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Silver rectangular 2.5 inch SATA SSD with label showing Intel DC S3520 480GB

Intel

Intel DC S3520 480GB 2.5" SATA enterprise SSD

SKU CH-NW9X-4CZW3

A 2.5-inch SATA enterprise SSD delivering 480GB capacity with 450 MBps sequential read and 380 MBps sequential write speeds

  • Form Factor2.5"
  • Capacity480GB
  • Memory ComponentsMLC
  • InterfaceSATA III
  • Max Sequential ReadUp to 450 MBps
  • Max Sequential WriteUp to 380 MBps

Options 480GB

  • 1.6TB
  • 480GB
  • 240GB
  • 150GB

Struck-through versions exist but are not stocked here.

  • Delivers up to 450 MBps sequential read for fast data access
  • Writes sequentially at up to 380 MBps to handle heavy write workloads
  • Achieves 65,500 IOPS random read for responsive mixed-use performance
  • Maintains 1.0 DWPD endurance for reliable daily operation
  • Consumes 0.5W idle power to reduce server energy costs

Intel DC S3520 480GB SATA enterprise SSD

The Intel DC S3520 is a 480GB 2.5-inch SATA solid-state drive built for server and storage arrays. It uses MLC flash and delivers sequential reads up to 450 MBps and writes up to 380 MBps with 65,500 random read IOPS and 16,000 random write IOPS. The drive is rated at 1.0 DWPD endurance and a 2,000,000-hour MTBF for mixed read-write workloads.

Compatibility checklist for your server

Verify that your system provides a 2.5-inch drive bay with a SATA III connection and can supply 3.2 W active power and 0.5 W idle power. The 7 mm z-height fits standard bays but confirm clearance if using a slim chassis or hot-swap tray. Operating temperature range is 0 °C to 70 °C, so ensure adequate airflow in the enclosure.

Efficiency gains over the previous series

Compared with the DC S3510 series this model reduces idle power by 15 percent and active write power by 30 percent while raising performance per watt by 35 percent. Read latency is 42 µs and write latency is 40 µs. The drive withstands 1000 G shock and 2.17 GRMS operating vibration for reliable operation in dense racks.

Highlights

  • Delivers up to 450 MBps sequential read for fast data access
  • Writes sequentially at up to 380 MBps to handle heavy write workloads
  • Achieves 65,500 IOPS random read for responsive mixed-use performance
  • Maintains 1.0 DWPD endurance for reliable daily operation
  • Consumes 0.5W idle power to reduce server energy costs

Specifications

BrandIntel
SeriesDC S3520
ModelSSDSC2BB480G701
Form Factor2.5"
Capacity480GB
Memory ComponentsMLC
InterfaceSATA III
Max Sequential ReadUp to 450 MBps
Max Sequential WriteUp to 380 MBps
4KB Random ReadUp to 65,500 IOPS
4KB Random WriteUp to 16,000 IOPS
Read Latency42µs
Write Latency40µs
MTBF2,000,000 hours
FeaturesExcellent efficiency across power states (compared to DC S3510 Series)
- 15% lower idle power
- 30% lower active write power
- +35% performance/watt (compared to DC S3510 Series)
Increased endurance at 1.0 DWPD, suitable for a broad range of applications
Low latency
Form factors - 2.5" and M.2 (80mm) with increased capacities
Power Consumption (Idle)0.5W
Power Consumption (Active)3.2W
Operating Temperature0°C ~ +70°C
Max Shock Resistance1000G/0.5ms
Max Vibration ResistanceOperating: 2.17 GRMS (5-700 Hz)
Non-Operating: 3.13 GRMS (5-800 Hz)
Height7.00mm
Weight2.19 oz.

Questions about this item

Does the Intel DC S3520 480GB SSD include mounting brackets or cables in the single pack?

The generic single pack contains only the 2.5 inch 7mm drive; SATA data and power cables plus any mounting hardware must be sourced separately.

How does the 1.0 DWPD endurance rating guide capacity choice for this 480GB model?

At 1.0 drive writes per day the 480GB unit can sustain 480GB of host writes daily for the warranty period, matching mixed read-write server workloads.

What does the 450 MBps sequential read figure mean when the drive is installed in a SATA III server backplane?

The 450 MBps ceiling is the SATA III interface limit; real-world throughput will sit at or below that value depending on queue depth and controller overhead.

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