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QNAP TS-431K-44R-US 4-Bay NAS 12TB Seagate IronWolf RAID 5 — main product image
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QNAP TS-431K-44R-US 4-Bay NAS 12TB Seagate IronWolf RAID 5

★★★★★4.0 (217 reviews)
USB 3.2

Secure and Centralize Your Data with QNAP 4 Bay Home NAS The QNAP TS-431K-44R-US provides a reliable and efficient solution for storing and sharing your digital assets. Preconfigured with four 4TB Seagate IronWolf drives in a RAID 5 array, this NAS offers both ample storage capacity and data red...

$749.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Secure and Centralize Your Data with QNAP 4 Bay Home NAS

The QNAP TS-431K-44R-US provides a reliable and efficient solution for storing and sharing your digital assets. Preconfigured with four 4TB Seagate IronWolf drives in a RAID 5 array, this NAS offers both ample storage capacity and data redundancy. Its compact design and user-friendly interface make it an ideal choice for home users.

  • Processor: Annapurna Labs AL-214 quad-core 1.7 GHz
  • Memory: 1GB DDR3 RAM
  • Storage: 4 x 4TB Seagate IronWolf Drives (12TB Usable in RAID 5)
  • Ports: 2 x 1 GbE, 3 x USB 3.2 Gen 1
  • Drive Bays: 4 x 3.5-inch SATA 6Gb/s, 3Gb/s

Key Features

Four 4TB Seagate Iron Wolf Drives Pre-Installed and Pre-Configured with RAID 5. Hassle Free!

Annapurna Labs AL-214 quad-core 1.7 GHz processor

1GB DDR3 RAM

2 x 1 GbE port

3 x USB 3.2 Gen 1 port

2x 3.5-inch SATA 6Gb/s, 3Gb/s

Specifications

Bays
4
Included Drives
4 x 4TB Seagate IronWolf
RAID Configuration
RAID 5 (Pre-configured)
Processor
Annapurna Labs AL-214 quad-core 1.7 GHz
RAM
1GB DDR3
Ethernet Ports
2 x 1 GbE
USB Ports
3 x USB 3.2 Gen 1
Drive Interface
2x 3.5-inch SATA 6Gb/s, 3Gb/s

Pros & Cons

👍 Pros

  • Comes with four 4TB Seagate IronWolf drives pre-installed and pre-configured with RAID 5 for immediate use and data redundancy.
  • Powered by an Annapurna Labs AL-214 quad-core 1.7 GHz processor, providing solid performance for file serving.
  • Includes 1GB DDR3 RAM, which is suitable for core NAS functions and light multitasking.
  • Features 2 x 1 GbE ports, allowing for network redundancy or link aggregation for increased throughput.
  • Equipped with 3 x USB 3.2 Gen 1 ports, offering convenient options for external storage expansion or peripheral connection.

👎 Cons

  • The 1GB DDR3 RAM may be a limiting factor for users who plan to run numerous applications or virtual machines on the NAS.
  • The Annapurna Labs AL-214 1.7 GHz quad-core processor, while capable, is not as powerful as some Intel-based NAS processors for demanding tasks.
  • Limited to 3.5-inch SATA 6Gb/s, 3Gb/s drives, which does not support the faster 2.5-inch SSDs for cache or primary storage.
  • Does not include dedicated 2.5GbE or 10GbE ports, which might bottleneck network performance in high-speed environments.
  • The pre-installed drives and RAID 5 configuration might not be the ideal setup for all users, such as those preferring RAID 0 or 1.

Frequently Asked Questions

Yes, it comes with four 4TB Seagate IronWolf drives pre-installed and pre-configured with RAID 5 for immediate, hassle-free use.
The QNAP TS-431K-44R-US is powered by an Annapurna Labs AL-214 quad-core 1.7 GHz processor.
It features 1GB of DDR3 RAM, suitable for managing storage and running QNAP's operating system.
The NAS is equipped with two 1 GbE ports, allowing for robust network connections.
Yes, it includes three USB 3.2 Gen 1 ports, providing options for connecting external storage or other peripherals.
The pre-installed Seagate IronWolf drives are pre-configured in a RAID 5 array, offering a balance of performance and data redundancy.
The QNAP TS-431K-44R-US supports 2x 3.5-inch SATA 6Gb/s and 3Gb/s drives in its bays.

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