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Silver four-bay desktop NAS with front drive trays and status LEDs

Qnap

Qnap TS-473A-8G-US 4-Bay NAS Ryzen V1500B 8GB DDR4

SKU CH-QKX8-8FMFH MPN TS-473A-8G-US

Four-bay diskless NAS with AMD Ryzen V1500B quad-core 2.2 GHz processor, 8GB DDR4, dual 2.5 GbE ports and two M.2 PCIe slots for SSD caching

  • TypeDesktop NAS
  • Ports1 x USB 3.2 Gen 1 Type-C / 2 x 2.5GbE / 3 x USB 3.2 Gen 2
  • Port RJ-452 x 2.5 GbE
  • Port USB3 x Type-A USB 3.2 Gen 2 5V/1A 10Gbps 1 x Type-C USB 3.2 Gen
  • PCIe2 x M.2 2280 PCIe Gen3 x1 slots Slot 1: PCIe Gen 3 x4 Slot 2
  • HDD Interface4 x SATA (4 x Bay)

Form Factor 4-Bay

Struck-through versions exist but are not stocked here.

Memory Slot 2 x DDR4 SODIMM

  • 2 x DDR4 SODIMM
  • 2 x SO-DIMM

Struck-through versions exist but are not stocked here.

  • Ryzen V1500B quad-core 2.2 GHz processor powers demanding workloads
  • Dual 2.5 GbE ports enable high-speed network transfers
  • Four drive bays support up to 88TB total capacity
  • Two M.2 2280 PCIe Gen3 x4 slots add fast cache or storage
  • 8GB DDR4 installed, expandable to 64GB via two SODIMM slots

Four-bay Ryzen desktop NAS

The QNAP TS-473A-8G-US is a diskless four-bay desktop NAS built around an AMD Ryzen Embedded V1500B quad-core processor running at 2.2 GHz. It ships with 8 GB of DDR4 memory installed in two SODIMM slots and can be expanded to 64 GB. Two 2.5 GbE RJ-45 ports provide wired network connectivity.

Suits small teams needing 2.5 GbE and PCIe expansion

This unit fits small businesses or advanced home users who want dual 2.5 GbE links and two M.2 2280 PCIe Gen 3 x4 slots for cache or tiering. Buyers who need more than four drive bays or who require 10 GbE ports built in should look at other models.

88 TB raw capacity ceiling

The chassis accepts up to four 3.5-inch or 2.5-inch SATA drives, with a maximum raw capacity of 88 TB. That limit decides whether the appliance can hold your planned dataset before you add expansion units.

Highlights

  • Ryzen V1500B quad-core 2.2 GHz processor powers demanding workloads
  • Dual 2.5 GbE ports enable high-speed network transfers
  • Four drive bays support up to 88TB total capacity
  • Two M.2 2280 PCIe Gen3 x4 slots add fast cache or storage
  • 8GB DDR4 installed, expandable to 64GB via two SODIMM slots

Specifications

BrandQNAP
ModelTS-473A-8G-US
TypeDesktop NAS
Ports1 x USB 3.2 Gen 1 Type-C / 2 x 2.5GbE / 3 x USB 3.2 Gen 2
Port RJ-452 x 2.5 GbE
Port USB3 x Type-A USB 3.2 Gen 2 5V/1A 10Gbps
1 x Type-C USB 3.2 Gen 1 5V/1A 5Gbps
PCIe2 x M.2 2280 PCIe Gen3 x1 slots
Slot 1: PCIe Gen 3 x4
Slot 2: PCIe Gen 3 x4
HDD Interface4 x SATA (4 x Bay)
Form Factor4-Bay
ProcessorAMD Ryzen Embedded V1500B quad-core 2.2 GHz processor
Installed Memory8GB DDR4
Max Memory Capacity64GB
Memory Slot2 x DDR4 SODIMM
Included HDD CapacityDiskless System
Max Capacity88TB
Drive Compatibility3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD
LEDsStatus/Power, USB, LAN, Drive 1-4, M.2 SSD 1-2
Power250W, 100-240V AC, 50-60Hz, 3.5A
Power Consumption:
HDD Sleep Mode: 19.576 W
Operating Mode, Typical: 29.792 W
Power Consumption29.79 W (Access)
19.58 W (HDD Hibernation)
TemperatureOperating temperature: 0 - 40°C (32°F - 104°F)
Storage Temperature: -20 - 70°C (-4°F - 158°F)
Humidity5-95% RH non-condensing, wet bulb: 27°C (80.6°F)
Dimensions7.41" x 7.85" x 11.06"
Weight11.09 lbs.
Shipping weight6.26 kg
Package size378 × 343 × 251 mm

Other versions of this model

1 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Should I start with the 8 GB that ships with the TS-473A or add modules up to the 64 GB ceiling?

The unit includes 8 GB DDR4 in two SODIMM slots; you can expand to 64 GB total if you run virtual machines or heavy caching workloads.

What does the Ryzen V1500B at 2.2 GHz actually deliver for file serving and apps?

Four cores at 2.2 GHz handle multi-user SMB/AFP transfers, container workloads and on-the-fly transcoding without bottlenecks for typical small-business loads.

How do the two 2.5 GbE ports and the USB 3.2 Gen 2 Type-A ports limit real-world throughput?

Each 2.5 GbE link caps near 2.5 Gbps, while the three Type-A ports run at 10 Gbps, so network or direct-attached copies hit those respective ceilings.

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