Samsung 950 PRO 512GB M.2 vs 950 PRO 256GB M.2 SSD Comparison

Samsung 950 PRO 512GB M.2 and Samsung 950 PRO 256GB M.2 are both solid state drives with the same Interface (PCIe Gen3 x4), Form Factor (M.2-2280) and SSD Controller (Samsung UBX). The main differences are in Performance (+16%), Capacity, Max Sequential Read and Max Sequential Write.

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Samsung 950 PRO 512GB M.2	Samsung 950 PRO 256GB M.2
Prices (Change region) In Stock Free shipping $499.99	Prices (Change region) In Stock Free shipping $199.99
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Pangoly Score (How do we rate?) 95	Pangoly Score (How do we rate?) 95
Brand Samsung	Brand Samsung
Model MZ-V5P512BW	Model MZ-V5P256BW
Release Date 📅 October 2015	Release Date 📅 October 2015
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★★ (104 reviews) Add a product review	User reviews ★★★★★ (103 reviews) Add a product review
Performance (Charts) 109th / 1746 (0%)	Performance (Charts) 132nd / 1746 (-16%)
Effective Value 215th / 336	Effective Value 175th / 336
Price history View Details ►	Price history View Details ►
Price/GB $0.98	Price/GB $0.78
GB/$1 1.02	GB/$1 1.28
Series 950 PRO	Series 950 PRO
Capacity 512 GB	Capacity 256 GB
Interface PCIe Gen3 x4	Interface PCIe Gen3 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
SSD Controller Samsung UBX	SSD Controller Samsung UBX
NAND Flash Type Samsung V-NAND	NAND Flash Type Samsung V-NAND
Cache 512MB	Cache 512MB
Max Sequential Read Up to 2500 MB/s	Max Sequential Read Up to 2200 MB/s
Max Sequential Write Up to 1500 MB/s	Max Sequential Write Up to 900 MB/s
MTBF 1,500,000 hours	MTBF 1,500,000 hours