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A silver 2.5 inch internal SSD with a brushed metal finish

SAMSUNG

SAMSUNG 840 Series MZ-7TD120KW 120GB 2.5" SATA internal SSD

SKU CH-51YB-JDVNG MPN MZ-7TD120KW

A 120GB 2.5" SATA internal SSD with 530MBps read, 130MBps write, and 1,500,000-hour MTBF

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form Factor2.5"
  • Capacity120GB
  • InterfaceSATA III
  • ControllerSamsung MDX Controller
  • Faster boot and load times with 530MBps sequential read
  • Responsive multitasking from up to 85000 IOPS random read
  • Reliable long-term storage backed by 1500000 hours MTBF
  • Low power draw of 0.046W idle extends laptop battery
  • Complete upgrade kit includes bracket, cables and spacer

Samsung 840 Series 120GB SATA SSD

The Samsung 840 Series MZ-7TD120KW is a 2.5 inch internal solid state drive with 120GB capacity and a SATA III interface. It uses a Samsung MDX controller and is intended for consumer desktop and laptop upgrades.

Suits light OS and app installs.

This drive fits users who need a responsive boot drive for an operating system and a modest set of applications. The 120GB capacity leaves little room for large game libraries, video projects or extensive photo collections, so creators and gamers should consider larger capacities.

120GB handles OS plus core apps.

The 120GB capacity comfortably holds a modern operating system, productivity suite and several frequently used programs. Sustained sequential read reaches 530MBps while write peaks at 130MBps, so large file transfers will be slower than reads. Random performance reaches 85000 read IOPS and 32000 write IOPS.

Highlights

  • Faster boot and load times with 530MBps sequential read
  • Responsive multitasking from up to 85000 IOPS random read
  • Reliable long-term storage backed by 1500000 hours MTBF
  • Low power draw of 0.046W idle extends laptop battery
  • Complete upgrade kit includes bracket, cables and spacer

Specifications

BrandSAMSUNG
Series840 Series
ModelMZ-7TD120KW
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form Factor2.5"
Capacity120GB
InterfaceSATA III
ControllerSamsung
MDX
Controller
Sustained Sequential Read530MBps
Sustained Sequential Write130MBps
4KB Random ReadUp to 85,000 IOPS
4KB Random WriteUp to 32,000 IOPS
MTBF1,500,000 hours
FeaturesTrim Support
RAID Support
AES Encryption
Power Consumption (Idle)0.046W
Power Consumption (Active)0.071W
Height7.00mm
Package ContentBracket
Screws
SATA Cable
Power Cable
USB to SATA Cable
Drive Spacer
Shipping weight0.91 kg
Package size150 × 150 × 43 mm

Questions about this item

Do I need a spare 2.5 inch drive bay and a SATA data cable to install this 840 Series SSD?

The drive fits a standard 2.5 inch bay and the box includes a SATA cable, a power cable and a bracket so you can mount it without extra parts.

Will this SATA III drive work at full speed on a motherboard that only has SATA II ports?

The SSD is backward compatible with SATA II ports; it will operate at the slower SATA II transfer ceiling rather than its rated 530MBps read and 130MBps write speeds.

How can I verify the drive is delivering its rated 530MBps sequential read and 85,000 IOPS random read performance after setup?

Run a benchmark tool such as CrystalDiskMark or AS SSD and compare the sequential read result to 530MBps and the 4KB random read result to 85,000 IOPS.

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