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3.5 inch internal hard drive, silver metal casing, standard SATA connectors

Synology Inc.

Synology Inc. HAT3310-16T 16TB 7200 RPM 512MB cache 3.5" SATA internal hard drive

SKU CH-QV9K-1Z2H1 MPN HAT3310-16T

A 16 TB 3.5-inch SATA drive built for continuous NAS operation with a 1.2 million-hour MTBF and 180 TB yearly workload rating

  • Total capacity16 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Cache memory512 MB
  • Max height26.11 mm

Capacity 16TB

  • 16 TB capacity for large NAS storage
  • 7200 RPM spindle speed for responsive data access
  • 512 MB cache to smooth heavy workloads
  • 2 million hours MTBF rating for always-on reliability
  • CMR technology delivers consistent write performance

Capacity and purpose

The Synology HAT3310-16T is a 16TB 3.5-inch internal hard drive designed for NAS systems. It operates at 7200 RPM with a 512MB cache and uses a SATA 6.0Gb/s interface. This drive targets users who need high-capacity, always-on storage for network-attached environments.

Sustained load behaviour

The drive is rated for a 180 TB per year workload and backed by a 1.2 million hour MTBF. Validation includes over 500,000 hours of testing to ensure reliability in continuous operation. Conventional magnetic recording technology provides consistent performance during extended write sequences.

SATA interface limits

The SATA 6.0Gb/s interface sets the maximum data transfer boundary for this drive. Mechanical latency and platter density govern real-world throughput within that ceiling. Firmware updates are managed directly through the host operating system to maintain compatibility.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $478.99
Pricier than about 90% of the 4,938 comparable items (median $107.99).
Total capacity 16 TB
Higher than about 92% of the 2,372 comparable items (median 2 TB).
Price per TB $29.94 per TB
Cheaper than about 83% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSynology
Model nameHAT3310-16T
Total capacity16 TB
Recommended useFor NAS systems
Performance
Rotational speed7,200 RPM
Storage
Cache memory512 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height26.11 mm
Maximum width101.85 mm
Maximum length147 mm
Shipping weight0.66 kg
Package size147 × 102 × 25 mm

Other versions of this model

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Questions about this item

How much heat and power does the 7200 RPM HAT3310-16T produce when running continuously in a NAS?

The 16 TB drive is rated for an 180 TB yearly workload and 1.2 million hours MTBF, reflecting design for always-on operation in multi-bay enclosures.

What host interface and bay size does the 3.5" HAT3310-16T require to operate?

It connects via a SATA 6.0 Gb/s port and fits a standard 3.5-inch drive bay measuring 147 mm long, 101.85 mm wide and 26.11 mm high.

Will the CMR-based HAT3310-16T work reliably alongside older SATA drives in the same RAID array?

Conventional magnetic recording delivers consistent performance without the latency spikes of shingled drives, making it suitable for mixed-drive RAID sets.

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