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Samsung 750 EVO 120GB 2.5 inch SATA SSD with black metal casing

SAMSUNG

SAMSUNG 750 EVO 120GB 2.5" SATA internal SSD MZ-750120BW

SKU CH-45K2-E6280 MPN MZ-750120BW

A 120 GB SATA III internal SSD with up to 540 MB/s read, 520 MB/s write, and 94K/88K IOPS random performance

  • Total capacity120 GB
  • Sequential read speedUp to 540 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 120GB

  • Fast everyday computing with sequential reads up to 540 MBps
  • Responsive multitasking from random reads up to 94,000 IOPS
  • Smooth write bursts via TurboWrite technology and 256MB DRAM cache
  • RAPID mode option uses spare system memory as extra cache
  • Shock and vibration resistant flash design for mobile reliability

Samsung 750 EVO 120GB SATA SSD

The Samsung 750 EVO is a 120GB internal solid-state drive built for consumer desktops and laptops. It uses a 2.5-inch form factor and connects through a SATA III interface. The drive targets everyday computing tasks such as booting, application loading and light multitasking. Its MGX controller and 256MB DRAM cache deliver consistent responsiveness for general workloads.

Upgrade from mechanical hard drives

Replacing a traditional hard drive with this SSD removes the primary bottleneck in older systems. Sequential reads reach up to 540 MBps and writes up to 520 MBps under TurboWrite. Random read performance hits 94,000 IOPS at queue depth 32, while random writes reach 88,000 IOPS. The jump is worth it when faster boot times, quicker file access and silent operation matter for daily productivity.

Suits mainstream laptops and desktops

This capacity suits users who store the operating system and core applications on the drive while keeping media on secondary storage. It supports AES encryption and Secure Erase for basic data protection. Users needing larger game libraries, heavy video editing scratch space or sustained write workloads should consider higher-capacity models. The 1.5 million hour MTBF and shock resistance fit mobile use.

How it compares

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

Price $100.99
Cheaper than about 72% of the 1,994 comparable items (median $180.49).
Total capacity 120 GB
Lower than about 95% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 540 MB/s
Lower than about 83% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $841.58 per TB
Pricier than about 90% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameSAMSUNG
Product line750 EVO
Model nameMZ-750120BW
Total capacity120 GB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 540 MB/s
Sequential write speedUp to 520 MB/s
Random read (4K)Up to 94,000 IOPS (4 KB, QD32)
Up to 10,000 IOPS (4 KB, QD1)
Random write (4K)Up to 88,000 IOPS (4 KB, QD32)
Up to 35,000 IOPS (4 KB, QD1)
Storage
Controller chipSamsung MGX controller
Cache memory256 MB DRAM
Ports & slots
Interface typeSATA III
Power
Idle power draw50mW
Active power draw2.4 W/2.8 W (Read/Write)
Size & build
Form factor2.5 in (6.35 cm)
Overall height6.8 mm
Overall width69.85 mm
Product depth100 mm
Product weight0.1 lb (0.05 kg)
Shipping weight0.05 kg
Package size145 × 144 × 18 mm
Environment & compliance
Operating temperature range0 °C to 70 °C
Operating humidity range5% to 95% RH
Max shock toleranceNon-Operating: 1500G, duration 0.5m sec, 3 axis
More details
Mean time between failures1,500,000 h

Other versions of this model

1 more in the same range

Questions about this item

Will the 2.5 inch form factor fit my laptop drive bay?

The drive uses a standard 2.5 inch form factor and a SATA interface, matching most laptop and desktop drive bays that accept 2.5 inch SATA drives.

How do I enable the RAPID mode mentioned in the specifications?

Install the Samsung Magician software, then turn on RAPID mode in the application to use system DRAM as a cache for improved performance.

What is the expected lifespan of the 120GB model?

The drive carries an MTBF rating of 1,500,000 hours and has no moving parts, so it resists shock and vibration during normal use.

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