Optimized Sequential Performance
Testing and optimization across the HAT5300 series delivers up to 35% higher sustained sequential read performance in demanding multi-user environments.
Synology 20TB HAT5320-20TB SATA III 3.5" Internal Enterprise HDD
Model # HAT5320-20T
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SKU: HAT5320-20T
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$1,839.00
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Enterprise Series 3.5-inch SATA HDD
Synology HAT5320-20T
A high-performance and reliable Enterprise Series hard drive designed for Synology systems, with deep integration between Synology hardware and DiskStation Manager for consistent operation, simplified maintenance, and demanding 24/7 storage environments.
What is the Synology HAT5320-20T?
The HAT5320-20T is part of Synology's Enterprise Series 3.5-inch SATA HDD family. HAT5300 series drives are purpose-built for Synology systems and are validated through extensive testing with Synology hardware and software.
500K+ Hours of cumulative in-house validation testing
550 TB/year Supported annual workload for HAT5300 series drives
Up to 2.5M Hours MTBF rating for HAT5300 series HDDs
5 Years Synology limited warranty
Enterprise Storage Designed for Synology Systems
Hardware and software integration helps deliver consistent operation and simplified drive management.
Synology HAT5300 series hard drives are designed specifically for Synology systems. Tight integration with Synology hardware and DiskStation Manager enables optimized drive operation, firmware management, and storage maintenance from within the Synology environment.
The series is built for Synology servers operating continuously in demanding storage environments.
Consistent Performance Scaling
Drive and system optimizations are designed to support demanding multi-user environments.
Synology NAS Optimization
Supplied product information also states up to 23% faster sequential read performance in Synology NAS environments.
Accelerated RAID Recovery
Synology states that its hard drives can deliver up to 13% quicker drive repair speeds within RAID arrays compared with similar-class drives from other brands.
Rigorous Validation for Enterprise Environments
Extensive testing helps validate operation across supported Synology systems.
Synology Enterprise Series SATA drives undergo more than 1,000 stress test cycles and over 500,000 hours of cumulative testing with Synology devices. This validation process is designed to ensure reliable operation in demanding enterprise environments.
Durability for 24/7 Environments
HAT5300 series HDDs are designed for continuous workloads in Synology storage systems.
Up to 2.5 Million Hours MTBF
HAT5300 series drives have an MTBF rating of up to 2.5 million hours.
550 TB Annual Workload
The series supports workloads of up to 550 TB per year for demanding storage deployments.
Persistent Write Cache
Persistent write cache technology helps minimize the risk of data corruption if unexpected power loss occurs.
Simplified Firmware Maintenance Through DSM
Manage supported drive firmware directly from the Synology management environment.
Automatic drive firmware update notifications and one-click firmware installation through DiskStation Manager help reduce maintenance workload and the risk of firmware updates being overlooked.
Compatible Synology Systems
The supplied compatibility information lists the following models for HAT5320-20T.
SA Series
SA6400, SA3610, SA3600, SA3410, SA3400
DP Series
DP7400
26 Series
RS6426xs+, RS4826xs+, RS3626xs, RS1626xs+, RS1226RP+, RS1226+
25 Series
RS2825RP+, DS1825+, DS1525+, DS925+, DS725+, DS425+, DS225+
24 Series
DS224+, DS124
23 Series
RS2423RP+II, RS2423RP+, RS2423+, DS1823xs+, DS923+, DS723+, DS423+, DS423, DS223, DS223j
22 Series
RS822RP+, RS822+, RS422+, DS3622xs+, DS2422+, DS1522+, DVA1622
21 Series
RS4021xs+, RS3621xs+, RS3621RPxs, RS2821RP+, RS2421RP+, RS2421+, RS1221RP+, RS1221+, DS1821+, DS1621xs+, DS1621+, DVA3221
20 Series
RS820RP+, RS820+, DS1520+, DS920+, DS720+, DS420+, DS220+
19 Series
RS1619xs+, DS2419+II, DS2419+, DS1819+, DVA3219
18 Series
RS3618xs, RS2818RP+, RS2418RP+, RS2418+, DS3018xs, DS1618+
17 Series
RS18017xs+, RS4017xs+, RS3617xs+, RS3617RPxs, DS3617xsII, DS3617xs
Installation Requirements
Check system software versions before installing the drive.
- For systems using APM, upgrade APM to version 1.0-71433 or later before installing this drive.
- For systems using DSM, upgrade DSM to version 7.3.2-86009 or later before installing this drive.
5-Year Limited Warranty
Enterprise Series drives are backed by Synology product support.
HAT5300 series drives are backed by a five-year limited warranty that includes technical support and hardware replacement services. The warranty period begins from the purchase date stated on the purchase receipt.
Frequently Asked Questions
Key information about the Synology HAT5320-20T Enterprise Series hard drive.
What type of drive is the Synology HAT5320-20T?
It is a Synology Enterprise Series 3.5-inch SATA hard drive designed for use with compatible Synology systems.
Is the HAT5320-20T designed for continuous operation?
Yes. The HAT5300 series is purpose-built for Synology servers operating in 24/7 environments.
How extensively are Synology Enterprise Series drives tested?
Synology states that its Enterprise Series SATA drives undergo more than 1,000 stress test cycles and over 500,000 hours of cumulative testing with Synology devices.
What workload does the HAT5300 series support?
The supplied information specifies workload support of up to 550 TB per year.
Can drive firmware be updated through Synology DSM?
Yes. DSM provides automatic firmware update notifications and one-click installation for supported Synology drives.
What software version is required before installing the HAT5320-20T?
The supplied compatibility notes require DSM 7.3.2-86009 or later on applicable DSM systems and APM 1.0-71433 or later on applicable APM systems.
What warranty does the HAT5320-20T have?
HAT5300 series drives are backed by a five-year limited warranty. The warranty period starts from the purchase date shown on the purchase receipt.
Compatibility requirement: Install the required DSM or APM software version before fitting this drive to an applicable Synology system.
(HAT5320-20T)
Synology HAT5320-20T Specifications
Product, reliability, management, compatibility, and installation information supported specifically by the supplied HAT5320-20T content.
| Specification | Details |
|---|---|
| Product Details | |
| Model | HAT5320-20T |
| Series | Synology Enterprise Series / HAT5300 Series |
| Drive Type | Enterprise hard disk drive |
| Form Factor | 3.5-inch |
| Drive Interface | SATA |
| Operating Design | Purpose-built for Synology servers running 24/7 |
| Reliability and Validation | |
| Validation Testing | More than 500,000 hours of cumulative in-house testing with Synology devices |
| Stress Testing | More than 1,000 stress test cycles |
| MTBF | Up to 2.5 million hours for HAT5300 series HDDs |
| Workload Support | Up to 550 TB per year |
| Power-Loss Protection | Persistent write cache technology helps minimize data corruption in the event of sudden power loss |
| Performance and Optimization | |
| Series Maximum Sustained Transfer | Up to 309 MB/s This is supplied as an HAT5300-series maximum and is not stated as the model-specific transfer speed for HAT5320-20T. |
| Synology NAS Sequential Read Optimization | Up to 23% faster sequential read |
| Sustained Sequential Read Optimization | Up to 35% higher sustained sequential read performance in demanding multi-user environments |
| RAID Repair Performance | Up to 13% quicker drive repair speeds compared with similar-class drives from other brands |
| Drive Management | |
| Firmware Updates | Automatic firmware update notifications and one-click installation through DSM |
| Software Requirements | |
| DSM Requirement | DSM 7.3.2-86009 or later before installation, where applicable |
| APM Requirement | APM 1.0-71433 or later before installation, where applicable |
| Compatible Models | |
| SA Series | SA6400, SA3610, SA3600, SA3410, SA3400 |
| DP Series | DP7400 |
| 26 Series | RS6426xs+, RS4826xs+, RS3626xs, RS1626xs+, RS1226RP+, RS1226+ |
| 25 Series | RS2825RP+, DS1825+, DS1525+, DS925+, DS725+, DS425+, DS225+ |
| 24 Series | DS224+, DS124 |
| 23 Series | RS2423RP+II, RS2423RP+, RS2423+, DS1823xs+, DS923+, DS723+, DS423+, DS423, DS223, DS223j |
| 22 Series | RS822RP+, RS822+, RS422+, DS3622xs+, DS2422+, DS1522+, DVA1622 |
| 21 Series | RS4021xs+, RS3621xs+, RS3621RPxs, RS2821RP+, RS2421RP+, RS2421+, RS1221RP+, RS1221+, DS1821+, DS1621xs+, DS1621+, DVA3221 |
| 20 Series | RS820RP+, RS820+, DS1520+, DS920+, DS720+, DS420+, DS220+ |
| 19 Series | RS1619xs+, DS2419+II, DS2419+, DS1819+, DVA3219 |
| 18 Series | RS3618xs, RS2818RP+, RS2418RP+, RS2418+, DS3018xs, DS1618+ |
| 17 Series | RS18017xs+, RS4017xs+, RS3617xs+, RS3617RPxs, DS3617xsII, DS3617xs |
| Warranty | |
| Limited Warranty | 5 years The warranty period starts from the purchase date stated on the purchase receipt. |
| SKU | HAT5320-20T |
| Brand | SYNOLOGY |
| Shipping Weight | 0.8000kg |
| Shipping Width | 0.030m |
| Shipping Height | 0.120m |
| Shipping Length | 0.200m |
| Shipping Cubic | 0.000720000m3 |
Manufacturer Warranty : 5 years Manufacturer Warranty
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