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Samsung 840 Pro 128GB 2.5 inch SATA SSD in a black metal enclosure

SAMSUNG

SAMSUNG 840 Pro 128GB 2.5" SATA Internal SSD

SKU CH-CQDZ-GJQDX

A 2.5" internal SSD with 128GB capacity and SATA interface using MLC memory

  • Total capacity128 GB
  • Form factor2.5 in (6.35 cm)
  • Product typeInternal Solid State Drive (SSD)
  • NAND flash typeMLC
  • Product weight3
  • 128 GB capacity stores your OS and key apps
  • 5 inch form factor fits standard laptop and desktop bays
  • SATA interface provides broad compatibility with existing systems
  • MLC memory delivers consistent write endurance
  • 0000 gram weight keeps portable builds light

128 GB SATA SSD for system upgrades

The Samsung 840 Pro is a 2.5 inch internal solid-state drive with a 128 GB capacity. It uses a SATA III interface and MLC memory components. The drive is suited to users replacing a mechanical disk in a laptop or desktop.

MLC memory distinguishes this model

The memory components are MLC rather than the more common TLC found in entry-level drives. MLC stores two bits per cell, which generally provides higher write endurance and consistent performance. That characteristic is the primary factor when deciding whether this part matches the workload.

No accessories or software are bundled

The supplier data lists only the drive itself with no cables, brackets, cloning utilities or management software included. Buyers should plan for any mounting hardware or migration tools separately. The absence of extras keeps the package focused on the storage device alone.

How it compares

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

Price $56.99
Cheaper than about 88% 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 $445.23 per TB
Pricier than about 84% of the 1,362 comparable items (median $165.50 per TB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Total capacity128 GB
Product typeInternal Solid State Drive (SSD)
Storage
NAND flash typeMLC
Size & build
Form factor2.5 in (6.35 cm)

Questions about this item

What does the 128 GB capacity mean once the 840 Pro is installed in a real machine?

The 128 GB 840 Pro provides 128 GB of MLC flash storage that the operating system sees as a single 2.5" SATA volume for the OS, applications and data.

What interface does the 840 Pro use and what does that connection limit?

The 840 Pro connects through a SATA interface, so the drive’s throughput is limited by the SATA link speed of the host controller.

What does the 840 Pro physically need to fit or mount in a system?

The 840 Pro is a 2.5" drive weighing 3.0000 units and requires a standard 2.5" drive bay or bracket with SATA data and power connectors.

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