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8-bay short depth rackmount NAS, Intel Atom C5125 8C 2.8GHz, 8GB RAM,2 x 2.5GbE, 2 x M.2 2280, 2 x PCIe Gen3 x4, 4 x USB 3.2 Gen1 ports (5Gbps)

Qnap TS-855eU-8G/HR TS-855eU-8G/HR
Supplier code: TS-855eU-8G
8-bay short depth rackmount NAS, Intel Atom C5125 8C 2.8GHz, 8GB RAM,2 x 2.5GbE, 2 x M.2 2280, 2 x PCIe Gen3 x4, 4 x USB 3.2 Gen1 ports (5Gbps)
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Availability: about 14 days

Designed for high-performance storage applications, our 8-bay short depth rackmount NAS features the powerful Intel Atom C5125 8-core processor clocked at 2.8GHz, combined with 8GB of RAM for smooth operation. The dual 2.5GbE ports ensure rapid networking capabilities, while two M.2 2280 slots and two PCIe Gen3 x4 slots offer ample expansion options. Benefit from enhanced connectivity with four USB 3.2 Gen1 ports, each providing up to 5Gbps transfer speeds. Ideal for businesses or tech enthusiasts seeking dependable and flexible storage solutions, this NAS guarantees superior speed and efficiency in a compact design.

Experience unparalleled storage efficiency with the 8-bay short depth rackmount NAS, specifically crafted to meet the rigorous demands of modern data storage solutions. Powered by the Intel Atom C5125 8-core processor at 2.8GHz, this NAS comes equipped with 8GB of RAM, ensuring optimal performance and multitasking capabilities. The dual 2.5GbE ports provide excellent networking speeds, making data access and transfer a breeze. Expand storage and functionality through the two available M.2 2280 slots, ideal for SSD caching, and two PCIe Gen3 x4 slots for additional flexibility. Connectivity is bolstered with four USB 3.2 Gen1 ports, supporting up to 5Gbps data transfer rates, facilitating quick file transfers and peripheral connections. Its short depth rackmount design not only saves space but also provides easy integration into existing setups, making it perfect for SMBs, creative professionals, and IT enthusiasts who require robust and scalable storage solutions. Elevate your data management strategies with a device built to deliver both reliability and performance.

Form Factor Rack
Floating Point Unit Yes
Encryption Engine (AES-NI)
Hot-swappable Yes
M.2 Slot 2 x M.2 2280 PCIe Gen 3 x4 slots
SSD Cache Acceleration Support Yes
SR-IOV Yes
Power Supply Unit 250W, 100-240V
Operating system QuTS hero h5.2.0
System Warning Buzzer
LED Indicators HDD 1-8, Status, LAN, USB, Power
Buttons Power, Reset
Max. Number of Concurrent Connections (CIFS) - with Max. Memory 2500

CPU

Processor Intel Atom C5125
CPU Architecture 64-bit x86
Qty. processor cores 8
CPU MAX SPEED 2.8 GHz

RAM

RAM type DDR4 SO-DIMM
RAM Capacity 8 GB
Quantity of RAM slots 2

Flash Memory

Flash Capacity 5 GB

Storage

Drive Bay 8 x 3.5-inch SATA 6Gb/s, 3Gb/s

Drive Compatibility

3.5-inch SATA hard disk drives Yes
2.5-inch SATA hard disk drives Yes
2.5-inch SATA solid state drives Yes

Network and Communication

Wake on LAN (WOL) Yes
2.5 Gigabit Ethernet Port 2
5 Gigabit Ethernet Port Optional via a network adapter
10 Gigabit Ethernet Port Optional via a network adapter
25 Gigabit Ethernet Port Optional via a network adapter
Jumbo Frame Yes

PCIe Slot

Slot 1: PCIe Gen 3 x4
Slot 2: PCIe Gen 3 x4
Slot 3 PCIe Gen 3 x4

Ports

USB 3.2 Gen 1 Type-A 4
HDMI Optional via a PCIe graphics card

Power Consumption

HDD Sleep Mode 49.799 W
Operating Mode, Typical 79.113 W

Package Contents

Ethernet Cable 1 pc
Power Cord 1 pc
Flat head screw (for 3.5" HDD) 32 pcs
Flat head screw (for 2.5" HDD) 24 pcs
Quick installation guide (QIG) Yes

Device Dimensions & Weights

Dimensions (HxWxD) 88.60 × 432.00 × 297.40 mm
net. Weight 8.10 kg

Environmental & Physical

Operating Temperature 0 - 40 °C (32°F - 104°F)
Storage Temperature -20 - 70°C (-4°F - 158°F)
Relative humidity 5…95 %

Fan

System fan 3 x 60mm, 12VDC

Product box dimensions

Width 530.0 mm
Height 592.0 mm
Depth 210.0 mm
Weight 13.88 kg