Samsung 950 PRO 256GB M.2 vs 850 EVO 120GB M.2 SSD Comparison

Samsung 950 PRO 256GB M.2 and Samsung 850 EVO 120GB M.2 are both solid state drives with the same Form Factor (M.2-2280). The main differences are in Capacity, Interface, NVME and SSD Controller.

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Samsung 950 PRO 256GB M.2	Samsung 850 EVO 120GB M.2
Prices (Change region) In Stock Free shipping $199.99	Prices (Change region) In Stock Free shipping $79.99
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Pangoly Score (How do we rate?) 95	Pangoly Score (How do we rate?) -
Brand Samsung	Brand Samsung
Model MZ-V5P256BW	Model MZ-N5E120BW
Release Date 📅 October 2015	Release Date 📅 July 2020
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★★ (103 reviews) Add a product review	User reviews ★★★★☆ (251 reviews) Add a product review
Performance (Charts) 132nd / 1746	Performance (Charts) n/a
Effective Value 175th / 336	Effective Value -
Price history View Details ►	Price history View Details ►
Price/GB $0.78	Price/GB $0.67
GB/$1 1.28	GB/$1 1.5
Series 950 PRO	Series 850 EVO
Capacity 256 GB	Capacity 120 GB
Interface PCIe Gen3 x4	Interface SATA 6 Gb/s
NVME Yes	NVME No
Form Factor M.2-2280	Form Factor M.2-2280
SSD Controller Samsung UBX	SSD Controller Samsung MGX
NAND Flash Type Samsung V-NAND	NAND Flash Type 3D NAND
Cache 512MB	Cache -
Max Sequential Read Up to 2200 MB/s	Max Sequential Read Up to 540 MB/s
Max Sequential Write Up to 900 MB/s	Max Sequential Write Up to 500 MB/s
MTBF 1,500,000 hours	MTBF -