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Western Digital WDS250G2B0A vs Samsung 850 PRO 2TB vs PNY CS2030 240GB M.2 M280CS2030-240-RB vs Samsung 840 EVO 1TB 2.5"

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* Product prices and availability are subject to change frequently. Any price and availability information displayed on Amazon at the time of purchase will apply.
Brand
Western Digital
Brand
Samsung
Brand
PNY
Brand
Samsung
Model
WDS250G2B0A
Model
MZ-7KE2T0BW
Model
M280CS2030-240-RB
Model
MZ-7TE1T0BW
Release Date
📅 July 2017
Release Date
📅 August 2015
Release Date
📅 January 2019
Release Date
📅 November 2020
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★★
(290 reviews)
User reviews
★★★★★
(107 reviews)
User reviews
★★★★☆
(8 reviews)
User reviews
★★★★★
(193 reviews)
Performance (Charts)
255th / 1316
Performance (Charts)
175th / 1316
Performance (Charts)
n/a
Performance (Charts)
182nd / 1316
Effective Value
153rd / 303
Effective Value
265th / 303
Effective Value
-
Effective Value
284th / 303
Price history
View Details ►
Price history
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Price history
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Price history
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Price/GB
$0.19
Price/GB
$0.16
Price/GB
$0.32
Price/GB
$0.40
GB/$1
5.32
GB/$1
6.25
GB/$1
3.16
GB/$1
2.5
Series
Blue
Series
850 PRO
Series
CS2030
Series
840 EVO
Capacity
250 GB
Capacity
2000 GB
Capacity
240 GB
Capacity
1000 GB
Interface
SATA 6 Gb/s
Interface
SATA 6 Gb/s
Interface
PCIe Gen3 x4
Interface
SATA 6 Gb/s
NVME
No
NVME
No
NVME
Yes
NVME
No
Form Factor
2.5"
Form Factor
2.5"
Form Factor
M.2-2280
Form Factor
2.5"
SSD Controller
-
SSD Controller
Samsung MHX
SSD Controller
-
SSD Controller
Samsung MEX
NAND Flash Type
3D NAND
NAND Flash Type
3D NAND
NAND Flash Type
MLC
NAND Flash Type
MLC
Max Sequential Read
Up to 550 MB/s
Max Sequential Read
Up to 550 MB/s
Max Sequential Read
Up to 2500 MB/s
Max Sequential Read
-
Max Sequential Write
Up to 525 MB/s
Max Sequential Write
Up to 520 MB/s
Max Sequential Write
Up to 850 MB/s
Max Sequential Write
-
MTBF
Up to 1.75M hours
MTBF
2,000,000 hours
MTBF
2,000,000 hours
MTBF
1,500,000 hours
-

What are the differences between Western Digital WDS250G2B0A and Samsung 850 PRO 2TB and PNY CS2030 240GB M.2 M280CS2030-240-RB and Samsung 840 EVO 1TB 2.5"? Analyze head-to-head all specifications and features to find out the better ssd.
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