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QNAP

QNAP TS-864eU-RP-4G 8-Bay Short Depth Rackmount NAS

★★★★★4.8 (11 reviews)

The QNAP TS-864eU-RP 8-bay short-depth rackmount NAS combines dual 2.5GbE, M.2 NVMe caching, and redundant power in a compact 1U form factor.

$159.00*$1,599.00Save 90%
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The QNAP TS-864eU-RP-4G is an 8-bay rackmount network attached storage device engineered for small and medium businesses that need reliable, feature-rich storage in a space-constrained environment. Its short-depth chassis design is the standout physical characteristic, allowing installation in shallow racks, wall-mounted enclosures, and compact server closets that cannot accommodate standard-depth rackmount equipment. Powered by an Intel Celeron N5105/N5095 quad-core processor with burst speeds up to 2.9 GHz and equipped with 4GB of expandable DDR4 RAM, it handles file serving, backup operations, surveillance recording, and 4K media transcoding with enough headroom for concurrent workloads typical of SMB environments.

Connectivity is anchored by dual 2.5GbE Ethernet ports supporting link aggregation and failover configurations, complemented by multiple USB 3.2 Gen 2 Type-A ports delivering up to 10 Gbps transfer speeds for direct-attached storage expansion or fast file ingest. The dual M.2 PCIe Gen 3 x1 NVMe SSD slots provide a dedicated acceleration layer — configurable as read/write cache or independent SSD storage pools — without consuming any of the eight hot-swappable drive bays. Redundant power supplies protect against PSU failure, while QNAP's extensive software ecosystem, including Boxafe for Google Workspace and Microsoft 365 backup, QVR Pro for surveillance, and snapshot-based ransomware protection, delivers enterprise-oriented capabilities at a price point and form factor accessible to smaller organizations.

Key Features

Intel Celeron N5105/N5095 4C/4T burst up to 2.9 GHz processor and 4GB DDR4 RAM (up to 16GB)

Dual 2.5GbE (2.5G/1G/100M) ports accelerates file sharing across teams and devices or streamline large file transfers

Dual M.2 PCIe Gen 3 x1 NVMe SSD slots enable cache acceleration or SSD storage pools for improved performance

Multiple USB 3.2 Gen 2 ports (type-A) with up to 10Gb/s transfer speeds, allowing compatibility with newer, faster USB drives/expansion enclosures for transferring large media files

4K media playback and real-time transcoding; display multimedia content saved on the NAS via HDMI 1.4b (4K @30Hz) output

Backup Google Workspace & Microsoft 365 accounts and files to NAS with Boxafe

Comprehensive surveillance solution for 24/7 security with QVR Pro

Create a disaster recovery plan with ransomware protection using QNAP’s storage snapshot solution

Specifications

Brand
QNAP
Model
TS-864eU-RP-4G-US
Drive Bays
8
Form Factor
Short-depth rackmount
CPU
Intel Celeron N5105/N5095 Quad-Core (burst up to 2.9 GHz)
RAM
4GB DDR4 (expandable to 16GB)
Ethernet
Dual 2.5GbE (2.5G/1G/100M)
M.2 Slots
Dual M.2 PCIe Gen 3 x1 NVMe SSD
USB Ports
Multiple USB 3.2 Gen 2 Type-A (up to 10 Gbps)
HDMI
HDMI 1.4b (4K @30Hz)
Power Supply
Redundant (dual PSU)

Pros & Cons

👍 Pros

  • Short-depth chassis fits in shallow racks and compact server environments where standard-depth units cannot
  • Dual 2.5GbE ports provide fast network throughput with link aggregation or failover options
  • Dual M.2 NVMe SSD slots enable cache acceleration without sacrificing any of the eight main drive bays
  • Redundant power supplies ensure continued operation through a single PSU failure
  • Intel Celeron quad-core processor supports 4K transcoding, virtualization, and multiple concurrent applications

👎 Cons

  • 4GB base RAM may be limiting for running multiple applications or VMs simultaneously without an upgrade
  • Dual 2.5GbE networking lacks 10GbE, which may bottleneck high-throughput workflows in larger deployments
  • M.2 slots are PCIe Gen 3 x1, offering lower SSD bandwidth than Gen 3 x4 or Gen 4 interfaces
  • Eight-bay capacity may not be sufficient for organizations with rapidly growing multi-tens-of-terabyte storage needs
  • QNAP's software ecosystem has a learning curve for administrators unfamiliar with QTS

Frequently Asked Questions

Short-depth refers to the reduced chassis length compared to standard rackmount servers, allowing the TS-864eU-RP to fit in smaller or shallower network racks and enclosures commonly found in small offices, retail locations, and compact server rooms.
Yes, the DDR4 RAM is expandable up to 16GB, letting you increase memory capacity as your workloads grow or if you plan to run virtual machines and multiple applications simultaneously on the NAS.
The M.2 PCIe Gen 3 x1 NVMe slots can be configured as SSD cache to accelerate read/write performance for frequently accessed data, or set up as dedicated SSD storage pools for high-speed applications without occupying any of the eight main drive bays.
Yes, the "RP" in the model name indicates redundant power, meaning the unit includes dual power supplies so that if one fails, the other maintains operation without interruption or data loss.
Yes, QNAP includes QVR Pro surveillance software that supports 24/7 recording from IP cameras, turning the TS-864eU-RP into a combined storage and security monitoring solution without needing a separate NVR appliance.

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