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Ugreen USB-C to USB-A SATA 2.5" External Enclosure (50743)
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Synology HAT5320 SATA 3.5'' Enterprise Series HDD 4 TB Internal Hard Drive for NAS (HAT5320-4T)
Designed for high-capacity arrays and sustained workloads: CMR recording, 7,200 rpm and up to 281 MB/s. It handles 550 TB a year and carries a persistent write cache against power cuts.
- CMR recording, for consistent write performance
- Designed for 24/7 environments and high-capacity arrays
- Workload of 550 TB per year
- MTBF of 2 million hours
- 7,200 rpm rotation
- Sustained throughput up to 281 MB/s
- SATA 6 Gb/s interface
- Persistent write cache against power cuts
- Multi-client sequential reads up to 35% faster than third-party drives
- More than 500,000 hours of validation
- One-click firmware update through DSM
Ref.: HAT5320-4T
6 269,00 DHincl. VAT
Configuration · Synology Enterprise Series SATA
- Configuration shown: HAT5320 4 TB
- HAT5320 8 TB
- HAT5300 12 TB
- HAT5310 16 TB
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Delivery anywhere in Morocco
free
In stockReceive it between Mon 9 Nov and Wed 11 Nov ·
Casablanca store
Free pickup
Available within 24 hWe bring it there and call you when it arrives
Témara pickup point
Free pickup
Available within 48 hWe bring it there and call you when it arrives
3 years warranty — free repair in Morocco if it breaks down during the warranty period
100% secure payment: Bank transfer · Bank card · Cash on delivery · Certified cheque
Product overview
Powerful, reliable and built for demanding environments, the Synology HAT5320 4 TB is the ideal hard drive for your professional NAS systems. With a SATA 6 Gb/s interface, 7200 rpm speed and 256 MB cache, it delivers fast transfers and smooth responsiveness, even under heavy use. Its CMR technology provides consistent performance and outstanding durability, perfect for continuous storage, backup or virtualisation. Designed for 24/7 use, this Enterprise hard drive maximises the reliability of your NAS while offering 4 TB of capacity for your critical data.
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Technical specifications
| Rotational speed | 7,200 rpm |
|---|---|
| Read speed | Up to 281 MB/s sustained transfer |
| MTBF | 2 million hours |
| Annual workload | 550 TB/year |
| Typical power consumption | 7.29 W read/write |
| Standby power consumption | 3.49 W idle |
| Operating temperature | 5 °C to 60 °C |
| Storage temperature | -40 °C to 70 °C |
| Storage capacity | 4 TB |
| Cache size | 512 MB |
| Interface | SATA 6 Gb/s |
|---|---|
| Storage type | Mechanical hard drive (HDD) |
| Drive form factor | 3.5 inches |
| Recording technology | CMR (conventional magnetic recording) |
| Drive design | Air |
| Sector size | 512e |
| Product type | Hard drive for Synology storage systems |
| Use | NAS & server |
| Warranty | 3 years |
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Frequently asked questions about this product
Can the Synology HAT5320 4 TB drive run around the clock?
Yes, it is designed to run 24 hours a day, 7 days a week, with a rated workload of 550 TB per year. That is the fundamental difference from a desktop drive, which is built for a few hours of activity a day.
What transfer rates can you expect from the Synology HAT5320 4 TB?
Up to 281 MB/s sustained, with a rotational speed of 7,200 rpm. The sustained rate describes what the drive can maintain over time, not a peak measured over a few seconds.
What interface does the Synology HAT5320 4 TB connect to?
SATA 6 Gb/s, in a 3.5-inch form factor — the standard connection for NAS and server drive bays. Its capacity is 4 TB.
What does the MTBF quoted for this drive mean?
The mean time between failures — here 2 million hours. It is not the lifespan of a single drive, but a statistical probability established across a population of drives: it is what an operator uses to size a stock of spares.
Does this drive use CMR or SMR recording?
CMR, recording with non-overlapping tracks. This is decisive in a NAS: an SMR drive, whose tracks overlap, collapses under sustained writes and considerably lengthens the rebuild of a RAID array.
What happens in the event of a power cut?
The drive has a persistent write cache: data waiting to be written is not lost when the power goes. This is what limits data corruption during a sudden outage, even before a UPS kicks in.
Can this drive cope with several simultaneous users?
Its multi-client sequential reads are rated up to 35% faster than those of third-party drives. That is exactly the workload of a shared NAS, where several computers read at the same time.
Has this drive been tested on Synology hardware?
More than 500,000 hours of validation are announced. That is what sets a manufacturer-branded drive apart from a generic one: it has been proven in the very enclosures it is intended for.
How do you update this drive's firmware?
From DSM, in one click, without removing the drive from its bay. It is a real operational gain: with a third-party drive, a firmware update often means taking it out and connecting it to a dedicated computer.
Is the Synology HAT5320 4 TB drive new and under warranty?
New, reference HAT5320-4T, in the 3.5-inch form factor, in original Synology packaging. The invoice serves as the warranty document for 1 year. Keep it: it is the document requested if you make a claim.
