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QNAP TS-453D NAS Review

The QNAP TS-453D is a 4-bay NAS that is designed to take advantage of faster speeds from 2.5GbE connections and extend those benefits to the devices connected to it. QNAP has made several changes recently to push the networking speeds form 1GbE to 2.5GbE connections through NAS, switches, and AICs. The TS-453D is yet another device that will help users past the networking bottleneck to faster connectivity speeds.

The QNAP TS-453D is a 4-bay NAS that is designed to take advantage of faster speeds from 2.5GbE connections and extend those benefits to the devices connected to it. QNAP has made several changes recently to push the networking speeds form 1GbE to 2.5GbE connections through NAS, switches, and AICs. The TS-453D is yet another device that will help users past the networking bottleneck to faster connectivity speeds.

Looking first at networking, the QNAP TS-453D comes with two onboard 2.5GbE RJ45 LAN ports. Users can take their existing CAT5e cables and upgrade network connections from 1GbE to 2.5GbE. If 2.5GbE isn’t enough, through port trunking users can bump that up to 5GbE. To help hit those speeds, the NAS leverages an Intel Celeron J4125 quad-core 2.0 GHz processor. On top of that, the NAS can have up to 8GB of DDR4 memory for even faster performance.

QNAP includes a PCIe expansion slot that can be used to add something like a 10GbE card for those looking to use the NAS for virtualization, fast backup and restores, and huge data transmissions. Faster connectivity lends itself well to Hybrid Backup Sync (HBS) to transfer data to local, remote or cloud storage spaces while using the company’s QuDedup, data reduction.

For storage the TS-453D has 4 3.5″ SATA bays. The NAS has an SSD caching capability, but to leverage it without giving up drive bays, users would need to utilize a PCIe adapter card for M.2 drives in the single PCIe slot. However, adding in SSDs can add several benefits such as flash volumes,  SSD cache acceleration, and Qtier auto-tiering for overall better performance. If the four bays aren’t enough, one can add more storage through a USB 3.2 Gen 2 port to provide fast JBOD expansions.

The QNAP TS-453D comes in two flavors, 8G (reviewed here) and 4G. The main difference is the amount of RAM it comes with, in this case 8GB. Along with the TS-453D 4-bay model, there is the 2-bay TS-253D, and the 6-bay TS653D model.  The QNAP TS-453D NAS can be picked up today for $586.

QNAP TS-453D NAS Specifications

Model TS-453D-8G
CPU Intel Celeron J4125 quad-core 2.0 GHz processor (burst up to 2.7 GHz)
CPU Architecture 64-bit x86
Graphic Processors Intel HD Graphics 600
Floating Point Unit Yes
Encryption Engine (AES-NI)
Hardware-accelerated Transcoding Yes
System Memory 8 GB SO-DIMM DDR4 (2 x 4 GB)
Maximum Memory 8 GB (2 x 4 GB)
Memory Slot 2 x SO-DIMM DDR4
Flash Memory 4GB (Dual boot OS protection)
Drive Bay 4 x 3.5-inch SATA 6Gb/s, 3Gb/s
Drive Compatibility 3.5-inch SATA hard disk drives
2.5-inch SATA hard disk drives
2.5-inch SATA solid state drives
Hot-swappable Yes
M.2 SSD Slot Optional via a PCIe adapter
SSD Cache Acceleration Support Yes
2.5 Gigabit Ethernet Port (2.5G/1G/100M) 2
5 Gigabit Ethernet Port (5G/2.5G/1G/100M) Optional via PCIe expansion card
10 Gigabit Ethernet Port Optional via PCIe expansion card
Optional via PCIe expansion card
Jumbo Frame Yes
PCIe Slot 1
Slot 1: PCIe Gen 2 x2
USB 2.0 port 3
USB 3.2 Gen 1 port 2
USB 3.2 Gen 2 (10Gbps) Port Optional via a PCIe adapter
IR Sensor (Optional QNAP RM-IR004 remote control)
HDMI Output 1, HDMI 2.0 (up to 4096 x 2160 @ 60Hz)
Form Factor Tower
LED Indicators Power/Status, LAN, USB, HDD1-4
Buttons Power, USB copy, Reset
Dimensions (HxWxD) 6.61 × 6.69 × 8.9 inch
Weight (Net) 4.98 lbs
Weight (Gross) 7.94 lbs
Operating temperature 0 – 40 °C (32°F – 104°F)
Relative Humidity 5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F)
Power Supply Unit 90W adapter, 100-240V
Power Consumption: HDD Sleep Mode 11.3 W
Power Consumption: Operating Mode, Typical 25.98 W
Fan 1 x 120mm, 12VDC
Sound Level 21.1 db(A)
System Warning Buzzer
Kensington Security Slot Yes
Max. Number of Concurrent Connections (CIFS) 800

QNAP TS-453D Design and Build

The QNAP TS-453D is a compact, tower form factor NAS. It is small enough to sit on a desk without being too intrusive. The front of the device has a shiny plastic cover with company branding that covers the drives bays. The cover slides off easily to access the toolless, hot-swap drives underneath. Along the right side is the power button at the top, the indicator LEDs running down the side, a USB 3.0 port and a USB copy button.

The rear of the device is mainly taken up by the fan. On the left side are the Kensington Security Slot, HDMI port, USB 3.2 Gen 2 port, three USB 2.0 ports, two 2.5 Gigabit Ethernet Ports, and the power connection. Right near the top is where the PCIe expansion slot is for adding cards.

QNAP TS-453D Performance

Review Configuration

For our testing, we configured the QNAP TS-453D in RAID6 using four WD Red 14TB HDDs in both CIFS and iSCSI configurations. For networking, we leveraged the EnGenius Cloud ECS2512FP Multi-Gigabit Switch.

Enterprise Synthetic Workload Analysis

Our enterprise shared storage and hard drive benchmark process preconditions each drive into steady-state with the same workload the device will be tested with under a heavy load of 16 threads with an outstanding queue of 16 per thread, and then tested in set intervals in multiple thread/queue depth profiles to show performance under light and heavy usage. Since NAS solutions reach their rated performance level very quickly, we only graph out the main sections of each test.

Preconditioning and Primary Steady-State Tests:

  • Throughput (Read+Write IOPS Aggregate)
  • Average Latency (Read+Write Latency Averaged Together)
  • Max Latency (Peak Read or Write Latency)
  • Latency Standard Deviation (Read+Write Standard Deviation Averaged Together)

Our Enterprise Synthetic Workload Analysis includes four profiles based on real-world tasks. These profiles have been developed to make it easier to compare to our past benchmarks as well as widely-published values such as max 4k read and write speed and 8k 70/30, which is commonly used for enterprise drives.

  • 4K
    • 100% Read or 100% Write
    • 100% 4K
  • 8K 70/30
    • 70% Read, 30% Write
    • 100% 8K
  • 8K (Sequential)
    • 100% Read or 100% Write
    • 100% 8K
  • 128K (Sequential)
    • 100% Read or 100% Write
    • 100% 128K

First up are the enterprise workloads, where we measured a long sample of random 4K performance with 100% write and 100% read activity. For IOPS, the NAS gave us CIFS scores of 292 IOPS read and 669 IOPS write. iSCSI hit 2,553 IOPS read and 444 IOPS write.

For 4K average latency, CIFS saw 874ms read and 382ms write while iSCSI hit 100ms read and 576ms write.

Max latency with 4K had CIFS scores of 3,182ms read and 4,024ms write and iSCSI of 6,113ms read and 10,535ms write.

Our last 4K test was standard deviation that gave us 735ms read and 458ms write in CIFS and 116ms read and 1,149ms write in iSCSI.

Our next benchmark measures 100% 8K sequential throughput with a 16T16Q load in 100% read and 100% write operations which showed near identical performance across the board. Here, the QNAP TS-453D NAS was able to hit 29,180 IOPS read and 22,775 IOPS write in CIFS as well as 71,666 IOPS read and 34,243 IOPS write in iSCSI.

Compared to the fixed 16 thread, 16 queue max workload we performed in the 100% 4K write test, our mixed workload profiles scale the performance across a wide range of thread/queue combinations. In these tests, we span workload intensity from 2 thread/2 queue up to 16 thread/16 queues. In throughput, the QNAP was fairly flat in CIFS starting at 178 IOPS and ending at 174 IOPS. There was a big improvement from beginning to end in iSCSI with a start of 372 IOPS and an end at 1,325 IOPS.

For 8K 70/30 average latency, the CIFS config started at 22.4ms and spiked up to 1,463ms at the end. The iSCSI started at 10.7ms and finished at a much milder 193ms.

With 8K 70/30 max latency the CIFS went from 387ms to 3,448ms and iSCSI went from 277ms to 6,235ms.

8K 70/30 standard deviation saw latency go from 35ms to 307ms in CIFS and 19.3ms to 281ms in iSCSI.

The last synthetic benchmark is our 128K test, which is a large-block sequential test that shows the highest sequential transfer speed for a device. In this workload scenario, the CIFS config saw speeds of 579MB/s read and 557MB/s write while iSCSI saw speeds of 579MB/s read and 524MB/s write.

Conclusion

The QNAP TS-453D is a small tower NAS that is all about faster network connectivity. The NAS comes with two 2.5GbE LAN ports onboard with the ability to port trunk up to 5GbE or add a 5GbE or 10GbE port through the PCIe expansion slot. The NAS leverages an Intel Celeron J4125 quad-core 2.0 GHz processor and up to 8GB of DDR4 RAM. There are four, 3.5” storage bays running the capacity up to 72TB as well as a USB 3.2 Gen 2 port to expand to even more capacity. For caching, users can leverage two of the bays with SSDs or utilize the PCIe slot for M.2 flash storage.

For testing, we just did HDDs (WD Red 14TB) in RAID6, no SSD caching. The faster connectivity saw boosts in certain tests but not others. For CIFS configuration we saw 4K throughput of 292 IOPS read and 669 IOPS write, 4K average latency of 874ms read and 382ms write, 4K max latency of 3,182ms read and 4,024ms write, 8K sequential of 29,180 IOPS read and 22,775 IOPS write, and the biggest boost in performance was seen in the 128K large block with 579MB/s read and 557MB/s write in CIFS.

In iSCSI configurations we saw 4K throughput of 2,553 IOPS read and 444 IOPS write, 4K average latency of 100ms read and 576ms write, 4K max latency of 6,113ms read and 10,535ms write, 8K sequential of 71,666 IOPS read and 34,243 IOPS write, and, again, the biggest boost in performance was seen in the 128K large block with 579MB/s read and 524MB/s write.

2.5GbE connectivity can definitely add benefits to a NAS, particularly as we saw in 128K large block transfer. The QNAP TS-453D can remove the network bottleneck in NAS usage while providing ample features for most small to medium office users.

QNAP TS-453D on Amazon

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Adam Armstrong

Adam is the chief news editor for StorageReview.com, managing our internal and freelance content teams.

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