4-Bay Ryzen Embedded Tower NAS
QNAP TS-473A-8G Expandable NAS
A four-bay tower NAS with an AMD Ryzen Embedded V1500B four-core processor, 8 GB DDR4 memory, dual 2.5GbE, two M.2 NVMe slots and two PCIe Gen 3 slots.
Compact Ryzen storage with extensive expansion options
The QNAP TS-473A-8G combines a four-bay desktop design with an AMD Ryzen Embedded V1500B processor, dual 2.5GbE, two M.2 NVMe slots and two PCIe Gen 3 expansion slots. It supports virtual machines, containers, SSD caching, Qtier and QTS or QuTS hero, giving small teams a compact platform that can grow through compatible cards and memory.
Key features and benefits
Four-core, eight-thread processor
The AMD Ryzen Embedded V1500B supports business storage, multitasking and virtualisation workloads.
Two M.2 NVMe slots
Compatible M.2 SSDs can be used for Qtier and SSD caching.
Two PCIe Gen 3 slots
Add compatible network, storage, USB, wireless, Fibre Channel or graphics cards.
Dual 2.5GbE ports
Two multi-gigabit RJ45 ports support faster access and port trunking.
QTS or QuTS hero
The platform supports QTS and switching to the ZFS-based QuTS hero operating system.
GPU pass-through option
Compatible entry-level NVIDIA graphics cards are supported for video processing or VM pass-through.
Who is this model best for?
A strong choice for
- Compact four-bay business storage
- Virtual machines and containers
- SSD caching and Qtier
- Teams planning network or graphics expansion
- Users choosing between QTS and QuTS hero
Consider another model if you need
- You require more than four internal drive bays
- You need built-in 10GbE
- You require integrated graphics or HDMI without an adapter
Key specifications
- Processor
- AMD Ryzen Embedded V1500B, 4-core/8-thread 2.2 GHz
- System memory
- 8 GB SODIMM DDR4 (1 × 8 GB)
- Maximum memory
- 64 GB (2 × 32 GB)
- Drive bays
- 4 × 3.5-inch SATA 6Gb/s, 3Gb/s
- Drive compatibility
- 3.5-inch SATA HDD; 2.5-inch SATA SSD
- M.2 slots
- 2 × M.2 2280 PCIe Gen 3 x1
- Networking
- 2 × 2.5GbE RJ45
- Expansion
- 2 × PCIe Gen 3 x4 slots
- Dimensions
- 180.2 × 199.3 × 279.6 mm
- Power supply
- 250W, 100–240V AC
Full technical specifications
Processor, memory and storage
| CPU | AMD Ryzen™ Embedded V1500B 4-core/8-thread 2.2 GHz processor |
|---|---|
| CPU Architecture | 64-bit x86 |
| Graphic Processors | Optional via a PCIe adapter |
| Floating Point Unit | Supported |
| Encryption Engine | Supported (AES-NI) |
| Hardware-accelerated Transcoding | Optional via a PCIe adapter |
| System Memory | 8 GB SODIMM DDR4 (1 x 8 GB) |
| Maximum Memory | 64 GB (2 x 32 GB) |
| Memory Slot | 2 x SODIMM DDR4 Support ECC memory For dual-DIMM configurations, you must use a pair of identical DDR4 modules. |
| Flash Memory | 5GB (Dual boot OS protection) |
| Drive Bay | 4 x 3.5-inch SATA 6Gb/s, 3Gb/s |
| Drive Compatibility | 3.5-inch SATA hard disk drives 2.5-inch SATA solid state drives |
| Hot-swappable | Supported The following are not hot-swappable: M.2 SSDs, SSD cache drives, SSDs using PCIe expansion slots. |
| M.2 Slot | 2 x M.2 2280 PCIe Gen3 x1 slots The M.2 SSD is not included as standard. M.2 SSD operations can easily generate excessive heat. It is recommended to install a heatsink on the M.2 SSD. |
| SSD Cache Acceleration Support | Supported |
| GPU pass-through | Supported |
| Max. Number of Concurrent Connections (CIFS) - with Max. Memory | 2000 |
Network, ports and expansion
| 2.5 Gigabit Ethernet Port (2.5G/1G/100M) | 2(2.5G/1G/100M) |
|---|---|
| 5 Gigabit Ethernet Port (5G/2.5G/1G/100M) | Optional via a PCIe adapter |
| 10 Gigabit Ethernet Port | Optional via a PCIe adapter |
| Wake on LAN (WOL) | Supported |
| Jumbo Frame | Supported |
| PCIe Slot | 2 Slot 1: PCIe Gen 3 x4 Slot 2: PCIe Gen 3 x4 Card dimensions for PCIe slot 1~Slot 2:200 x 68.9 x 18.76 mm / 7.87 x 2.71 x 0.74 inches. Wider cards can be installed if the next PCIe slot will not be used. |
| USB 3.2 Gen 2 (10Gbps) Port | 3 x Type-A USB 3.2 Gen 2 5V/1A 10Gbps 1 x Type-C USB 3.2 Gen 1 5V/1A 5Gbps |
| HDMI™ Output | Optional via a PCIe adapter |
Physical, environmental and power
| Form Factor | Tower |
|---|---|
| LED Indicators | Status/Power, USB, LAN, Drive 1-4, M.2 SSD 1-2 |
| Buttons | Power, Reset, USB Auto Copy |
| Dimensions (HxWxD) | 180.2 × 199.3 × 279.6 mm Dimensions do not include foot pad (foot pad may be up to 30mm / 1.18 inches high depending on model) |
| Weight (Net) | 5.54 kg |
| Weight (Gross) | 6.15 kg |
| Operating Temperature | 0 - 40 °C (32°F - 104°F) |
| Storage Temperature | -20 - 70°C (-4°F - 158°F) |
| Relative Humidity | 5-95% RH non-condensing, wet bulb: 27°C (80.6°F) |
| Power Supply Unit | 250W, 100-240V AC, 50-60Hz, 3.5A |
| Power Consumption: HDD Sleep Mode | 19.576 W |
| Power Consumption: Operating Mode, Typical | 29.792 W Tested with drives fully populated. |
| Fan | System fan: 1 x 120mm CPU fan: 1 x 60mm |
| System Warning | Buzzer |
Frequently asked questions about the TS-473A-8G
What is the QNAP TS-473A-8G?
It is a four-bay tower NAS with an AMD Ryzen Embedded processor, dual 2.5GbE, two M.2 NVMe slots and two PCIe slots.
Which processor does the TS-473A-8G use?
The TS-473A-8G uses an AMD Ryzen Embedded V1500B four-core, eight-thread 2.2 GHz processor.
How much memory is included with the TS-473A-8G?
The TS-473A-8G includes 8 GB SODIMM DDR4 memory and supports a stated maximum of 64 GB.
How many drive bays does the TS-473A-8G have?
It has four 3.5-inch SATA 6Gb/s, 3Gb/s drive bays.
Which drive types are supported by the TS-473A-8G?
It supports 3.5-inch SATA HDDs and 2.5-inch SATA SSDs.
Which network ports are built into the TS-473A-8G?
It includes two 2.5GbE RJ45 ports; 5GbE and 10GbE can be added through a compatible PCIe adapter.
What expansion options does the TS-473A-8G provide?
It provides two M.2 2280 PCIe Gen 3 x1 slots and two PCIe Gen 3 x4 expansion slots.
What form factor is the TS-473A-8G?
It is a desktop tower NAS.
What are the dimensions of the TS-473A-8G?
Its stated dimensions are 180.2 × 199.3 × 279.6 mm, excluding the foot pads.
Does the TS-473A-8G support GPU pass-through?
Yes. GPU pass-through is listed, with compatible graphics hardware required.
Important information
M.2 SSDs are not included; a heatsink is recommended for M.2 operation.
M.2 SSDs, cache drives and SSDs installed through PCIe are not hot-swappable.
The stated 29.792 W operating figure was tested with drives fully populated.