Synology

Synology HAS5310 Enterprise Series 12TB 3.5" SAS III Internal Hard Drive

Name: Synology HAS5310 Enterprise Series 12TB 3.5" SAS III Internal Hard Drive | SAS III interface with 7200 RPM and 550TB workload for SA systems, HD
Brand: Synology
SKU: B0CC2327GF

Status: Synology HAS5310 Enterprise Series 12TB 3.5" SAS…: Unavailable on Amazon as of 2026-10-19 10:25 UTC. SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

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Bottom line: The Synology HAS5310 Enterprise Series 12TB 3.5" SAS III Internal Hard is a specs-and-price decision rather than a crowd-consensus one in the nas & home servers category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

Unavailable on Amazon as of 2026-10-19 10:25 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:

Similar: Seagate IronWolf 10TB NAS Internal Hard Drive — $444.99 on Amazon as of 2026-10-21 12:20 UTC (price may vary).

View Current Price — $444.99

Similar: Seagate IronWolf 8TB NAS Internal Hard Drive HDD — $329.99 on Amazon as of 2026-10-21 12:20 UTC (price may vary).

View Current Price — $329.99

Similar: Seagate IronWolf 10TB NAS Internal Hard Drive HDD — $459.00 on Amazon as of 2026-10-21 16:17 UTC (price may vary).

View Current Price — $459.00

Original listing (currently unavailable) → Compare to similar nas & home servers

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-19

Mike Perry — Hardware researcher since 2014. For NAS and home-server hardware, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ No further features available.
✓ Backed by Synology's warranty and support channels

Cons

✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

Engineered for Demanding Workloads in Enterprise EnvironmentsSynology HAS5300 is designed to meet the capacity, efficiency, 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 MTBF HAS5300 meets the highest standards of dependability.Perfect for scalable and high-availability systemsSynology HAS5300 SAS hard drives are specifically developed and tested to provide tight integration with our SA, HD, and UC lines of storage systems. Enabling your…

SpecPicks Verdict

SpecPicks scored Synology HAS5310 Enterprise Series 12TB 3.5" SAS III Internal Hard… using a rating × review-volume × price-fit model applied to published specs and reviews across the nas & home servers category. Synology's nas & home servers lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for nas & home servers of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

UNMATCHED CAPACITY - Store vast amounts of data with the Synology HAS5310 Enterprise Series 12TB 3.5" SAS III Internal Hard Drive, ideal for extensive storage needs.
ROBUST PERFORMANCE - Experience superior data transfer speeds of up to 281 MB/s (Typ.) and a 7,200 rpm rotational speed for efficient operations.
ENHANCED RELIABILITY - Benefit from a Mean Time Between Failure (MTBF) of 2,500,000 hours and a 550 TB/year workload rating for continuous, dependable use.
OPTIMIZED DURABILITY - Designed with a helium-sealed drive, ensuring stable performance and extended lifespan in demanding enterprise environments.
BROAD COMPATIBILITY - Featuring a SAS 12 Gb/s interface, this drive integrates seamlessly into various enterprise storage systems for versatile application.
CERTIFIED QUALITY - Adheres to global standards with certifications including CE, RCM, UL, and RoHS, guaranteeing a high-quality and safe product.

Full Specifications

Brand	Synology
Color	Not Available
Model Name	HAS5310-12T 28886524
Read Speed	281 megabytes_per_second
Unit Count	1 Count
Form Factor	3.5-inch
Media Speed	281 megabytes_per_second
Model Number	HAS5310-12T
Built-In Media	Synology HAS5310 Enterprise Series 12TB 3.5" SAS III Internal Hard Drive
Hard-Drive Size	12 TB
Mfr Part Number	HAS5310-12T
Number of Items	1
Special Feature	Enterprise Durability - For demanding 24/7 environments, rated for 2.5 million hours MTBF and up to 550 TB per year workloads
Installation Type	Internal Hard Drive
Compatible Devices	Computers
Additional Features	Enterprise Durability - For demanding 24/7 environments, rated for 2.5 million hours MTBF and up to 550 TB per year workloads
Hard Disk Interface	Serial Attached SCSI
Warranty Description	1 Year Limited Warranty
Hard Disk Description	12TB 3.5" SAS III Internal Hard Drive
Hard Disk Form Factor	3.5 inches
Full listing title	Synology HAS5310 Enterprise Series 12TB 3.5" SAS III Internal Hard Drive \| SAS III interface with 7200 RPM and 550TB workload for SA systems, HD systems and UC systems

Ready to buy?

Amazon shows no buyable offer for Synology HAS5310 Enterprise Series 12TB 3.5" SAS… at the last check. A similar in-stock product is Seagate IronWolf 10TB NAS Internal Hard Drive. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $444.99