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Rectangular 2.5 inch internal SSD with black metal casing and silver label showing 840 Pro Series 256GB

SAMSUNG

SAMSUNG MZ-7TD256D 840 Pro Series 2.5" 256GB SATA internal SSD

SKU CH-0M23-MYVS5 MPN MZ-7TD256D

Refurbished 2.5" SATA internal SSD with 256GB MLC storage for consumer systems

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form Factor2.5"
  • Capacity256GB
  • Memory ComponentsMLC
  • InterfaceSATA III
  • MLC memory boosts endurance for heavy write workloads
  • SATA III interface delivers up to 6 Gbps transfer speeds
  • 256 GB capacity stores OS, apps and large files
  • 5 inch 7.00 mm form factor fits standard laptop and desktop bays
  • 840 Pro series launched in 2018 offers proven reliability

Samsung 840 Pro 256GB SATA SSD

This refurbished 2.5-inch internal drive delivers 256GB of MLC flash storage over a SATA III link. It is built for consumer desktops and laptops that accept a 7.00mm SATA device. The 840 Pro series targets everyday computing workloads.

Suits SATA-only upgrades; not for PCIe slots

Buyers with motherboards that provide only SATA ports will find this drive a direct fit. Systems that require a PCIe or M.2 keyed interface cannot use this 2.5-inch form factor. Shoppers needing more than 256GB of capacity should consider larger drives.

256GB MLC capacity decides fit

The 256GB MLC capacity determines whether the drive holds the intended operating system, applications and data set. Users with larger media libraries or multiple virtual machines will need a higher-capacity model. The SATA III interface and 7.00mm height are fixed by the design.

Points forts

  • MLC memory boosts endurance for heavy write workloads
  • SATA III interface delivers up to 6 Gbps transfer speeds
  • 256 GB capacity stores OS, apps and large files
  • 5 inch 7.00 mm form factor fits standard laptop and desktop bays
  • 840 Pro series launched in 2018 offers proven reliability

Caractéristiques

BrandSAMSUNG
Series840 Pro Series
Part NumberMZ-7TD256D
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form Factor2.5"
Capacity256GB
Memory ComponentsMLC
InterfaceSATA III
Height7.00mm
Poids d’expédition0.05 kg
Dimensions du colis99 × 74 × 8 mm

Questions sur cet article

How is the 2.5" SATA III drive installed in a laptop or desktop?

Connect the 7.00mm high drive to a SATA III port using a standard data cable and power connector, then secure it with the four mounting screws; the step often missed is forgetting to enable AHCI mode in the BIOS before cloning the OS.

What maintenance or replacement will the MLC NAND require over time?

The MLC memory cells have a finite write endurance; once the reserved spare blocks are exhausted the drive will switch to read-only mode, so plan to replace the 256GB unit when SMART attributes report critical wear.

What limit appears first during sustained heavy writes on this 840 Pro Series SSD?

The SATA III interface caps sequential throughput at roughly 6 Gbit/s, so the controller hits that bus ceiling before the MLC flash reaches its own speed ceiling during long transfers.

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