QNAP

QNAP TVS-672XT 6-Bay Thunderbolt NAS 40TB RAID

3.3 (4 reviews)

Thunderbolt-fast 6-bay NAS preconfigured with 40TB of RAID 5 storage for demanding creative and business workflows.

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Overview

The QNAP TVS-672XT-PT-4G-68R-US is a 6-bay Thunderbolt NAS designed for professionals who demand both high throughput and substantial storage capacity in a single appliance. It arrives preconfigured with Seagate IronWolf drives arranged in a RAID 5 array totaling 40TB raw (approximately 32TB usable), eliminating the time-consuming process of sourcing compatible drives, installing them, and initializing the array. For video editors, photographers, and design teams who need to work directly from network storage without transfer bottlenecks, the Thunderbolt interface provides speeds that standard Gigabit or even 10GbE Ethernet cannot match.

Beyond raw performance, the TVS-672XT runs QNAP's QTS operating system, which offers a full suite of storage management tools including snapshots, automated backups, and app-based extensibility for surveillance, media streaming, or virtualization. The six bays provide a growth path — drives can be individually replaced with higher-capacity units and the array expanded online. The included 4GB of DDR4 RAM is adequate for basic file serving but should be upgraded if you plan to run virtual machines, Docker containers, or serve a large number of simultaneous users. As a desktop-class NAS with Thunderbolt, this unit occupies a specific niche: it's most at home sitting next to a high-end editing workstation while also serving files to the broader team over Ethernet.

Specifications

Brand
QNAP
Model
TVS-672XT-PT-4G-68R-US
Drive Bays
6
Total Raw Capacity
40TB
Installed Drives
Seagate IronWolf
RAID Level
RAID 5
Connectivity
Thunderbolt
RAM
4GB

Pros & Cons

👍 Pros

  • Ships preconfigured with 40TB of Seagate IronWolf drives in RAID 5 so it is ready to use out of the box
  • Thunderbolt connectivity delivers direct-attached speeds ideal for real-time video editing workflows
  • Six drive bays provide room to expand or rebuild storage as capacity needs grow
  • RAID 5 configuration protects against a single drive failure without sacrificing all redundancy to mirroring

👎 Cons

  • RAID 5 usable capacity is roughly 32TB from the 40TB raw total due to parity overhead
  • Ships with only 4GB of RAM which may be insufficient for heavy virtualization or many concurrent users
  • Premium pricing reflects the preconfigured Thunderbolt NAS category and included enterprise drives
  • The unit's size and power draw make it impractical for portable or small home-office setups

Frequently Asked Questions

The unit ships with Seagate IronWolf drives preconfigured in RAID 5, providing approximately 32TB of usable storage with single-drive fault tolerance across the six bays.
The Thunderbolt interface enables direct-attached speeds far exceeding standard Gigabit Ethernet, making it suitable for editing large video files or working with high-resolution media directly from the NAS without copying to local storage first.
Yes, the six drive bays are accessible and you can replace individual drives with larger capacity units. The RAID array can be rebuilt after a drive swap, and QNAP's QTS operating system supports online RAID capacity expansion.
Yes, in addition to Thunderbolt the TVS-672XT includes Ethernet ports, allowing it to function as both a direct-attached high-speed workstation storage device and a shared network storage server simultaneously.
This configuration ships with 4GB of RAM, which is upgradeable if your workload requires more memory for virtualization or a large number of concurrent users.