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3.5” SAS HDD
HAS5300
Engineered for Demanding
Workloads in Enterprise
Environments
Synology HAS5300 is designed to meet the
capacity, eciency, and reliability needs of
modern enterprise deployments. Built to
handle workloads up to 550 TB per year, it
empowers host systems to serve large pools
of concurrent clients. With a 2.5 million-
hour MTTF and backed by Synology's 5-year
limited warranty, HAS5300 meets the highest
standards of dependability.
Highlights
Enterprise Reliability and Durability
•
For demanding 24/7 environments, rated for 2.5 million
hours MTTF and up to 550 TB per year workloads
Designed for Synology Enterprise Systems
•
Over 200,000 hours of stringent validation tests ensure
maximum dependability on Synology SA and UC series
solutions.
Persistent Write Cache
•
Minimizes the chance of data corruption in the event of
sudden power loss
Faster Array Rebuild
•
Up to 27% faster1 RAID array repair with rmware ne-
tuned and optimized for performance
Automatic Firmware Updates
•
Firmware updates through DSM simplify maintenance
DATASHEET | 3.5" SAS HDD HAS5300
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Shorter RAID Rebuild Times
Company B
Company A
Company C
Synology
27% slower than Synology
18% slower than Synology
35% slower than Synology
27% faster than industry average
Synology HAS5300 considerably reduces the time
needed to repair degraded RAID arrays compared
with similar-class and capacity drives, when used
on Synology systems.
Perfect for Scalable and High-Availability Systems
Synology HAS5300 SAS hard drives are specically developed and tested
to provide tight integration with our most scalable SA and highest service
availability UC lines of storage systems. Enabling your applications to take
full advantage of the bandwidth available, they are the ideal choice for high-
capacity, mission-critical workloads that require 24/7 operation.
Optimized rmware and integration with Synology's DiskStation Manager
(DSM) operating system running on Synology storage solutions result in
up to 27% faster RAID array repair speeds, greatly reducing the time the
system spends in a degraded state.
Maximum Durability and Strong Data Protection
Rated for a 550 TB per year workload at a 2.5 million hours MTTF, HAS5300
drives are a safe and reliable choice for any critical data storage application.
Persistent write cache technology bolsters data integrity protection and
enhances overall write performance.
Over 200,000 hours of validation and stress testing with Synology systems
guarantee interoperability for each HAS5300 drive, ensuring maximum
reliability on Synology solutions under even the heaviest workloads.
Combined with backup and replication solutions running on Synology DSM,
HAS5300 series SAS HDDs provide an additional layer of protection.
Integrated Maintenance
Using Synology drives and host systems simplies IT deployment. HAS5300
drives are backed by Synology’s 5-year limited warranty, providing you with
long-term support for your entire system.
Drive rmware updates bundled with DSM updates reduce required
maintenance while increasing your systems’ service availability.
DATASHEET | 3.5" SAS HDD HAS5300
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Technical Specications
Hardware specications
Model number HAS5300-8T HAS5300-12T HAS5300-16T
2
Capacity
Form factor
3
Interface SAS 12 Gb/s
Sector size 512e
Performance
Rotational speed 7,200 rpm
Interface speed 12.0 Gb/s, 6.0 Gb/s, 3.0 Gb/s, 1.5 Gb/s
Buer size
4
Maximum sustained data transfer speed (Typ.) 230 MiB/s 242 MiB/s 262 MiB/s
Reliability
Mean Time to Failure (MTTF)
Workload rating
Warranty
6
7
5
Power Consumption
Supply voltage 12 V (±10%) / 5 V (+10/-7%)
Active Idle (Typ.) 6.62 W 4.36 W 4.46 W
Random Read/Write 4KB Q1 (Typ.) 9.87 W 7.80 W 8.12 W
Environmental
Temperature
Shock
Vibration
Altitude
Relative humidity
Operating 5°C to 60°C (41°F to 140°F)
Non-operating -40°C to 70°C (-40°F to 158°F)
Operating 686 m/s2 {70 g} (2 ms duration)
Non-operating 2,450 m/s2 {250 g} (2 ms duration)
Operating 7.35 m/s2 {0.75 G} (5 to 300 Hz), 2.45 m/s2 {0.25 G} (300 to 500 Hz)
Non-operating 29.4 m/s2 {3.0 G} (5 to 500 Hz)
Operating -305 m to 3,048 m
Non-operating -305 m to 12,192 m
Operating 5% to 90% R.H. (no condensation)
Non-operating 5% to 95% R.H. (no condensation)
Others
Size (H x W x D) 26.1 mm x 101.85 mm x 147 mm
Weight 770 g 720 g
Certication CE, RCM, BSMI, KC, EAC, UL, TUV, ICES, UKCA, RoHS
8 TB 12 TB 16 TB
3.5"
256 MiB 512 MiB
2,500,000 hours
550 total TB transferred per year
5 years
DATASHEET | 3.5" SAS HDD HAS5300
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Note: Model specications are subject to change without advance notice. Please refer to www.synology.com for the latest information.
1. Performance testing was conducted by Synology using 12x HAS5300-12T drives on an SA3600, congured using RAID 5, against similar class drives (Enterprise)
with IOMeter (64KB blocks). Results are for reference only. Actual performance may vary depending on workload, testing methods, and how devices and
software are congured.
2. Denition of capacity: Hard drives dene a terabyte (TB) as 1,000,000,000,000 bytes. A computer operating system, however, reports storage capacity using
powers of 2 for the denition of 1GB = 230 = 1,073,741,824 bytes and therefore shows less storage capacity. Available storage capacity will vary based on le size,
formatting, settings, software, and operating system. Actual formatted capacity may vary.
3. "3.5-inch" is the form factor of HDDs. It does not indicate the drive's physical size.
4. A mebibyte (MiB) means 220 bytes, or 1,048,576 bytes. MB/s is 106 bytes.
5. Mean Time to Failure (MTTF) is not a guarantee or estimate of product life; it is a statistical value related to mean failure rates for a large number of products
which may not accurately reect actual operation. Actual operating life of the product may be dierent from the MTTF.
6. Workload is dened as the amount of data written, read, or veried by commands from the host system.
7. The warranty period starts from the purchase date as stated on the receipt of purchase. Visit https://www.synology.com/company/legal/warranty for more
information.
8. Product images are for illustrative purposes only. Actual product may appear with dierent labeling or housing, which do not aect the performance
characteristics of the product.
Safety Information
Waste Electrical and Electronic Equipment recycling (WEEE)
The following information is only for EU-member states:
The use of the symbol indicates that this product may not be treated as household waste. By ensuring this product is disposed of
correctly, you will help prevent potential negative consequences for the environment and human health, which could otherwise be
caused by inappropriate waste handling of this product. For more detailed information about recycling this product, please contact
your local city oce, household waste disposal service, or the shop where you purchased the product.
SYNOLOGY INC.
© 2021 Synology Inc. All rights reserved. Synology, the Synology logo are trademarks or registered trademarks of Synology Inc. Other product and company names
mentioned herein may be trademarks of their respective companies. Synology may make changes to specication and product descriptions at anytime, without
notice.
HAS5300-2021-ENU-REV007
DATASHEET | 3.5" SAS HDD HAS5300
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