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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)
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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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-RP-8G/HR TS-855eU-RP-8G/HR
Supplier code: TS-855eU-RP-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

Introducing our powerful 8-bay short depth rackmount NAS, featuring the Intel Atom C5125 8-core processor with a clock speed of 2.8GHz. Equipped with 8GB of RAM, this NAS offers efficient multitasking and enhanced performance for data storage solutions. The dual 2.5GbE ports ensure high-speed connectivity, while two M.2 2280 slots provide flexibility for SSD caching or fast storage options. Expand your network with two PCIe Gen3 x4 slots, perfect for additional network cards or performance upgrades. With four USB 3.2 Gen1 ports delivering 5Gbps speeds, connecting external drives and peripherals is seamless. Ideal for small to medium-sized businesses, this NAS offers an optimal combination of performance, scalability, and reliability, ensuring your data is both safe and easily accessible.

Experience unparalleled data management with our 8-bay short depth rackmount NAS, meticulously engineered to meet the dynamic requirements of modern businesses. At its core, the Intel Atom C5125 processor delivers efficient performance with its 8-core architecture running at 2.8GHz, enabling robust multitasking capabilities. With 8GB of RAM, data processing is smooth, whether you're managing backups or streaming media. Dual 2.5GbE ports ensure swift data transfer rates, significantly boosting network efficiency. The versatile M.2 2280 slots support both NVMe and SATA SSDs, offering enhanced speed and storage flexibility. Expandability is at your fingertips with two PCIe Gen3 x4 slots, allowing for performance enhancements via additional NICs or other PCIe devices. Connecting accessories is a breeze thanks to four USB 3.2 Gen1 ports, supporting fast data transfer of up to 5Gbps. This NAS is designed for small and medium enterprises demanding reliable, scalable, and high-performance storage solutions, ensuring data integrity and effortless access.

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 Minimum 300W (x2) PSU, 100-240VAC
Operating system QuTS hero h5.2.3
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
Supported Client Operating Systems Apple Mac OS 10.10 or later; Ubuntu 14.04, CentOS 7, RHEL 6.6, SUSE 12 or later Linux; IBM AIX 7, Solaris 10 or later UNIX; Microsoft Windows 7, 8, 10, and 11; Microsoft Windows Server 2008 R2, 2012, 2012 R2, 2016, 2019, and 2022;
Supported Browsers Apple Safari (latest version); Google Chrome (latest version); Microsoft Edge (latest version); Mozilla Firefox (latest version)
Supported Languages Chinese (Traditional & Simplified), Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese (Brazil), Romanian, Russian, Spanish, Swedish, Thai, and Turkish
Storage Pool Yes
SED Storage Pool Yes
Maximum Pool size 5 PB
Maximum number of storage pool 128
RAID Type 8-bay (and more): Single, RAID 0 (Stripe), 1, 5, 6, 10, 50, 60, Triple Mirror, Triple Parity; 6-bay: Single, RAID 0 (Stripe), 1, 5, 6, 10, 50, Triple Mirror, Triple Parity; 4-bay: Single, RAID 0 (Stripe), 1, 5, 6, 10, Triple Mirror, Triple Parity; 3-bay: Single, RAID 0 (Stripe), 1, 5, Triple Mirror, Triple Parity; 2-bay: Single, RAID 0 (Stripe), 1
RAID Group Yes

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 6 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

PCIe Slot

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

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
Jumbo Frame Yes
25 Gigabit Ethernet Port Optional via a network adapter

Ports

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

Power Consumption

HDD Sleep Mode 54.331 W
Operating Mode, Typical 78.73 W

Package Contents

Ethernet Cable 1 pc
Power Cord 2 pcs
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 9.47 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 210.0 mm
Depth 591.0 mm
Weight 12.0 kg