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6-bay Thunderbolt 4 creator NAS
QNAP TVS-h674T-i5-32G 6-Bay Thunderbolt 4 QuTS hero NAS
The QNAP TVS-h674T-i5-32G combines an Intel® Core i5-12400 processor, 32GB DDR4, two Thunderbolt 4 ports, six SATA bays, two M.2 PCIe Gen 4 x4 slots and dual 2.5GbE in a tower NAS.

What is it? It is a creator-focused QuTS hero NAS for direct Mac and Windows connections, collaborative 4K video workflows, centralised storage, backup and hardware-accelerated transcoding. The supplied system requirement states macOS 13.5 or later.
Central storage for import, editing, sharing and backup
The supplied content positions the TVS-h674T for small studios and collaborative media-production workflows.
Import projects
Transfer files from Mac or Windows systems, supported USB storage or external DAS connections.
Edit and collaborate
Direct Thunderbolt 4 or optional high-speed networking can support shared editing workflows.
Share and protect
Share completed projects and back up NAS data to another NAS, cloud service or supported external storage.
Two Thunderbolt 4 ports for direct host connections
The ports support Thunderbolt connections for Windows and Mac hosts and USB storage devices.
Mac and Windows
The source lists Apple Silicon Macs, Intel®-based Macs and Windows PCs, with macOS 13.5 or later required.
Up to 20Gbps networking
The supplied Thunderbolt Networking bandwidth is stated as a maximum of 20Gbps.
External-storage limitation
Third-party Thunderbolt external storage devices are not supported.
Explore the DeviceDeal NAS Buying Guide
Compare NAS types, storage planning considerations and practical buying factors before selecting a system.
Core i5 processing with SATA and M.2 NVMe storage
The configuration combines six SATA bays, two M.2 slots and hardware-assisted media processing.
Core i5-12400
The processor has six cores, twelve threads and burst speeds up to 4.4GHz.
Six SATA bays
The bays support compatible 3.5-inch SATA HDDs, 2.5-inch SATA HDDs and 2.5-inch SATA SSDs.
Two M.2 Gen 4 slots
The M.2 2280 PCIe Gen 4 x4 slots support compatible NVMe SSDs using PCIe Gen 3 and above.
Dual 2.5GbE with optional faster network connectivity
Built-in networking and PCIe Gen 4 expansion support evolving studio requirements.
Dual 2.5GbE
Two ports support 2.5G, 1G, 100M and 10M network speeds.
Optional 5/10/25GbE
Compatible PCIe expansion cards can add faster network connectivity.
Two PCIe Gen 4 slots
Slot 2 is preinstalled with the supplied Thunderbolt 4 add-in card.
Hardware transcoding and ZFS-based protection
The supplied content combines media-processing features with QuTS hero storage services.
Hardware transcoding
Intel® UHD Graphics 730 supports hardware-accelerated transcoding for compatible media.
Self-healing storage
The supplied ZFS-based Self-Healing feature is described as detecting and correcting corrupted data.
Expansion examples
The source states up to 110TB internal capacity and up to 352TB with supported QNAP JBOD expansion.
Frequently asked questions
What is the QNAP TVS-h674T-i5-32G?
It is a six-bay QuTS hero NAS for creator workflows, with an Intel® Core i5-12400 processor, 32GB DDR4 and two Thunderbolt 4 ports.
How many Thunderbolt 4 ports are included?
Two Thunderbolt 4 ports are included for supported direct Mac and Windows host connections and USB storage devices.
Which computers can connect directly?
The supplied information lists Apple Silicon Macs, Intel®-based Macs and Windows PCs. macOS 13.5 or later is required.
What is the maximum supplied Thunderbolt Networking bandwidth?
The supplied information states a maximum Thunderbolt Networking bandwidth of 20Gbps.
Which processor and memory are installed?
It includes an Intel® Core i5-12400 six-core, twelve-thread processor and 32GB SODIMM DDR4. Maximum supported memory is 64GB.
Which drives fit the six SATA bays?
The bays support compatible 3.5-inch SATA HDDs, 2.5-inch SATA HDDs and 2.5-inch SATA SSDs.
Are M.2 NVMe SSDs included or hot-swappable?
The source says M.2 NVMe SSDs are sold separately, and the supplied specifications state that M.2 SSDs are not hot-swappable.
Can the network connection be upgraded?
Yes. The NAS includes two 2.5GbE ports and supports optional 5GbE, 10GbE or 25GbE through a compatible PCIe expansion card.
Does it support hardware-accelerated video transcoding?
Yes. Intel® UHD Graphics 730 supports hardware-accelerated transcoding. H.265 hardware transcoding requires CAYIN MediaSign Player with a Plus licence.
Can third-party Thunderbolt external storage be connected?
No. The supplied specifications state that third-party Thunderbolt external storage devices are not supported.
What storage-capacity examples are supplied?
The source states up to 110TB of internal storage and up to 352TB with supported QNAP JBOD expansion. Actual capacity depends on the selected drives and configuration.
What warranty applies to the TVS-h674T-i5-32G?
The supplied specifications list a three-year QNAP manufacturer warranty. Coverage is subject to QNAPs applicable warranty terms.
(TVS-h674T-i5-32G)
Features and highlights
Key product details organised from the supplied QNAP information for TVS-h674T-i5-32G.
Two Thunderbolt 4 ports
Direct host connections for supported Mac and Windows computers.
Core i5-12400
Six cores, twelve threads and burst speeds up to 4.4GHz.
Six SATA bays
Supports compatible 3.5-inch and 2.5-inch SATA storage.
Dual M.2 PCIe Gen 4
Two slots support compatible NVMe SSD uses.
Dual 2.5GbE
Optional 5GbE, 10GbE or 25GbE is available through PCIe expansion.
QuTS hero
Supplied ZFS features include self-healing and storage-protection services.
Technical specifications
The following specifications are organised from the supplied product information for QNAP TVS-h674T-i5-32G.
Product details
| Brand | QNAP |
|---|---|
| Model / SKU | TVS-h674T-i5-32G |
| Product type | 6-bay Thunderbolt 4 QuTS hero creator NAS |
Processor and Memory
| CPU | Intel® Core i5-12400 6-core/12-thread Processor, burst up to 4.4 GHz |
|---|---|
| CPU Architecture | 64-bit x86 |
| Graphics Processor | Intel® UHD Graphics 730 |
| Encryption Engine | Yes (AES-NI) |
| Hardware-Accelerated Transcoding | Yes |
| System Memory | 32 GB SODIMM DDR4 |
| Maximum Memory | 64 GB (2 x 32 GB) |
| Memory Slots | 2 x SODIMM DDR4 |
Storage
| Drive Bays | 6 x 3.5-inch SATA 6Gb/s, 3Gb/s |
|---|---|
| Drive Compatibility | 3.5-inch SATA hard disk drives 2.5-inch SATA hard disk drives 2.5-inch SATA solid state drives |
| Hot-Swappable | Yes Not supported for M.2 SSDs. |
| M.2 Slots | 2 x M.2 2280 PCIe Gen 4 x4 slots Compatible with NVMe SSD PCIe Gen 3 and above. |
| SSD Cache Acceleration Support | Yes |
| GPU Pass-Through | Yes |
Networking
| 2.5 Gigabit Ethernet | 2 x 2.5GbE ports (2.5G/1G/100M/10M) |
|---|---|
| 5 Gigabit Ethernet | Optional via PCIe expansion card |
| 10 Gigabit Ethernet | Optional via PCIe expansion card |
| 25 Gigabit Ethernet | Optional via PCIe expansion card |
| Wake on LAN | Yes |
| Jumbo Frame | Yes |
Thunderbolt, Expansion and I/O
| Thunderbolt Ports | 2 x Thunderbolt 4 Supports only Thunderbolt connections for Windows and Mac hosts and USB storage devices. Third-party Thunderbolt external storage devices are not supported. |
|---|---|
| PCIe Slots | 2 Slot 1: PCIe Gen 4 x16 Slot 2: PCIe Gen 4 x4 Slot 2 is preinstalled with a Thunderbolt 4 AIC. Card dimensions for PCIe slots 12: 185 x 111.15 x 18.76 mm / 7.28 x 4.38 x 0.74 inches. Wider cards can be installed if the next PCIe slot is not used. |
| USB 3.2 Gen 2 Ports | 1 x Type-C USB 3.2 Gen 2 10Gbps 2 x Type-A USB 3.2 Gen 2 10Gbps |
| HDMI Output | 1 x HDMI 1.4b, up to 4096 x 2160 at 30Hz |
Physical Specifications
| Form Factor | Tower |
|---|---|
| LED Indicators | HDD 16, Status, LAN, USB port, M.2 port |
| LCD Display / Button | Yes |
| Buttons | Power, Reset, USB Copy |
| Dimensions (H x W x D) | 180.2 x 264.3 x 279.6 mm Dimensions do not include the foot pad, which may be up to 30 mm / 1.18 inches high depending on model. |
| Weight (Net) | 6.36 kg |
| Weight (Gross) | 7.93 kg |
| Kensington Security Slot | Yes |
Power and Cooling
| Power Supply Unit | Minimum 250W PSU, 100240VAC |
|---|---|
| Power Consumption: Disk Standby | 39.911 W |
| Power Consumption: Typical Operating Mode | 79.363 W Tested fully populated with WD10EFRX hard drives. |
| Fan | System fan: 2 x 92 mm, 12VDC CPU fan: 1 x 60 mm, 12VDC |
| System Warning | Buzzer |
Operating Environment
| Operating Temperature | 040°C (32104°F) |
|---|---|
| Storage Temperature | -2070°C (-4158°F) |
| Relative Humidity | 595% RH non-condensing, wet bulb: 27°C (80.6°F) |
Warranty and Connections
| Standard Warranty | 3 years |
|---|---|
| Maximum Concurrent CIFS Connections | 2500 with maximum memory installed |
| SKU | TVS-h674T-i5-32G |
| Model # | TVS-h674T |
| Barcode # | 885022026814 |
| Brand | QNAP |
| Shipping Weight | 8.0000kg |
3-year QNAP manufacturer warranty
The supplied specifications list a 3-year manufacturer warranty for QNAP TVS-h674T-i5-32G.
Warranty coverage, eligibility and claim assessment are subject to QNAPs applicable warranty terms. Please retain your DeviceDeal tax invoice as proof of purchase.
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