QNAP

QNAP TS-859U-RP+ 8-Bay NAS iSCSI Server

High-Performance NAS for Demanding Storage NeedsThe QNAP TS-859U-RP+ NAS is a versatile 8-bay network-attached storage solution designed for businesses requiring high capacity and reliable performance. Featuring iSCSI support and multiple USB ports, this NAS comes with rails for easy rackmount in...

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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

High-Performance NAS for Demanding Storage Needs

The QNAP TS-859U-RP+ NAS is a versatile 8-bay network-attached storage solution designed for businesses requiring high capacity and reliable performance. Featuring iSCSI support and multiple USB ports, this NAS comes with rails for easy rackmount installation.

  • Brand: QNAP
  • Model: TS-859U-RP+
  • Number of Bays: 8
  • Features: iSCSI, 4 USB ports
  • Included: Rails

Specifications

Drive Bays
8-Bay
Type
NAS iSCSI Server
Power Supply
Redundant (RP+)
Brand
QNAP
Model
TS-859U-RP+

Pros & Cons

👍 Pros

  • Designed with an 8-bay configuration, allowing for significant storage capacity expansion and data redundancy.
  • Functions as a NAS iSCSI Server, offering versatile network storage and virtualization capabilities.
  • Equipped with redundant power supplies (RP+), enhancing system uptime and reliability in critical environments.
  • The QNAP TS-859U-RP+ supports various business applications through its NAS functionality.
  • Built by QNAP, a recognized brand in network attached storage solutions.

👎 Cons

  • Requires the purchase and installation of hard drives separately, adding to the initial investment cost.
  • The specific processor and RAM details are not provided, which could impact performance for demanding tasks.
  • Configuration and setup as a NAS iSCSI server may require technical expertise.
  • As an older model, its power efficiency or maximum throughput might be surpassed by newer NAS devices.
  • Physical dimensions or rack unit size are not specified, which is important for rack-mount installations.

Frequently Asked Questions

The QNAP TS-859U-RP+ features an 8-bay design, allowing it to house up to eight hard drives for storage.
No, the product information indicates that hard drives are not included, and would need to be purchased separately for the QNAP TS-859U-RP+.
The "RP+" in QNAP TS-859U-RP+ stands for redundant power supplies, indicating that the unit includes multiple power sources to ensure continuous operation even if one fails.
Yes, as a NAS iSCSI Server, the QNAP TS-859U-RP+ is capable of supporting iSCSI targets, which are commonly used for virtualization storage.
This QNAP NAS is well-suited for business applications requiring centralized network storage, data backup, and iSCSI-based storage for server virtualization or databases.