
QNAP TVS-672XT-i3-8G-68S 40TB 6-Bay Thunderbolt 3 NAS RAID 5
40TB RAID 5 pre-configured on Thunderbolt 3 with a 10GbE port — this NAS ships ready to ingest 4K video at wire speed.
*Price sourced from Amazon.com. Last updated:Jun 20, 2026.Price and availability are subject to change.
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Overview
Key Features
Six 8TB Seagate IronWolf drives pre-installed and pre-configured with RAID 5. Hassle Free!
Hassle-free plug and play setup
IronWolf drives include a robust three- year Rescue Data Recovery Services plan
Intel Core i3-8100t 4-Core 3. 1 GHz Processor architecture: 64-bit Graphics: Intel UHD Graphics 630
8 GB SODIMM DDR4 (Max 64GB)
2 x Thunderbolt 3 ports
1 x 10GBase-T RJ45, supporting 10G/5G/2. 5G/1G/100M
Specifications
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Check on Amazon →Pros & Cons
👍 Pros
- Thunderbolt 3 at 40Gbps eliminates network-layer bottlenecks, delivering near-direct-attached performance for connected workstations.
- Pre-configured RAID 5 with six 8TB IronWolf drives provides approximately 40TB usable storage and single-drive fault tolerance out of the box.
- 10GBase-T with auto-negotiation (10G/5G/2.5G/1G/100M) supports multi-speed network environments without additional hardware.
- Intel Core i3-8100T enables hardware video transcoding via UHD Graphics 630, reducing CPU overhead during streaming workloads.
- DDR4 expandable to 64GB provides significant headroom for caching and virtualization workloads as demands grow.
👎 Cons
- Intel Core i3-8100T is a 35W TDP mobile variant — under sustained parallel Thunderbolt + 10GbE + transcoding load, the CPU may become the throughput ceiling before storage or network are saturated.
- 8GB DDR4 baseline RAM is insufficient for workloads combining heavy caching, multiple simultaneous streams, and VM storage — expansion is a near-immediate requirement for power users.
- RAID 5 with six HDDs carries a non-trivial rebuild window after a drive failure; during rebuild, the array operates in degraded mode with elevated second-failure risk.
- The 10GBase-T port requires a 10GbE-capable switch or NIC in the connected infrastructure — a cost most users do not already have in place.
- Two Thunderbolt 3 ports limit direct simultaneous host connections to two workstations without a Thunderbolt switch or daisy-chain topology.