CPU

Processor: AMD R-Series RX-421ND quad-core 2.1 GHz processor, Turbo Core up to 3.4 GHz

Architecture: 64-bit

Encryption Engine: AES-NI

System Memory

8 GB DDR4 (2 x 4 GB)

Maximum Memory

64 GB (4 x 16 GB)

Memory Slot

4 x SODIMM DDR4

(For dual- or quad-DIMM configurations, you must use a pair of identical DDR4 modules.)

Flash Memory

512MB DOM

Drive Bay

8 x SATA 6 Gbps

Drive Compatibility

• 3.5-inch SATA hard disk drives

• 2.5-inch SATA hard disk drives

• 2.5-inch SATA solid state drives

M.2 SSD Slot

2 x M.2 2260/2280 SATA 6Gb/s SSDs (Sold separately)

Note:

1. The M.2 SSD is not included as standard.

2. 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

• Drive bays 1 to 8

• M.2 slots 1 to 2

• Optional: M.2 SSD using QNAP QM2 PCIe expansion card

Hot-swappable

The following are not hot-swappable: M.2 SSDs, SSD cache drives, SSDs using PCIe expansion slots.

Gigabit Ethernet Port

4 x RJ45

PCIe Slot

2 x PCIe 3.0 x4

Note: Support full-height 10GbE LAN card, USB 3.1 Gen2 (10Gb/s) expansion card, QM2 card,

PCIe wireless network card or a bus-powered graphics card.

USB Port

4 x USB 3.0 (Front: 1; Back: 3)

Audio

• 2 x 3.5 mm dynamic microphone jacks

• 1 x 3.5 mm line-out jack

• 1 x speakers

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

Dimensions (H x W x D)

188.2 x 329.3 x 279.6 mm

Power Consumption (W)

HDD standby: 36.43 W

In operation: 70.26 W

(with 8 x 2TB HDDs installed)

Sound Level

Sound pressure (LpAm): 23.4 dB(A)

Net Weight

6.56 kg (14.46 lbs)

Power Supply Unit

250W, 100-240V AC, 50/60Hz

Fan

System: 2 x 120 mm

CPU: 1 x 60 mm

Operating Temperature & Relative Humidity

0 ~ 40˚C ( 32˚F ~ 104˚F ), 5 ~ 95% RH non-condensing, wet bulb: 27˚C (80.6˚F)

Security Slot

Kensington security slot

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