QNAP

QNAP TS-253B-8G-US 2-Bay iSCSI NAS

3.8 (10 reviews)
4K

QNAP's 2-bay TS-253B packs a quad-core Intel processor, 8GB RAM, and hardware encryption into a compact NAS built for small business.

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Overview

The QNAP TS-253B-8G-US is designed for small and medium-sized businesses that need reliable networked storage with room for performance upgrades. Powered by an Intel Celeron J3455 quad-core processor that bursts up to 2.3GHz, and equipped with 8GB of DDR3L RAM, it handles concurrent file serving, virtualization, and containerized applications more capably than many 2-bay competitors. The two SATA 6Gbps bays accept standard 3.5-inch hard drives or 2.5-inch SSDs, and AES-NI hardware encryption ensures that enabling volume or folder encryption doesn't noticeably drag on read/write speeds.

What sets the TS-253B apart is its expandability and multimedia versatility. The PCIe slot lets you install a 10GbE card when Gigabit Ethernet becomes a bottleneck, future-proofing the unit for faster network environments. Dual HDMI v1.4b outputs at 4K resolution allow you to connect the NAS directly to a display for media playback through QNAP's HD Station or to run the QTS operating system as a basic desktop. A USB Type-C Quick Access port on the front panel makes it easy to copy files from external drives without logging into the web interface. For teams that need secure, high-performance shared storage in a compact form factor, the TS-253B delivers a strong balance of capability and expandability.

Key Features

Intel Celeron J3455 quad-core 1.5GHz (up to 2.3GHz), 8GB DDR3L RAM (2x4GB, max 8GB)

SATA 6G, 2xGbE, PCIe slot for 10GbE or 2 more GbE, AES-NI encryption, 4K hardware transcoding

Dual 4K HDMI v1.4b, max 1 UX-800P/UX-500P expansion unit, built-in speaker, 1x Line out

Specifications

CPU
Intel Celeron J3455 quad-core 1.5GHz (burst to 2.3GHz)
Memory
8GB DDR3L RAM (2x4GB, max 8GB)
Drive Bays
2 x SATA 6Gbps
Ethernet
2 x Gigabit Ethernet
Expansion
PCIe slot (10GbE or dual GbE)
Encryption
AES-NI hardware encryption
Video Output
Dual 4K HDMI v1.4b
Ports
USB Type-C Quick Access

Pros & Cons

👍 Pros

  • Quad-core Intel Celeron and 8GB RAM provide strong performance for a 2-bay NAS
  • PCIe expansion slot allows upgrading to 10GbE networking as needs grow
  • AES-NI hardware encryption secures data without significantly slowing transfers
  • Dual 4K HDMI outputs enable direct media playback or use as a lightweight desktop
  • USB Type-C Quick Access port simplifies quick file transfers from external devices

👎 Cons

  • Only two drive bays limits total raw storage capacity and RAID flexibility
  • RAM is maxed at 8GB with no room for further expansion
  • DDR3L memory is a generation behind current DDR4 standards
  • Larger chassis footprint than some competing 2-bay NAS units

Frequently Asked Questions

It features an Intel Celeron J3455 quad-core processor (1.5GHz, burst to 2.3GHz) and comes with 8GB of DDR3L RAM.
Yes, the TS-253B has a PCIe expansion slot that accepts a 10GbE network card or a dual GbE adapter for additional connectivity.
Yes, it uses AES-NI hardware encryption, which offloads encryption tasks to the processor so data security has minimal impact on transfer speeds.
It has two SATA 6Gbps drive bays, supporting both traditional hard drives and SSDs.
Yes, it has dual HDMI v1.4b ports capable of 4K output, allowing direct connection to a monitor or TV for media playback or QTS desktop use.