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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

  • CPUAMD Ryzen Embedded V1500B quad-core 2.2 GHz processor
  • Form factor4-Bay
  • Port count1 x USB 3.2 Gen 1 Type-C / 2 × 2.5GbE / 3 x USB 3.2 Gen 2
  • Power draw29.79 W (Access) 19.58 W (HDD Hibernation)
  • LAN ports2 × 2.5 GbE
  • USB ports3 x Type-A USB 3.2 Gen 2 5 V/1A 10 Gbit/s 1 x Type-C USB 3.2

Form Factor 4-Bay

Memory Slot 2 x DDR4 SODIMM

  • 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.

How it compares

Measured against everything we stock in Multi-Bay Desktop NAS, at today’s prices. Recalculated every night.

Price $674.99
Pricier than about 55% of the 230 comparable items (median $562.49).

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Specifications

Product
Brand nameQNAP
Model nameTS-473A-8G-US
Product typeDesktop NAS
Processor
CPUAMD Ryzen Embedded V1500B quad-core 2.2 GHz processor
Memory
Installed RAM8 GB DDR4
Maximum RAM capacity64 GB
RAM slots2 x DDR4 SODIMM
Storage
Drive interface4 x SATA (4 x Bay)
Drives includedDiskless System
Ports & slots
Port count1 x USB 3.2 Gen 1 Type-C / 2 × 2.5GbE / 3 x USB 3.2 Gen 2
LAN ports2 × 2.5 GbE
USB ports3 x Type-A USB 3.2 Gen 2 5 V/1A 10 Gbit/s
1 x Type-C USB 3.2 Gen 1 5 V/1A 5 Gbit/s
Power
Power draw29.79 W (Access)
19.58 W (HDD Hibernation)
Power details250 W, 100-240 V AC, 50-60 Hz, 3.5A
Power Consumption:
HDD Sleep Mode: 19.576 W
Operating Mode, Typical: 29.792 W
Size & build
Form factor4-Bay
Product dimensions7.41 in × 7.85 in × 11.06 in
Product weight11.09 lb (5.03 kg)
Shipping weight6.26 kg
Package size378 × 343 × 251 mm
Compatibility
Compatible drives3.5 in SATA HDD
2.5 in SATA HDD
2.5 in SATA SSD
Environment & compliance
Temperature rangeOperating temperature: 0–40 °C (32 °F - 104 °F)
Storage Temperature: -20–70 °C (-4 °F - 158 °F)
Humidity range5-95% RH non-condensing, wet bulb: 27 °C (80.6 °F)
More details
Pcie2 x M.2 2280 PCIe Gen3 x1 slots
Slot 1: PCIe Gen 3 x4
Slot 2: PCIe Gen 3 x4
Maximum capacity88 TB
Indicator lightsStatus/Power, USB, LAN, Drive 1-4, M.2 SSD 1-2

Other versions of this model

2 more in the same range

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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