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Rectangular 2.5 inch solid-state drive with black metal casing and SATA connectors

Western Digital

Western Digital SanDisk Ultra 3D 4TB 2.5" SATA 2 in 1 accessory

SKU CH-01CS-SFYG5

A 4 TB 2.5" SATA solid-state drive with 3D NAND delivering sequential reads up to 560 MB/s and writes up to 530 MB/s for faster boot and load times

  • Faster boot and game loads with up to 560 MB/s read speed
  • Quicker file saves and app launches with up to 530 MB/s write speed
  • Longer drive life and lower power draw from 3D NAND technology
  • Sustained high speeds under heavy workloads via NCache 2.0 technology
  • Proven shock and vibration resistance protects data in 2.5 inch form factor

4 TB SATA 2.5" SSD

The SanDisk Ultra 3D is a 4 TB solid-state drive in a 2.5-inch form factor with a 7 mm z-height. It uses 3D NAND flash and a SATA III interface to deliver sequential read speeds up to 560 MB/s and sequential write speeds up to 530 MB/s. The drive targets users who want faster boot times, shorter application loads and quicker file transfers compared to a mechanical hard drive.

Compatibility check

Verify that your system has a free 2.5-inch drive bay or mounting bracket and an available SATA data port on the motherboard. Confirm the bay can accommodate a 7 mm thick drive; some ultra-thin laptops only accept thinner modules. Ensure the operating system supports the SATA AHCI driver stack for full performance.

Build integration

The drive connects via a standard SATA data cable and requires a SATA power connector from the power supply. It has no moving parts, so it runs silently and resists shock and vibration better than a 7200 RPM hard drive. 3D NAND technology provides higher endurance and lower power draw, freeing thermal headroom and battery life in portable systems.

Highlights

  • Faster boot and game loads with up to 560 MB/s read speed
  • Quicker file saves and app launches with up to 530 MB/s write speed
  • Longer drive life and lower power draw from 3D NAND technology
  • Sustained high speeds under heavy workloads via NCache 2.0 technology
  • Proven shock and vibration resistance protects data in 2.5 inch form factor

Specifications

No published specifications for this item yet.

Questions about this item

Does the SanDisk Ultra 3D 4TB 2.5" SATA drive come with a mounting bracket or cloning software, or must they be bought separately?

The drive is supplied as a bare 2.5"/7 mm SATA unit; mounting hardware and cloning software are not included and must be purchased separately if required.

The listing shows speeds of 560 MB/s read and 530 MB/s write for the 4 TB model — how do these differ from the 250 GB version?

The 250 GB capacity is rated at 550 MB/s sequential read and 525 MB/s sequential write, slightly lower than the 4 TB model's 560 MB/s read and 530 MB/s write.

What does the 560 MB/s sequential read figure mean when the drive is installed in a laptop with a SATA III port?

It represents the maximum sequential read throughput under ideal internal test conditions; real-world speeds will vary with the host system, OS, file sizes and workload.

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