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Rectangular 2.5 inch silver metal drive with label showing SanDisk Ultra 3D 1TB SATA

SanDisk

SanDisk Ultra 3D SDSSDH3-1T00-G26 2.5" 1TB SATA internal SSD

SKU CH-03K2-4CZ27 MPN SDSSDH3-1T00-G26

A 2.5" 1TB SATA solid-state drive using 3D NAND with sequential reads up to 555 MB/s and writes up to 520 MB/s

  • Total capacity1 TB
  • Sequential read speedUp to 555 MB/s
  • Sequential write speedUp to 520 MB/s
  • Interface typeSATA III
  • Form factor2.5 in (6.35 cm)
  • Product typeInternal Solid State Drive (SSD)

Capacity 1TB

  • Faster boot and app loads with sequential read up to 555 MBps
  • Quicker file saves and transfers with sequential write up to 520 MBps
  • 3D NAND technology gives higher endurance and lower power draw
  • nCache 2.0 buffer accelerates burst write performance
  • Shock-resistant solid-state design protects data if the laptop is dropped

Capacity and speed

The 1 TB drive delivers up to 555 MB/s sequential read and 520 MB/s sequential write over a SATA connection. That throughput is enough to accelerate operating-system boot, application launch and large-file transfers for everyday desktop or laptop workloads. Heavy sustained writes such as video rendering will eventually hit the SATA interface ceiling.

3D NAND and nCache 2.0

The drive uses 3D NAND flash paired with nCache 2.0 technology, which writes incoming data to a high-speed buffer before committing it to the main array. This architecture improves endurance and keeps performance consistent during mixed read/write activity. Lower power draw compared with mechanical drives also benefits laptop battery life.

2.5″ SATA integration

The standard 2.5″ form factor fits any drive bay or caddy that accepts a SATA III device, requiring only a data cable and a SATA power connector. No additional drivers are needed for modern operating systems. The solid-state design resists shock and vibration, protecting data if the system is moved or dropped.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $219.99
Pricier than about 58% of the 1,994 comparable items (median $180.49).
Total capacity 1 TB
Typical for this category: the median of 1,368 items is 1 TB.
Sequential read speed Up to 555 MB/s
Lower than about 65% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $219.99 per TB
Pricier than about 64% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameSanDisk
Product lineUltra 3D
Model nameSDSSDH3-1T00-G26
Part numberSDSSDH3-1T00-G26
Total capacity1 TB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 555 MB/s
Sequential write speedUp to 520 MB/s
Storage
NAND flash type3D NAND
Connectivity
Connection protocolSATA
Ports & slots
Interface typeSATA III
Size & build
Form factor2.5 in (6.35 cm)
Shipping weight0.05 kg
Package size140 × 102 × 23 mm

Other versions of this model

2 more in the same range

Questions about this item

Will the SanDisk Ultra 3D SDSSDH3-1T00-G26 fit a laptop bay that uses the 2.5" form factor?

Yes, the drive uses the 2.5" form factor and connects via SATA III, so it fits standard 2.5" SATA drive bays found in many older laptops and desktops.

How can I verify the SanDisk Ultra 3D SDSSDH3-1T00-G26 is performing at its rated 555 MBps read and 520 MBps write speeds?

Run a benchmark tool such as CrystalDiskMark on a SATA III port; sequential results should approach 555 MBps read and 520 MBps write for the 1 TB model.

What is included with the SanDisk Ultra 3D SDSSDH3-1T00-G26 and what must I supply myself?

The drive itself is included; a SATA data cable, mounting screws and any cloning software must be sourced separately.

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