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Rectangular 2.5-inch SSD with black label, gold edge connector, 7mm thick

Toshiba

Toshiba THNSNH128GCST 128GB SATA internal SSD

SKU CH-663A-T6JYC

A 128 GB SATA internal SSD with MLC NAND, 7 mm height and low power draw for consumer laptops and desktops

  • Total capacity128 GB
  • Interface typeSATA III
  • Product typeInternal Solid State Drive (SSD)
  • Intended useConsumer
  • NAND flash typeMLC
  • Product depth100 mm
  • 128 GB capacity stores operating system and core applications
  • 19 nm MLC NAND flash delivers reliable endurance for everyday workloads
  • SATA III interface enables fast access and transfer rates
  • Strong error correction code (QSBC) protects data from unexpected power loss
  • 7 mm height and 48 g weight fit standard 2.5-inch drive bays

128 GB SATA SSD for consumer systems

The Toshiba THNSNH128GCST is a 128 GB internal solid-state drive built for everyday consumer workloads. It uses a SATA III interface and 19 nm MLC NAND flash memory. The 2.5-inch form factor fits standard drive bays in laptops and desktops.

Low power draw and quiet operation

With no moving parts the drive runs silently and draws very little power in normal use. Toshiba specifies excellent power consumption for the series. The 7.00 mm height keeps it compatible with slim chassis designs.

MLC NAND determines endurance and speed

Multi-level cell flash provides a balance of write endurance and transfer rates suited to typical consumer workloads. Strong ECC and unexpected power-loss protection help preserve data integrity. The 48 g weight reflects the compact 2.5-inch design.

How it compares

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

Price $107.99
Cheaper than about 70% of the 1,994 comparable items (median $180.49).
Total capacity 128 GB
Lower than about 95% of the 1,368 comparable items (median 1 TB).
Price per TB $843.67 per TB
Pricier than about 90% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameToshiba
Model nameTHNSNH128GCST
Total capacity128 GB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Storage
NAND flash typeMLC
Ports & slots
Interface typeSATA III
Size & build
Overall height7 mm
Overall width69.85 mm
Product depth100 mm
Product weight48 g

Questions about this item

How do I install the 2.5-inch SATA drive and what step do people often miss?

Fit the drive into a 2.5-inch bay, connect the SATA data and power cables, then initialise and format the 128GB volume in the operating system before use.

What maintenance or replacement will the MLC NAND need over time?

The 19 nm MLC flash has a finite write endurance; once its program-erase cycles are exhausted the drive must be replaced, so keep backups current.

What limit appears first during sustained heavy writes?

The SATA III interface caps sequential throughput, so transfer rates plateau at the bus maximum before the controller or NAND become the bottleneck.

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