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6-bay Core i3 QuTS hero tower NAS
QNAP TVS-h674-i3-16G 6-Bay Core i3 2.5GbE QuTS hero NAS
The QNAP TVS-h674-i3-16G is a six-bay tower NAS with an Intel® Core i3-12100 processor, 16GB DDR4, dual 2.5GbE, two M.2 PCIe Gen 4 x4 slots, two PCIe Gen 4 slots and HDMI output.

What is it? It is an SMB NAS for file serving, virtualisation, collaborative media workflows, backup and recovery. The supplied QuTS hero content includes ZFS-based data protection, inline data reduction, snapshots, SnapSync and SSD optimisation.
12th Gen Intel® Core processing
The supplied processor, graphics and memory configuration supports multitasking across storage and virtual workloads.
Core i3-12100
The processor has four cores, eight threads and burst speeds up to 4.3GHz.
Intel® UHD Graphics 730
Integrated graphics, hardware-accelerated transcoding and GPU pass-through are listed.
16GB DDR4 installed
The NAS supports up to 64GB using two SODIMM DDR4 slots.
Six SATA bays with two M.2 PCIe Gen 4 slots
The storage layout combines hot-swappable SATA capacity with optional NVMe cache and storage pools.
Six SATA bays
The 3.5-inch bays support compatible 3.5-inch SATA HDDs and 2.5-inch SATA SSDs.
Two M.2 slots
Two M.2 2280 PCIe Gen 4 x4 slots support compatible NVMe SSDs using PCIe Gen 3 and above.
Cache and AI options
SSD cache acceleration and compatible M.2 Edge TPU acceleration are described in the supplied content.
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Dual 2.5GbE and two PCIe Gen 4 slots
Built-in multi-gigabit networking and flexible expansion support higher-bandwidth workflows.
Dual 2.5GbE
Two ports support 2.5G, 1G, 100M and 10M, with Port Trunking described in the source.
Optional faster networking
Compatible PCIe cards can add 5GbE, 10GbE or 25GbE connectivity according to the supplied description.
PCIe expansion
Two PCIe Gen 4 slots support compatible network adapters, QM2 cards and entry-level graphics cards.
Virtualisation, media and ZFS-based protection
The supplied information supports virtual workloads, local display and storage-protection features.
Virtual machines and containers
The source lists VMware Ready, Microsoft Hyper-V, Citrix and Veeam Ready environments.
QuTS hero data services
Inline deduplication, compression, snapshots, SnapSync and SSD optimisation are described.
HDMI output
HDMI 1.4b supports up to 4096 × 2160 at 30Hz for compatible local display use.
Frequently asked questions
What is the QNAP TVS-h674-i3-16G?
It is a six-bay QuTS hero tower NAS with an Intel® Core i3-12100 processor, 16GB DDR4 and dual 2.5GbE.
Which processor is installed?
It uses an Intel® Core i3-12100 four-core, eight-thread processor with burst speeds up to 4.3GHz.
How much memory is included and supported?
It includes 16GB SODIMM DDR4 and supports up to 64GB using two 32GB modules.
Which drives can be installed?
The six 3.5-inch bays support compatible 3.5-inch SATA HDDs and 2.5-inch SATA SSDs.
What do the M.2 slots support?
It has two M.2 2280 PCIe Gen 4 x4 slots for compatible NVMe SSDs using PCIe Gen 3 and above.
Are M.2 SSDs hot-swappable?
No. The supplied specifications state that hot-swapping is not supported for M.2 SSDs.
Does it include 10GbE or 25GbE?
It includes two 2.5GbE ports. The supplied description lists optional 5GbE, 10GbE and 25GbE through compatible PCIe cards.
What can the PCIe slots support?
The supplied information lists compatible network adapters, QM2 cards and entry-level graphics cards.
Can it run virtual machines and containers?
Yes. The source states that it can host multiple virtual machines and containers with optimised resource utilisation.
Does it support AI acceleration?
The supplied content describes support for a compatible M.2 Edge TPU accelerator for supported QNAP AI applications. The accelerator is sold separately.
Which USB and HDMI connections are listed?
It has one USB 3.2 Gen 2 Type-C port, two Type-A ports and HDMI 1.4b up to 4096 × 2160 at 30Hz.
What warranty applies to the TVS-h674-i3-16G?
The supplied specifications list a three-year QNAP manufacturer warranty. Coverage is subject to QNAPs applicable warranty terms.
(TVS-h674-i3-16G)
Features and highlights
Key product details organised from the supplied QNAP information for TVS-h674-i3-16G.
Core i3-12100
Four cores, eight threads and burst speeds up to 4.3GHz.
16GB DDR4
Installed memory supports expansion up to 64GB.
Six SATA bays
Compatible 3.5-inch HDDs and 2.5-inch SATA SSDs are supported.
Dual M.2 PCIe Gen 4
Two slots support cache, pools and other compatible NVMe uses.
Dual 2.5GbE
Optional faster networking is available through PCIe expansion.
Two PCIe Gen 4 slots
Compatible network, QM2 and entry-level graphics cards can be added.
Technical specifications
The following specifications are organised from the supplied product information for QNAP TVS-h674-i3-16G.
Product details
| Brand | QNAP |
|---|---|
| Model / SKU | TVS-h674-i3-16G |
| Product type | 6-bay Core i3 QuTS hero tower NAS |
Processor and Memory
| CPU | Intel® Core i3-12100 4-core/8-thread processor, burst up to 4.3GHz |
|---|---|
| CPU Architecture | 64-bit x86 |
| Graphics Processor | Intel® UHD Graphics 730 |
| Encryption Engine | Yes (AES-NI) |
| Hardware-Accelerated Transcoding | Yes |
| System Memory | 16GB SODIMM DDR4 |
| Maximum Memory | 64GB (2 × 32GB) |
| Memory Slots | 2 × SODIMM DDR4 |
Storage
| Drive Bays | 6 × 3.5-inch SATA 6Gb/s, 3Gb/s |
|---|---|
| Drive Compatibility | 3.5-inch SATA hard disk drives 2.5-inch SATA solid state drives |
| Hot-Swappable | Yes Hot-swapping is not supported for M.2 SSDs. |
| M.2 Slots | 2 × M.2 2280 PCIe Gen 4 x4 slots Compatible with NVMe SSD PCIe Gen 3 and above. Confirm compatibility before purchase. |
| SSD Cache Acceleration | Supported |
| GPU Pass-Through | Yes |
Networking
| 2.5 Gigabit Ethernet | 2 × 2.5GbE ports (2.5G/1G/100M/10M) |
|---|---|
| 5 Gigabit Ethernet | Optional via PCIe expansion card |
| 10 Gigabit Ethernet | Optional via PCIe expansion card |
| Wake on LAN | Yes |
| Jumbo Frame | Yes |
Expansion and Connectivity
| PCIe Slots | 2 slots Slot 1: PCIe Gen 4 x16 Slot 2: PCIe Gen 4 x4 Card dimensions for slots 12: 185 × 111.15 × 18.76mm. Wider cards can be installed if the next PCIe slot is not used. |
|---|---|
| USB 3.2 Gen 2 Ports | 1 × Type-C USB 3.2 Gen 2 10Gbps 2 × Type-A USB 3.2 Gen 2 10Gbps |
| HDMI Output | 1 × HDMI 1.4b, up to 4096 × 2160 at 30Hz |
Physical Specifications
| Form Factor | Tower |
|---|---|
| LED Indicators | HDD 16, status, LAN, USB port and M.2 port |
| LCD Display / Button | Yes |
| Buttons | Power, reset and USB Copy |
| Dimensions (H × W × D) | 180.2 × 264.3 × 279.6mm Dimensions exclude the foot pad, which may be up to 30mm high depending on model. |
| Net Weight | 6.32kg |
| Gross Weight | 7.89kg |
| Kensington Security Slot | Yes |
Power and Cooling
| Power Supply Unit | 250W, 100240V |
|---|---|
| Disk Standby Power Consumption | 39.911W |
| Typical Operating Power Consumption | 79.363W Tested fully populated with WD10EFRX hard drives. |
| Fans | System fan: 2 × 92mm, 12VDC CPU fan: 1 × 60mm, 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 | 2,500 with maximum memory installed |
| SKU | TVS-h674-i3-16G |
| Model # | TVS-h674 |
| Barcode # | 4711103082379 |
| Brand | QNAP |
| Shipping Weight | 8.0000kg |
| Shipping Width | 0.420m |
| Shipping Height | 0.300m |
| Shipping Length | 0.400m |
| Shipping Cubic | 0.050400000m3 |
3-year QNAP manufacturer warranty
The supplied specifications list a 3-year manufacturer warranty for QNAP TVS-h674-i3-16G.
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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