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Samsung 840 Pro 2.5 inch 256GB SATA internal SSD silver metal casing

SAMSUNG

SAMSUNG 840 Pro 2.5" 256GB SATA internal SSD MZ-7PD256BW

SKU CH-ZFSZ-RV6P1 MPN MZ-7PD256BW

2.5" internal SSD with 256GB MLC storage delivering 540 MB/s read and 520 MB/s write speeds over SATA

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form Factor2.5"
  • Capacity256GB
  • Memory ComponentsMLC
  • InterfaceSATA III

Options 256GB

  • Fast boot in as little as 15 seconds
  • Sustained 540 MB/s sequential read speed
  • Up to 100,000 IOPS random read performance
  • MLC memory with 1,500,000-hour MTBF reliability
  • Low 0.054 W idle power extends battery life by up to 50 minutes

Pro series SSD for consumers

The Samsung 840 Pro MZ-7PD256BW is a 2.5 inch internal solid state drive built for consumer PCs. It uses MLC memory and a Samsung MDX controller to deliver consistent speed across all data types. The SATA III interface fits standard drive bays and motherboard ports.

Fits 2.5 inch bays and SATA ports

The drive measures 7.00mm high and connects through a SATA 600 interface, so it slots into any 2.5 inch bay with a matching data cable. Idle power draw is 0.054W and active draw is 0.069W, which helps extend laptop battery life by up to 50 minutes. No extra power adapter or heatsink is required.

256GB capacity with sustained speeds

Sequential reads reach 540 MB/s and writes reach 520 MB/s, while random 4KB performance hits 100,000 IOPS read and 90,000 IOPS write. The 256GB volume holds the operating system, core applications and active project files. Heavy media libraries or large game collections will need a secondary drive.

Highlights

  • Fast boot in as little as 15 seconds
  • Sustained 540 MB/s sequential read speed
  • Up to 100,000 IOPS random read performance
  • MLC memory with 1,500,000-hour MTBF reliability
  • Low 0.054 W idle power extends battery life by up to 50 minutes

Specifications

BrandSAMSUNG
Series840 Pro Series
ModelMZ-7PD256BW
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form Factor2.5"
Capacity256GB
Memory ComponentsMLC
InterfaceSATA III
ControllerSamsung MDX Controller
Sustained Sequential Read540 MB/s
Sustained Sequential Write520MBps
4KB Random ReadUp to 100,000 IOPS
4KB Random WriteUp to 90,000 IOPS
MTBF1,500,000 hours
FeaturesExperience PC performance you never thought possible
Enables you to boot up your computer in as little as 15 seconds
Energy efficient - improves battery life by up to 50 minutes
Solid-state design provides greater shock protection for data and brushed metal case blocks dust and corrosion
Worry-free data security with AES 256-bit full-disk encryption
100-percent genuine Samsung components from the #1 memory manufacturer in the world
4th-generation 3-Core Samsung MDX Controller ensures sustained performance under the most punishing conditions
Power Consumption (Idle)0.054W
Power Consumption (Active)0.069W
Height7.00mm
Shipping weight0.12 kg
Package size145 × 140 × 20 mm

Other versions of this model

1 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

At what sustained write speed does the drive begin to throttle under continuous load?

The Samsung MDX controller maintains the rated 520 MB/s sequential write speed throughout heavy workloads without throttling.

How much power does the SSD draw and how hot does it get when running all day?

Active power draw is 0.069 W and idle draw is 0.054 W, so heat output remains very low during continuous operation.

Which host interface and form factor must my laptop or desktop already provide for this drive to work?

The system needs a standard 2.5-inch SATA III bay with a 7 mm height clearance.

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