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Rectangular 2.5 inch black metal SSD with label showing model and capacity

SAMSUNG

SAMSUNG 850 EVO 120GB 2.5" SATA Internal SSD MZ-75E120B/AM

SKU CH-NFMJ-7A6FH MPN MZ-75E120B/AM

A 2.5" SATA internal SSD with 120GB capacity, 32 layer 3D V-NAND, up to 540 MBps read and 520 MBps write speeds

  • 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)
  • Faster boot and app loading with up to 540 MBps sequential read
  • Snappy multitasking from up to 94,000 IOPS random read
  • Low heat and silent operation at 50 mW idle power
  • Long-term data protection backed by 2,000,000 hours MTBF
  • Fits most laptops and desktops with standard 2.5" SATA form factor

120GB SATA III 3D V-NAND SSD

The Samsung 850 EVO is a 2.5-inch internal solid state drive with 120GB capacity. It uses 32 layer 3D V-NAND memory and a Samsung MGX controller with 256MB DDR3 cache. The drive connects via SATA III interface for broad compatibility with laptops and desktops.

Suits SATA upgrades not high-capacity needs

This drive suits users upgrading older SATA-based laptops or desktops where 120GB covers the operating system and core applications. Sequential reads reach 540 MBps and writes 520 MBps with random performance up to 94,000 read and 88,000 write IOPS. Users needing larger storage volumes should consider higher-capacity models.

Software toolkit enables monitoring and migration

Samsung Magician software provides drive health monitoring, firmware updates and performance benchmarking. Data migration software simplifies cloning the existing drive to the new SSD. These tools help maintain the rated 2,000,000 hour MTBF and manage power consumption from 50 mW idle to 2.4W peak.

How it compares

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

Price $64.99
Cheaper than about 85% 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 $541.58 per TB
Pricier than about 88% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameSAMSUNG
Product line850 EVO
Model nameMZ-75E120B/AM
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
Random write (4K)Up to 88,000 IOPS
Storage
NAND flash type32 layer 3D V-NAND
Controller chipSamsung MGX Controller
Cache memorySamsung 256 MB Low Power DDR3 SDRAM
Ports & slots
Interface typeSATA III
Power
Idle power draw50 mW
Active power drawAverage: 2.1 W
Maximum: 2.4 W (Burst mode)
Size & build
Form factor2.5 in (6.35 cm)
Overall height7 mm
Overall width69.85 mm
Product depth100 mm
Product weight40.82g
Shipping weight0.11 kg
Package size164 × 147 × 19 mm
Environment & compliance
Operating temperature range0 °C to 70 °C
More details
Mean time between failures2,000,000 h

Questions about this item

Does my laptop or desktop need a 2.5" SATA drive bay to install this SSD?

Yes, the drive uses the standard 2.5" form factor and a SATA III interface, so a compatible 2.5" bay and SATA data plus power cables are required.

Will this SATA III SSD work if I keep an older SATA II controller in my system?

The SATA III interface is backward compatible with SATA II ports, so it will function normally though sequential speeds will be limited to the older controller's maximum.

How can I verify the 540 MBps read and 520 MBps write performance after setup?

Run a benchmark tool such as CrystalDiskMark using a 1GB test file; the sequential results should approach the rated 540 MBps read and 520 MBps write figures.

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