Synology HAT3320-20T internal hard drive 20 TB 7200 RPM 3.5" Serial ATA III
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Overview
- 20 TB 3.5" 7200 RPM Serial ATA III
- NAS HDD
- 6 Gbit/s
- 730 g
Hard drives designed for Synology
See how Synology hard drives deliver reliability, consistent performance, and simplified system management through deep hardware-software integration.
Superior dependability
Using 100% conventional magnetic recording (CMR) technology, Plus Series disk drives ensure consistent write performance throughout their lifespans.
Comprehensive testing
Synology Plus Series drives are subjected to thorough compatibility and stress testing to ensure smooth 24/7 operation under multi-user workloads.
Easy firmware updates
Firmware updates can be performed directly through DSM, ensuring drives benefit from the latest patches while eliminating the need for disk removal.
Tuned for performance
Firmware and operating system–level optimizations enable up to 36% faster sequential reads compared to similar-class third-party drives.
Specifications
Features
| HDD capacity | 20 TB |
|---|---|
| HDD speed | 7200 RPM |
| HDD size | 3.5" |
| Interface | Serial ATA III |
| Type | HDD |
| Component for | NAS |
| HDD interface transfer rate | 6 Gbit/s |
| HDD sustained transfer rate | 295 MiB/s |
| 24/7 operation | Yes |
| Workload rate limit | 180 TB/year |
| Mean time between failures (MTBF) | 1200000 h |
Power
| Power consumption (idle) | 4.35 W |
|---|---|
| Power consumption (write) | 7.62 W |
| Power consumption (read) | 7.62 W |
| Operating voltage | 5 / 12 V |
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Operational conditions
| Operating temperature (T-T) | 5 - 60 °C |
|---|---|
| Storage temperature (T-T) | -40 - 70 °C |
| Operating altitude | -304.8 - 3.048 m |
| Non-operating altitude | -304.8 - 12.192 m |
Packaging content
| Manual | Yes |
|---|
Weight & dimensions
| Weight | 730 g |
|---|
Manuals & downloads
Customer reviews
Delivery & returns
Delivery
- FREE standard delivery on orders over £50, otherwise £4.95 (3–5 working days).
- Express delivery £9.99 (1–3 working days) on selected products, UK mainland.
- PlayStation and Arozzi products use a 5–7 working-day service.
- Orders are processed within 24 hours, Monday to Friday excluding bank holidays. All deliveries must be signed for.
Returns
- Changed your mind? Tell us within 14 days of receiving your item, then return it within a further 14 days, unused and in its original packaging. A minimum £9.99 collection fee applies.
- Faulty or damaged on arrival? Contact us within 48 hours of delivery.
- Custom-built PCs can only be returned if faulty. Opened headphones, earphones and AirPods can't be returned for hygiene reasons.
