QNAP
QNAP TS-653D-4G 6-Bay 2.5GbE NAS J4125
★★★★★
USB 2.0USB 3.2PCIe Gen 2
A 6-bay NAS with dual 2.5GbE ports and PCIe expandability for growing storage needs.
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Overview
Key Features
Intel Celeron J4125 quad-core 2.0 GHz processor (burst up to 2.7 GHz)
Intel HD Graphics 600
4GB SO-DIMM DDR4 (Max 8GB)
6 x 3.5-inch drive bays (Diskless)
2 x 2.5GbE ports
1 x PCIe Gen 2 slot
3 x USB 2.0 ports
2 x USB 3.2 Gen 1 ports
1 x HDMI output
Specifications
Processor
Intel Celeron J4125 quad-core 2.0 GHz (burst up to 2.7 GHz)
Graphics
Intel HD Graphics 600
Memory
4GB SO-DIMM DDR4 (Max 8GB)
Drive Bays
6 x 3.5-inch (Diskless)
Network
2 x 2.5GbE ports
Expansion
1 x PCIe Gen 2 slot
USB Ports
3 x USB 2.0, 2 x USB 3.2 Gen 1
Video Output
1 x HDMI
Brand
QNAP
Model
TS-653D-4G
Pros & Cons
👍 Pros
- Dual 2.5GbE ports offer faster-than-gigabit networking without requiring a 10GbE switch.
- Six drive bays provide ample room for large RAID arrays and future storage expansion.
- PCIe Gen 2 slot allows adding 10GbE networking, M.2 SSD caching, or other expansion cards.
- HDMI output enables direct media playback on a connected display without a separate device.
- Intel Celeron J4125 quad-core processor handles transcoding and multiple simultaneous users.
👎 Cons
- Maximum RAM is limited to 8GB, which may constrain performance with many concurrent applications.
- Ships diskless, so the total cost increases significantly once drives are purchased.
- USB 2.0 ports still outnumber USB 3.2 ports, limiting high-speed peripheral options.
- The PCIe slot is Gen 2 only, which restricts bandwidth for faster expansion cards.
Frequently Asked Questions
Does the QNAP TS-653D-4G come with hard drives included?
No, the TS-653D-4G is sold diskless. You need to purchase compatible 3.5-inch SATA hard drives or 2.5-inch SSDs separately.
Can I upgrade the RAM beyond the included 4GB?
Yes, the TS-653D-4G supports up to 8GB of DDR4 SO-DIMM memory, so you can replace the included 4GB module with a larger one.
What is the PCIe expansion slot used for?
The PCIe Gen 2 slot can be used to add accessories such as a 10GbE network card, an M.2 SSD adapter for caching, or a Wi-Fi card, depending on your needs.
Can I connect the TS-653D-4G directly to a TV or monitor?
Yes, there is an HDMI output that allows you to connect the NAS directly to a display for multimedia playback or to use QNAP's HD Station interface.
Does it support link aggregation with the two 2.5GbE ports?
Yes, the two 2.5GbE ports can be configured for link aggregation (port trunking) to increase throughput or provide failover redundancy.
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