QNAP Ultra-high Speed 8 BAY Nas. Intel - TVS-H874X-I9-64G-US

QNAP TVS-H874X-I9-64G-US 8-Bay High-Performance NAS with Intel Core i9

The QNAP TVS-H874X-I9-64G-US is an 8-bay network-attached storage appliance built around an Intel® Core™ i9 processor — a 16-core (8P+8E), 24-thread chip that puts serious compute headroom behind storage-intensive workloads like 4K video transcoding, real-time surveillance recording, and virtualized application hosting. At 64GB of RAM paired with that CPU, this is not a passive file server; it is an active compute node that happens to hold your data. Browse the full QNAP NAS and storage line to compare models across the family.

Overview

The TVS-H874X-I9-64G-US sits at the high end of the QNAP TVS-h874 family. Eight drive bays give you the raw capacity headroom that multi-user production environments demand, while the i9 platform delivers the throughput needed to serve simultaneous access patterns without queue buildup. The built-in Intel® UHD Graphics 770 GPU handles hardware-accelerated transcoding — particularly relevant if you are feeding surveillance footage or media streams to clients that cannot decode natively. This is the US market SKU; verify regional power compatibility before ordering for non-US deployments.

Key Features

• Intel® Core™ i9 16-core (8P+8E) / 24-thread Processor: The performance-core / efficiency-core split means the NAS can run heavy background tasks (RAID rebuild, snapshot replication, antivirus scans) on efficiency cores while latency-sensitive workloads get the full performance cores. For surveillance environments recording dozens of high-resolution streams, that workload isolation matters more than raw clock speed.
• 64GB RAM: Sufficient headroom to run multiple virtual machines or containers alongside active NAS services without thrashing swap. If you are deploying VMS software (e.g., QNAP's QVR Pro) directly on the unit, 64GB gives you room to assign dedicated memory to the VMS process without starving the storage subsystem.
• Intel® UHD Graphics 770 (Built-in GPU): Hardware video decode and encode offloads transcoding from the CPU, keeping CPU cycles available for file serving and RAID operations. Relevant for any deployment that needs real-time 4K stream delivery or on-the-fly format conversion for mixed client environments.
• 2x M.2 2280 PCIe SSD Slots: Dedicated M.2 slots for SSD caching or tiering mean you can accelerate frequently accessed data without consuming any of the 8 drive bays. In a surveillance context, an M.2 write-cache tier can absorb burst writes from multiple cameras during peak motion-event periods before flushing to spinning media.
• 2x 2.5GbE Ethernet Ports: Dual 2.5GbE gives you link aggregation (up to 5Gbps combined) or separate management and data network segments without adding a PCIe NIC. For most 8-camera or under deployments on a dedicated NVR-adjacent NAS, 2.5GbE per port is plenty; larger installations should budget a PCIe 10GbE card in one of the expansion slots.
• 2x PCIe Expansion Slots: Two open PCIe slots let you add 10GbE or 25GbE networking, additional M.2 adapters, fibre channel HBAs, or GPU accelerators depending on the deployment requirement. This is the flexibility gap that separates the TVS-h874X from fixed-configuration NAS devices — you are not locked into the base network spec at purchase time.
• HDMI Output: Direct HDMI connectivity lets the unit drive a local display for Surveillance Station or QVR Pro monitoring without a separate display server. Useful for a security operations desk where the NAS is the primary recording and display node.

Integration and Compatibility

The TVS-H874X-I9-64G-US runs QNAP's QTS or QuTS hero operating system (ZFS-based on QuTS hero), which integrates with standard SMB, NFS, and iSCSI protocols for broad client compatibility. The PCIe expansion slots accept standard QNAP-validated network and storage cards. For network video recording deployments, QVR Pro runs natively on the unit, eliminating a separate server. Pair with a PoE switch for camera connectivity and a NAS storage planning guide when sizing drive capacity for retention requirements. The M.2 PCIe slots accept NVMe SSDs for SSD caching and tiering accessories validated by QNAP's compatibility list — verify the specific SSD model against QNAP's published compatibility database before purchase.

Frequently Asked Questions

Q: What processor does the TVS-H874X-I9-64G-US use?

A: It uses an Intel® Core™ i9 16-core (8P+8E), 24-thread processor on a 64-bit x86 architecture with Intel® UHD Graphics 770 integrated GPU.

Q: How many drive bays does the TVS-H874X-I9-64G-US have?

A: The TVS-H874X-I9-64G-US has 8 drive bays. It also includes 2x M.2 2280 PCIe slots for SSD caching or tiering that do not consume bay slots.

Q: Can I expand the network connectivity beyond the built-in 2.5GbE ports?

A: Yes. The unit includes 2 PCIe expansion slots that accept QNAP-validated network cards, including 10GbE and 25GbE options, so you are not limited to the base 2x 2.5GbE configuration.

Q: Is the TVS-H874X-I9-64G-US suitable as a dedicated surveillance NAS running VMS software?

A: The i9 CPU, 64GB RAM, and built-in GPU make it capable of running QNAP QVR Pro natively alongside NAS services. The M.2 SSD cache slots can buffer burst writes from multiple camera streams. For large-scale surveillance deployments (50+ channels), validate stream count and retention requirements against QNAP's QVR Pro channel specifications before committing.

Q: What does the -US suffix on TVS-H874X-I9-64G-US indicate?

A: The -US suffix designates the North American market SKU. Confirm regional power standards if deploying outside the US.

Q: Can the M.2 slots be used for additional storage rather than just caching?

A: The 2x M.2 2280 PCIe slots support both SSD caching and storage tiering (Qtier) depending on QTS/QuTS hero configuration, so they can serve as a fast-access tier for hot data rather than purely as a write cache.

Marty Allison

The TVS-H874X-I9-64G-US is one of the few prosumer-to-commercial NAS units where the CPU spec genuinely changes how you architect the deployment. The Intel Core i9 16-core (8P+8E) / 24-thread platform with Intel UHD Graphics 770 means you can run QVR Pro for camera recording, Virtualization Station for a Windows or Linux VM, and active RAID operations simultaneously — without the CPU becoming the bottleneck. That is not something you get from the mid-range i5 variants in the same TVS-h874 family.

Technical Highlights:

• 16-core i9 with P/E core split: The efficiency-core cluster handles background RAID operations, snapshot schedules, and replication tasks without stealing cycles from latency-sensitive camera recording or VM workloads running on performance cores.
• Dual M.2 2280 PCIe slots (independent of drive bays): Two dedicated NVMe slots mean you can deploy an SSD write-cache tier to absorb simultaneous motion-event bursts from multiple high-resolution cameras, then flush to spinning HDDs — without giving up a single one of the 8 data bays.
• 2x PCIe expansion slots: The base 2x 2.5GbE is adequate for small deployments, but these open PCIe slots are where the TVS-H874X-I9-64G-US grows into larger environments — add a 10GbE or 25GbE card as bandwidth demands scale.

Deployment Considerations:

• If you plan to run both QuTS hero (ZFS) and virtual machines, allocate memory deliberately — ZFS ARC cache is aggressive about consuming available RAM, which can starve VM guests on a 64GB system under heavy concurrent load. Profile your ZFS ARC ceiling in the OS settings early.
• The 2.5GbE base networking is a watch-out for high-channel surveillance deployments. A 50-camera install at 4K/H.265 can push 200–400 Mbps of inbound write traffic — plan a PCIe 10GbE card into the BOM from the start, not as an afterthought.

For a security operations center or mid-size enterprise wanting a single appliance that records surveillance, hosts a VMS, and serves file shares without three separate boxes, the TVS-H874X-I9-64G-US is the unit to evaluate first — the i9 platform gives you the compute latitude to consolidate those workloads without the performance compromises that come with NAS-class CPUs.