Compare Solid State Drives

Compare Samsung 840 PRO 512GB vs 840 PRO 256GB

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  2. Solid State Drives
  3. Samsung 840 PRO 512GB 🆚 Samsung 840 PRO 256GB
Samsung 840 PRO 512GB and Samsung 840 PRO 256GB are both solid state drives with the same Interface (SATA 6 Gb/s), Form Factor (2.5") and SSD Controller (Samsung MDX). The main differences are in Performance (+2%) and Capacity.
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Samsung 840 PRO 512GB 2.5" SATA3 MZ-7PD512BW
Samsung 840 PRO 512GB
Samsung 840 PRO 256GB 2.5" SATA3 MZ-7PD256BW
Samsung 840 PRO 256GB
Prices
(Change region)
Out of Stock
Free shipping
$299.99
-
Buy now
Prices
(Change region)
In Stock
Free shipping
$179.99
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Pangoly Score (How do we rate?)
92
Pangoly Score (How do we rate?)
92
Brand
Samsung
Brand
Samsung
Model
MZ-7PD512BW
Model
MZ-7PD256BW
Release Date
📅 October 2012
Release Date
📅 October 2012
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★★
(235 reviews)
User reviews
★★★★★
(235 reviews)
Performance (Charts)
232nd / 1746
(0%)
Performance (Charts)
235th / 1746
(-2%)
Effective Value
300th / 336
Effective Value
268th / 336
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.59
Price/GB
$0.70
GB/$1
1.71
GB/$1
1.42
Pros
  • Great performance
  • Samsung MDX controller
  • 5-years warranty
Pros
  • Great performance
  • Samsung MDX controller
  • 5-years warranty
Series
840 Pro Series
Series
840 Pro Series
Capacity
512 GB
Capacity
256 GB
Interface
SATA 6 Gb/s
Interface
SATA 6 Gb/s
NVME
No
NVME
No
Form Factor
2.5"
Form Factor
2.5"
SSD Controller
Samsung MDX
SSD Controller
Samsung MDX
NAND Flash Type
MLC
NAND Flash Type
MLC
MTBF
1,500,000 hours
MTBF
1,500,000 hours

Comparison and key differences summary

Reasons to buy the Samsung 840 PRO 512GB:

  • Slightly better performance, around +2%
  • More Capacity (+256 GB available)

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Reasons to buy the Samsung 840 PRO 256GB:

  • 40% cheaper, you can save $120.00
  • Moderately better effective value.

Buy now

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