QNAP TS-251D-4G User Manual

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QNAP TS-251D-4G User Manual

Hardware Specification

TS-251D-4G

CPU

Intel® Celeron® J4005 dual-core 2.0 GHz processor (burst up to 2.7 GHz)

 

 

CPU Architecture

64-bit x86

 

 

Graphic Processors

Intel® HD Graphics 600

 

 

Floating Point Unit

Yes

 

 

Encryption Engine

Yes (AES-NI)

 

 

Hardware-accelerated

Yes

Transcoding

 

 

 

System Memory

4 GB SO-DIMM DDR4 (1 x 4 GB)

 

 

Maximum Memory

8 GB (2 x 4GB)

 

 

Memory Slot

2 x SO-DIMM DDR4

 

 

Flash Memory

4GB (Dual boot OS protection)

 

 

Drive Bay

2 x 3.5-inch SATA 6Gb/s, 3Gb/s

 

 

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

Yes

 

 

M.2 SSD Slot

Optional via a QM2 PCIe adapter

 

 

SSD Cache Acceleration

Yes

Support

 

 

 

Gigabit Ethernet Port

1

(RJ45)

 

 

 

5 Gigabit Ethernet Port

Expandable with an optional PCIe adapter

 

 

10 Gigabit Ethernet Port

Expandable with an optional PCIe adapter

 

 

Jumbo Frame

Yes

 

 

PCIe Slot

1

 

Slot 1: PCIe Gen 2 x4

 

 

USB 2.0 port

3

 

 

USB 3.0 port

2

 

 

USB 3.1 Gen 2 (10Gbps)

Optional via a PCIe expansion card

Port

 

 

 

IR Sensor

Yes (Optional QNAP RM-IR004 remote control)

 

 

HDMI Output

1, HDMI 2.0

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