NAS QNAP TS-253D-4G, Without HDD.

Intel Celeron J4125 4-coreIntel HD Graphics 6004 GB SO-DIMM DDR42 Bay (No HDD)
BrandQNAP
Model
TS-253D-4G

CPU Model
Intel Celeron J4125 4-core/4-thread processor, burst up to 2.7 GHz

Operating System
QTS 5.0.0

System Memory
4GB SO-DIMM DDR4 (1 x 4 GB)
Maximum 8GB (2 x 4GB)
Memory Slot 2 x SO-DIMM DDR4

Drive Interface
3.5" SATA hard disk drives
2.5" SATA hard disk drives
2.5" SATA solid state drives

Number of Drives
2 x 3.5" SATA 6Gb/s, 3Gb/s

Display Panel
None

LED Indicators
Power/Status, LAN, USB, HDD1-2

Interface
1 x HDMI 2.0

USB Interface
3 x USB 2.0
2 x USB 3.2 Gen1

LAN Interface
2 x 2.5 Gigabit Ethernet Ports

Memory Slot
2 x SO-DIMM DDR4

Buttons
Power, USB copy, Reset

RAID
JBOD, Single, RAID 0, 1

OS Support
Windows, macOS, Ubuntu, Android, and iOS

Cooling Fans
1 x 70mm

Power Supply
100-240V

Power Consumption
Operating Mode, Typical : 12.448W
HDD Sleep Mode : 8.198 W

Environment
Operating temperature : 0 - 40°C (32°F - 104°F)
Storage Temperature : -20 - 70°C (-4°F - 158°F)

Packaging Content
TS-253D
2 x Ethernet cable
1 x Power cord
Flat head screw (for 3.5" HDD)
Flat head screw (for 2.5" HDD)
AC Adapter
Quick installation guide (QIG)