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QNAP TS-453BU Specs, Pros and Cons

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The quick verdict

  • Strengthswarranty 3 yr (top 7%), LAN ports 4 (top 18%)
  • Weaknessesbase RAM 2 GB (bottom 14%), max LAN speed 1 Gbps (bottom 22%)
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Rankings and scores come from the specs alone and are not affected by affiliate commissions.

Spec ruler

Chart placing the QNAP TS-453BU on a 0 to 100 ruler for each spec within the category
Longer bars mean a better value within the category (top %). The numbers are the actual specs.

In short

Bottom line. The QNAP TS-453BU lists 4 drive bays, 4 CPU cores, boost clock 2.3 GHz, and base RAM 2 GB in its official specs. Against 219 QNAP models, its strengths are 4 CPU cores (top 22%), 4 LAN ports (top 18%), and operating power 33.7 W (top 25%), and its weak spots are base RAM 2 GB (bottom 14%), max RAM 8 GB (bottom 25%), and max LAN speed 1 Gbps (bottom 22%).

This page lays out the QNAP TS-453BU from the 14 specs published on QNAP's official hardware specification pages. Drive bays: 4 bays (bottom 35% of 219). The TS-453BU has 4 CPU cores (top 22% of 204). Boost clock comes in at 2.3 GHz (bottom 44% of 201). Base RAM: 2 GB (bottom 14% of 219). The TS-453BU's max RAM is 8 GB (bottom 25% of 219). Max LAN speed comes in at 1 Gbps (bottom 22% of 219). LAN ports: 4 ports (top 18% of 219). The TS-453BU has 0 M.2 slots (bottom 46% of 136). PCIe slots comes in at 1 slot (top 49% of 146). USB ports: 4 ports (top 35% of 219). The TS-453BU's weight is 7.46 kg (top 44% of 212). Volume comes in at 9.64 L (top 35% of 217).

Key points

CPU coresStrength

  • 4 cores
  • top 22% of 204 QNAP models

4 cores for backups and transcodes at once

LAN portsStrength

  • 4 ports
  • top 18% of 219 QNAP models

4 ports for link bonding or separate networks

Operating powerStrength

  • 33.7 W
  • top 25% of 208 QNAP models

about 295.4 kWh a year if left on 24/7

Key specs at a glance

Key specs at a glance
SpecTS-453BU
Warranty3 yrtop 7%
LAN ports4top 18%
CPU cores4top 22%
Operating power33.7 Wtop 25%
USB ports4top 35%
Volume9.64 Ltop 35%
Show every spec
Full specifications
SpecTS-453BU
Drive bays4bottom 35%
CPU cores4top 22%
Boost clock2.3 GHzbottom 44%
Base RAM2 GBbottom 14%
Max RAM8 GBbottom 25%
Max LAN speed1 Gbpsbottom 22%
LAN ports4top 18%
M.2 slots0bottom 46%
PCIe slots1top 49%
USB ports4top 35%
Weight7.46 kgtop 44%
Volume9.64 Ltop 35%
Operating power33.7 Wtop 25%
Warranty3 yrtop 7%
Derived metrics
Metric (0–100)TS-453BU
Performance percentile17.2
Lightness percentile55.9
Compactness percentile64.6
Home media server fit47
Small office fit40
10GbE video editing fit23
Low-power compact 24/7 fit14

The details

Weak spots (bottom 25%)

  • Base RAM 2 GB: bottom 14%
  • Max RAM 8 GB: bottom 25%
  • Max LAN speed 1 Gbps: bottom 22%

Performance and memory

  • Boost clock: 2.3 GHz (bottom 44%)

Storage and connections

  • Drive bays: 4 bays (bottom 35%)
  • M.2 slots: 0 slots (bottom 46%)

Storage and connections

  • PCIe slots: 1 slot (top 49%)
  • USB ports: 4 ports (top 35%)

Size, power and warranty

  • Weight: 7.46 kg (top 44%)
  • Volume: 9.64 L (top 35%)
  • Warranty: 3 years (top 7%)

TS-453BU vs the similar TS-453BU-RP11 match

  • Base RAM: 2 GB vs 4 GB
  • Weight: 7.46 kg vs 9.27 kg
  • Operating power: 33.7 W vs 47.6 W

TS-453BU vs the similar TS-453DU7 match, 4 more differ

  • Boost clock: 2.3 GHz vs 2.7 GHz
  • Base RAM: 2 GB vs 4 GB
  • Max LAN speed: 1 Gbps vs 2.5 Gbps

TS-453BU vs the similar TS-453BE8 match, 3 more differ

  • LAN ports: 4 ports vs 2 ports
  • USB ports: 4 ports vs 5 ports
  • Weight: 7.46 kg vs 2.37 kg

Combined metrics

  • Expansion slots in total (M.2 plus PCIe): 1
  • Total built-in LAN bandwidth (sum of port speeds): 4 Gbps
  • Operating power per bay: 8.43 W

Combined metrics

  • Weight per bay: 1.87 kg
  • Memory headroom (max minus base): 6 GB

Use-case scores

  • Home media server: 47
  • Small-office file server: 40

Use-case scores

  • 10GbE video editing: 23
  • Low-power compact 24/7 use: 14

Use-case scores are Specotomy's own index, computed by fixed rules from official manufacturer specs; they are not manufacturer scores.

FAQ

What is the max LAN speed of the QNAP TS-453BU?
1 Gbps.
What is the max RAM of the QNAP TS-453BU?
8 GB.
How many drive bays does the QNAP TS-453BU have?
4.
What is the operating power of the QNAP TS-453BU?
33.7 W.
How many M.2 slots does the QNAP TS-453BU have?
0.