In this review, we are going to take a close look at the 4TB Synology Plus (HAT3300-4T) hard disk drive, and find out how well it performs!
Updated @ 2023-11-09 : Updated with operating temperature results, and minor changes.
Originally posted @ 2023-10-05
Synology Plus Series (HAT3300) NAS Drives
The Synology Plus Series (HAT3300) hard disk drives are designed to populate their Network-Attach Storage (NAS) systems for homes and small businesses.
These Synology Plus Series drives are designed for light-to-intermediate use. Based on the Conventional Magnetic Recording (CMR) technology, they are similar to the WD Red and Seagate Iron Wolf range of NAS drives, with a 1 million hour MTBF and 180 TB per year workload rating.
The main advantage of these drives is that their firmware can be automatically updated using the DiskStation Manager (DSM) in Synology NAS systems.
4TB Synology Plus (HAT3300-4T) Price
The 4TB Synology Plus (HAT3300-4T) hard disk drive commands a slight premium over comparable drives like the 4TB WD Red (Price Check) and the 4TB Seagate IronWolf (Price Check).
Retailing at about $90 as of 3 October 2023, it works out to a cost of $22.50 per TB. Here are some online purchase options:
The 4TB Synology Plus (HAT3300-4T) drive also comes bundled with certain Synology NAS systems.
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4TB Synology Plus (HAT3300-4T) Specifications
The Synology Plus series offers storage capacities of 4TB, 6TB, 8TB and 12TB. With the exception of the 12TB model, all drives in this family are air-filled, and have a 5,400 RPM spindle speed.
The baby of this family, which we are reviewing today, is the 4TB Synology Plus drive, which has a model number of HAT3300-4T. Here are its key specifications:
Specifications | 4 TB Synology Plus |
Model | HAT3300-4T |
Capacity | 4 Terabytes |
Form Factor | 3.5-inch |
Drive Design | Air |
Recording Technology | Conventional Magnetic Recording (CMR) |
Interface | SATA 6 Gb/s |
Cache | 256 MB |
Rotational Speed | 5,400 RPM |
Max. Data Transfer Speed | 202 MB/s |
Mean Time Between Failure (MTBF) | 1,000,000 hours |
Workload Rating | 180 TB / year |
Power Consumption | Idle : 3.96 W Random Read : 4.85 W Random Write : 4.85 W |
Operating Temperature | 0°C to 65°C 32°F to 149°F |
Non-Operating Temperature | -40°C to 70°C -40°F to 158°F |
Operating Shock | 80 Gs (2 ms duration) |
Non-Operating Shock | 300 Gs (2 ms duration) |
Operating Vibration | 10 Hz to 22 Hz: 0.25 Gs, Limited displacement 22 Hz to 350 Hz: 0.50 Gs 350 Hz to 500 Hz: 0.25 Gs |
Non-Operating Vibration | 5 Hz to 22 Hz: 3.0 Gs 22 Hz to 350 Hz: 3.0 Gs 350 Hz to 500 Hz: 3.0 Gs |
Acoustics | Idle : 23 dBA Seek : 27 dBA |
Size | 20.20 mm high 101.85 mm wide 147 mm long |
Weight | 490 g |
Warranty | 3 Years |
4TB Synology Plus HDD Unboxing + Hands-On
The 4TB Synology Plus (HAT3300-4T) hard disk drive comes in a large cardboard box, with a window to let you peek inside.
On opening the box, you will see that the drive is well-protected. It’s sealed in an anti-static bag, placed within a plastic enclosure, and further protected from shock and vibration by two large foam inserts.
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Next Page > 4TB Synology Plus Features + Temperature
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4TB Synology Plus HDD Key Features!
The 4TB Synology Plus (HAT3300-4T) hard disk drive is designed for the light-to-intermediate usage requirements of personal and SMB (small and medium business) NAS systems. Here are its key features:
Manufactured By Seagate
Synology does not make this hard disk drive, which was manufactured by Seagate. Think of this as a Seagate IronWolf hard disk drive that was customised to Synology’s requirements, and with custom firmware for Synology.
Under The PCB
In the following video, we took a look under its PCB, and here was what we found:
The 4TB Synology Plus (HAT3300-4T) comes with a large 256 MB SDRAM cache, courtesy of a Samsung K4B2G1646F memory chip. This is a DDR3-1866 SDRAM chip with 16 memory banks, and a peak transfer rate of about 466 MB/s.
It also uses a Seagate Dillon motor drive controller, which features ST Microelectronics’ proprietary Smooth Drive pseudo-sinusoidal digital drive technology. The drive controller itself has a thermal pad to help keep cool, by transferring heat to the drive chassis.
Finally, this NAS drive has two sensors on its PCB, which allow it to better detect shock and vibration events, and dynamically adjust the flying height of the read/write heads to avoid head crashes.
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Always-On Operation
The 4TB Synology Plus is backed by a million hour MTBF (Mean Time Before Failure) rating, and is rated for a workload of 180 TB per year.
That works out to 15 terabytes per month, and is about par for the course for consumer-grade NAS drives.
Easy Firmware Updates
Unlike third-party NAS drives from Western Digital or Seagate, you can easily update the firmware of the 4TB Synology Plus hard disk drive using DiskStation Manager (DSM) in Synology NAS systems.
This is a convenient feature for those who use Synology NAS systems – you won’t need to remove the drive, or use a separate computer, to update its firmware.
Low Power Consumption
Power consumption is pretty low, at just under 5 watts. Even if you run this drive 24/7, it will only consume 42.5 kW per year.
Real world usage will be significantly lower, since NAS systems are designed to power down drives during periods of inactivity.
4TB Synology Plus Operating Temperature
We monitored the surface temperature of the three hard disk drives while idle, and during their benchmarks. The following chart shows their operating temperature range, from idle to maximum load.
Please note that instead of giving you the absolute numbers, we are showing the temperature delta, which is the difference between the actual temperature and the ambient room temperature.
The 4TB Synology Plus (HAT3300-4T) appears to run slightly hotter than the 4TB WD Red, but significantly cooler than the 6TB WD Red. This is good news, because it can get really hot inside the NAS enclosure!
Next Page > CrystalDiskMark Performance Results
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4TB Synology Plus CrystalDiskMark Performance Results
Let’s take a look at the 4TB Synology Plus hard disk drive’s sequential read and write performance, compared to the 4TB WD Red, and the 6TB WD Red drives.
Sequential Read Performance
With a queue depth of 1, the 4TB Synology Plus (HAT3300-4T) delivered a maximum sequential read speed of 215 MB/s.
This is about 6% over its rated transfer rate of 202 MB/s, and puts it 20% ahead of the 6TB WD Red drive, and 39% ahead of the 4TB WD Red.
When queue depth increased to 8, the 4TB Synology Plus (HAT3300-4T) delivered a maximum sequential read speed of just under 217 MB/s.
This is about 7% over its rated transfer rate of 202 MB/s, and puts it 20% ahead of the 6TB WD Red drive, and 38% ahead of the 4TB WD Red.
Sequential Write Performance
With a queue depth of 1, the 4TB Synology Plus (HAT3300-4T) delivered a maximum sequential write speed of 214 MB/s.
This is about 6% over its rated transfer rate of 202 MB/s, and puts it 29% ahead of the 6TB WD Red drive, and 42% ahead of the 4TB WD Red.
When queue depth increased to 8, the 4TB Synology Plus (HAT3300-4T) delivered a maximum sequential write speed of just over 214 MB/s.
This is about 6% over its rated transfer rate of 202 MB/s, and puts it 24% ahead of the 6TB WD Red drive, and 42% ahead of the 4TB WD Red.
Now, let’s take a look at the 4TB Synology Plus hard disk drive’s random read and write performance, compared to the 4TB WD Red, and the 6TB WD Red drives.
Random Read Performance
With a queue depth of 1, the 4TB Synology Plus (HAT3300-4T) delivered a maximum random read speed of 670 KB/s.
That puts it 6% ahead of the 6TB WD Red drive, and 15.5% ahead of the 4TB WD Red.
When queue depth increased to 32, the 4TB Synology Plus (HAT3300-4T) delivered a maximum random read speed of 2.08 MB/s.
That puts it on par with the 6TB WD Red drive, and just 4% ahead of the 4TB WD Red.
Random Write Performance
With a queue depth of 1, the 4TB Synology Plus (HAT3300-4T) delivered a maximum random write speed of 1.85 MB/s.
That puts it 23% behind the 6TB WD Red drive, but 44.5% ahead of the 4TB WD Red.
When queue depth increased to 32, the 4TB Synology Plus (HAT3300-4T) delivered a maximum random write speed of just over 1.8 MB/s.
That puts it 24% behind the 6TB WD Red drive, but 43% ahead of the 4TB WD Red.
Next Page > ATTO Results, Conclusion, Where To Buy
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4TB Synology Plus ATTO Benchmark Performance Results
Let’s take a look at the 4TB Synology Plus hard disk drive’s peak read and write speeds, compared to the 4TB WD Red, and the 6TB WD Red drives.
Peak Read Performance
The ATTO Benchmark shows that the 4TB Synology Plus drive delivered a peak read speed of just under 205 MB/s, putting it 12% ahead of the 6TB WD Red, and 36% ahead of the 4TB WD Red.
Peak Write Performance
The ATTO Benchmark shows that the 4TB Synology Plus drive delivered a peak write speed of just over 205 MB/s, putting it 25% ahead of the 6TB WD Red, and 48% ahead of the 4TB WD Red.
Peak Read IOPS
The ATTO Benchmark shows that the 4TB Synology Plus drive delivered a peak read IOPS of just under 64.75K, putting it 50% ahead of the 6TB WD Red, and 65% ahead of the 4TB WD Red.
Peak Write IOPS
The ATTO Benchmark shows that the 4TB Synology Plus drive delivered a peak write IOPS of just over 61.25K, putting it 46% ahead of the 6TB WD Red, and an incredible 81% ahead of the 4TB WD Red.
4 TB Synology Plus Review Conclusion
The 4TB Synology Plus (HAT3300-4T) is, without doubt, a fast NAS hard disk drive. Our benchmark results show that it consistently outperforms the 4TB and 6TB Western Digital Red drives.
It may be sold at a slight price premium, but its better performance and the ability to conveniently upgrade its firmware (rare as that may be) directly using the DiskStation Manager (DSM) makes it a no-brainer choice for Synology NAS users.
If you are planning to use a Synology NAS system for your home or SMB use, you would be well-served to purchase the Synology Plus drive to populate it. We definitely think it deserves our Reviewer’s Choice Award!
4 TB Synology Plus : Where To Buy?
The 4TB Synology Plus (HAT3300-4T) hard disk drive retails at about $89.90 as of 3 October 2023, it works out to a cost of $22.50 per TB. Here are some online purchase options:
The 4TB Synology Plus (HAT3300-4T) drive also comes bundled with certain Synology NAS systems.
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Dr. Adrian Wong has been writing about tech and science since 1997, even publishing a book with Prentice Hall called Breaking Through The BIOS Barrier (ISBN 978-0131455368) while in medical school.
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