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Silver 3.5 inch SAS hard drive with circuit board visible

Seagate

Seagate ST3500415SS 500GB 7200 RPM 16MB SAS 6Gb/s 3.5" internal hard drive

SKU CH-MQBD-498YR MPN ST3500415SS

500 GB 3.5" enterprise hard drive spins at 7200 RPM with 16 MB cache and a 6 Gb/s SAS interface for hot-swap servers

  • Total capacity500 GB
  • Interface typeSAS 6Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory16 MB
  • 7200 RPM spindle delivers fast sequential access
  • 16 MB cache buffers bursts for smoother throughput
  • SAS 6 Gb/s interface supports dual-port enterprise connectivity
  • 6 W idle power reduces enclosure heat load
  • 5 °C to 60 °C operating range suits demanding environments

Seagate ES 500GB SAS drive

The Seagate ES ST3500415SS is a new 3.5 inch internal hard drive with a 500GB capacity. It spins at 7200 RPM and provides a 16MB cache over a SAS 6Gb/s interface. The bare drive includes secure encryption features.

Suited for SAS storage arrays

This drive fits servers and storage enclosures that accept 3.5 inch SAS drives with hot-swap trays. It operates between 5°C and 60°C and draws 10.4W average operating power. Buyers needing a different capacity or a non-SAS interface should look elsewhere.

SAS 6Gb/s interface decides fit

The drive requires a backplane or controller supporting the SAS 6Gb/s standard. Average seek time is under 8.5ms with 4.16ms average latency. Maximum start current is 1.89 on the DC supply.

How it compares

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

Price $101.99
Typical for this category: the median of 4,938 items is $107.99.
Total capacity 500 GB
Lower than about 80% of the 2,372 comparable items (median 2 TB).
Price per TB $203.98 per TB
Pricier than about 79% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineES
Model nameST3500415SS
Total capacity500 GB
Performance
Rotational speed7,200 RPM
Average seek time<8.5 ms
Mean write time<9.5 ms
Mean latency4.16 ms
Storage
Cache memory16 MB
Ports & slots
Interface typeSAS 6Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.68 kg
Package size178 × 140 × 64 mm

Questions about this item

How does the 7200 RPM speed affect real-world performance in a desktop?

The 7200 RPM spindle speed delivers an average seek time under 8.5 ms and average latency of 4.16 ms for responsive data access in desktop workloads.

What does the SAS 6Gb/s interface limit in actual use?

The SAS 6Gb/s interface caps the maximum external transfer rate at 6 Gb/s, while the drive's internal mechanics and 16 MB cache determine sustained throughput.

Will this 3.5 inch drive fit a standard hot-swap tray?

Yes, the 3.5 inch form factor is designed for standard hot-swap trays used in compatible servers and storage enclosures.

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